Quick answer: On list prices read on 10 November 2026, 20,000 outbound US call minutes, 30,000 texts, 3,000 replies and 10 local numbers cost US$711.40 a month on Twilio and US$635.10 on Plivo. But Plivo sells SMS only on its Enterprise plan, from US$1,000 a month, so wherever the same month would cost under US$1,000 on Twilio, Twilio is the cheaper way to buy both.
Twilio and Plivo are both CPaaS (communications platform as a service) vendors: they sell programmable voice, SMS and phone numbers by API, and both now sell a layer for AI voice agents (Twilio ConversationRelay; Plivo Audio Streaming and Voice AI Agents). For a US build, the comparison comes down to six things: the per-minute and per-message rates, number rental, the A2P 10DLC registration fees set by The Campaign Registry (TCR), the AT&T, T-Mobile and Verizon carrier fees, the SLA and support terms, and one plan rule on Plivo’s side that decides more bills than any rate does. Every figure below comes from each vendor’s own pricing page, documentation or help centre, read on 10 November 2026, in US dollars, pay-as-you-go, before any volume discount.
Where Zian fits: an AI agents platform, not a CPaaS
If what you need is an agent that answers calls and follows up, rather than a carrier to build one on, Zian is the AI-agent pick. Its AI Receptionist answers inbound calls 24/7, qualifying callers, booking appointments, transferring calls and taking messages, and its outbound agents follow up by voice, SMS, email, WhatsApp, Instagram DMs and Facebook Messenger.
Twilio and Plivo sell the phone network and the APIs for building on it. Zian AI is a standalone AI sales and reception agents platform, not a CPaaS and not an add-on to one, so this page does not price it against the two carriers. It handles answering machines and voicemail on calls, works in 30+ languages with voice cloning, integrates with HubSpot, Salesforce, HighLevel and Zapier, and uses SmartReach AI™ to pace follow-up by channel and timing. Across its campaigns Zian reports 64,521+ qualified sales appointments set. Zian is in a partnership-application beta with no published prices; each of its three listed plans, including Intel + Widgets (Free Forever), starts with a partnership application. If you would rather hand the whole job over, LeadsNow.ai (leadsnow.ai) is the done-for-you option: it runs on Zian, is paid per result and answers leads in under 60 seconds, 24/7.
Twilio vs Plivo: what each charges in the US
These are the US list prices a voice-and-SMS build touches, read on 10 November 2026 from Twilio’s US voice pricing page and US SMS pricing page (both marked “Pricing current as of October 2026”) and from Plivo’s US voice, US SMS and US phone number pricing pages.
| Line item (US) | Twilio | Plivo |
|---|---|---|
| Outbound call to a US local number | $0.0140/min (US and Canada; Alaska $0.0945) | $0.0115/min (Hawaii $0.0125; Alaska $0.0850) |
| Inbound call to a local number | $0.0085/min | $0.0055/min |
| Outbound call to a toll-free number | $0.0140/min | $0.0060/min |
| Inbound call to a toll-free number | $0.0220/min | $0.0180/min |
| Local number rental | $1.15/month | $0.50/month |
| Toll-free number rental | $2.15/month | $1.00/month |
| SMS segment, long code, outbound and inbound | $0.0083 | $0.0077 |
| SMS segment, toll-free, outbound and inbound | $0.0083 | $0.0079 |
| MMS, long code, outbound / inbound | $0.022 / $0.0165 | $0.0180 / $0.0180 |
| SMS carrier fee, long code, sent to AT&T / T-Mobile / Verizon | $0.0035 / $0.0045 / $0.005 | $0.0035 / $0.0045 / $0.0050 |
| SMS carrier fee, long code, sent to other networks | US Cellular $0.005; all other carriers $0.0042 | US Cellular and other networks $0.0050 |
| WebSocket audio streaming to your agent | Media Streams $0.0044/min | Included in the call rate (with noise cancellation) |
| Answering machine detection | $0.0075 per call | $0.0000/min |
| Call recording | $0.0025/min; storage $0.0005/min per month | $0.0000/min; storage free for 90 days, then $0.0004/min per month |
| Voice billing increment (API path) | Partial minutes rounded up to the next full minute | 60/60: a 10-second call bills as 1 minute |
| Free trial | $15 to buy a number and test Voice | $10 in free credits |
On the programmable path both round every call up to the next full minute (Twilio’s billing-duration article; Plivo’s billing concepts page), so the same calls produce the same billed minutes on either bill and the rate is the whole difference. Plivo’s list rate is lower on every call, SMS-segment and number-rental line in the table. Two lines run the other way: Twilio charges less to receive an MMS on a long code ($0.0165 against $0.0180), and Twilio’s carrier fee for texts to networks outside the big three and US Cellular (its “all other carriers” row) is $0.0042 against Plivo’s $0.0050. The three big carriers’ fees are identical on both pages, because they are the carriers’ fees, not the vendors’.
Every voice figure on this page is for the programmable (API) path. If your agent connects over SIP trunking instead, both vendors price that route separately and lower. Twilio Elastic SIP Trunking lists $0.0100/min to most lower-48 numbers (high-cost prefixes $0.0620) and $0.0034/min to receive on a local number, with partial minutes rounded up (Twilio’s US SIP trunking pricing). Plivo lists $0.0046/min out and $0.0028/min in on its US SIP trunking pricing page, which gives 6-second billing for the US, while its billing concepts page says per-second. If SIP is your route, re-run the bill below with those rates.
One sentence to carry away: on US list prices Plivo is about 18% cheaper per outbound minute than Twilio ($0.0115 against $0.0140) and about 7% cheaper per SMS segment ($0.0077 against $0.0083), and the AT&T, T-Mobile and Verizon carrier fees are the same on both.
Plivo puts SMS on its Enterprise plan, which starts at $1,000 a month
This is the rule that decides most Twilio vs Plivo bills, and it is easy to miss because Plivo’s SMS pricing page calls itself pay-as-you-go. Plivo’s plans and pricing documentation lists two plans in the US data region. Professional is pay-as-you-go, covers the United States, has a $2,500 monthly usage limit and up to 2 outbound calls per second by default, and includes voice, SIP trunking and voice AI agents. SMS and MMS, WhatsApp, Verify, short codes and custom sender IDs, BAA and HIPAA compliance, and SSO are marked as Enterprise only. Enterprise is “Custom, volume-based pricing — from $1,000/month”. The FAQ on Plivo’s pricing page says the same thing in plain words: “SMS (including 10DLC), WhatsApp, and Verify API are available on the Enterprise plan”.
Plivo’s phone numbers documentation calls the Enterprise threshold “a $1,000/month minimum commit”. We read that as a spend floor that your usage counts towards. If Plivo bills it on top of usage instead, every crossover below moves higher, so confirm it in writing. Plivo also says volume discounts are “only available on the Enterprise plan”.
Twilio has no equivalent gate. Its voice and SMS pages are both pay-as-you-go with no commitment, its voice page says “When your application reaches volume scale, you’ll automatically get volume pricing” (as at 12 November 2026 it publishes no minute threshold for voice; the only tier table in that section is for call-recording storage), and committed-use discounts are available through sales. Twilio’s voice pricing FAQ addresses the comparison directly: “You can find vendors who charge less upfront, but when you build with Twilio, you get a premium offering that works reliably and delivers lasting ROI over time.”
A worked monthly bill: 20,000 minutes, 30,000 texts and 10 numbers
This is the citable part of the page. Every input is a published list price you can replace with your own. The workload is a small US sales or reminders operation running an AI agent that calls and texts:
- 20,000 billed outbound minutes to US lower-48 local numbers on the programmable (API) path;
- 30,000 outbound single-segment SMS on 10DLC local numbers, plus 3,000 single-segment replies;
- 10 US local numbers;
- one Standard 10DLC brand with vetting and one standard campaign;
- an even carrier split: 10,000 texts each to AT&T, T-Mobile and Verizon subscribers, and 1,000 replies from each.
| Line | Twilio | Plivo (list rates) |
|---|---|---|
| Outbound calls, 20,000 min | 20,000 × $0.0140 = $280.00 | 20,000 × $0.0115 = $230.00 |
| Outbound SMS, 30,000 segments | 30,000 × $0.0083 = $249.00 | 30,000 × $0.0077 = $231.00 |
| Inbound SMS, 3,000 segments | 3,000 × $0.0083 = $24.90 | 3,000 × $0.0077 = $23.10 |
| Carrier fees on outbound SMS | 10,000 × ($0.0035 + $0.0045 + $0.005) = $130.00 | 10,000 × ($0.0035 + $0.0045 + $0.0050) = $130.00 |
| Carrier fees on inbound SMS | 1,000 × $0.0035 (AT&T) + 1,000 × $0.0025 (T-Mobile) = $6.00 | 1,000 × $0.0035 + 1,000 × $0.0025 = $6.00 |
| 10 local numbers | 10 × $1.15 = $11.50 | 10 × $0.50 = $5.00 |
| 10DLC standard campaign | $10.00 | $10.00 |
| Monthly total at list rates | $711.40 | $635.10 |
| One-time, month one: brand with vetting + campaign vetting | $46.00 + $15.00 = $61.00 (month one $772.40) | $4.50 + $41.50 + $15.00 = $61.00 (month one $696.10) |
| If every call is streamed to your AI agent | + 20,000 × $0.0044 = $88.00 (total $799.40) | + $0.00, streaming included (total $635.10) |
| What you would actually be billed | $711.40, or $799.40 streamed | At least $1,000: SMS needs Enterprise |
The difference at list rates is $76.30 a month, and $164.30 once calls are streamed. Outbound calls account for $50.00 of the unstreamed gap, SMS segments for $19.80 and numbers for $6.50. The 10DLC and big-carrier lines are identical, so they never decide the comparison. But Plivo’s Enterprise floor is higher than either Twilio total, so for this workload Twilio is the lower bill by $200.60 a month, or by $288.60 if your traffic is not streamed. Neither total includes speech recognition, a language model or text-to-speech; those cost the same whichever carrier carries the call.
The carrier mix matters only at the edges. If a large share of your texts go to networks outside the big three and US Cellular, Twilio’s $0.0042 fee against Plivo’s $0.0050 turns Plivo’s $0.0006 lead into a $0.0002 deficit on those messages ($0.0125 a segment with the fee on Twilio, $0.0127 on Plivo). For a deeper look at the segment, reply and carrier-fee arithmetic on Twilio alone, see our breakdown of A2P 10DLC costs for two-way AI SMS agents.
The $1,000 test: a decision rule for Twilio vs Plivo
Here is the rule in one line. Price your month at Twilio’s list rates. If you need SMS and that Twilio total is under $1,000, Twilio is the lower bill; if it is over $1,000, Plivo’s list rates are lower, so get Plivo’s Enterprise quote. It works because Plivo’s rate is lower or equal on every line of a typical voice-and-SMS month, while Plivo’s Enterprise floor is fixed at $1,000. So Plivo can only come out ahead once Twilio’s own bill has passed $1,000. Voice-only builds skip the test, because Plivo’s pay-as-you-go plan carries no floor.
| Your situation | Lower bill at list prices | Why |
|---|---|---|
| Voice only, under $2,500 a month of usage | Plivo (Professional, pay-as-you-go) | Lower on every voice line; streaming included. Our 20,000 minutes and 10 numbers: $235.00 against $291.50, or $379.50 on Twilio with Media Streams |
| Voice and SMS, Twilio total under $1,000 | Twilio | Plivo’s SMS needs Enterprise, which starts at $1,000 a month |
| Voice and SMS, Twilio total over $1,000 | Plivo, subject to its Enterprise quote | Plivo’s list rates are lower or equal on every line of our scenario; Enterprise pricing is custom |
| Voice above $2,500 a month of usage | Ask both for a quote | Plivo requires Enterprise; Twilio’s volume pricing applies automatically |
| SMS to many small US networks, or heavy inbound MMS | Check the line | Twilio is lower on the other-network carrier fee and long-code inbound MMS |
For the workload above, the Twilio total crosses $1,000 at about 1.42 times the scenario: roughly 28,400 minutes, 42,500 texts and 4,250 replies a month, with the same 10 numbers and campaign. With every call streamed to an AI agent, it crosses at about 1.26 times, or roughly 25,200 minutes. Below those volumes, the cheaper per-unit vendor is the more expensive one to buy SMS from.
If your build is voice only, the comparison with a third carrier is worth a look too. Our Twilio vs Telnyx cost comparison for AI voice agents runs the same kind of itemised bill at 100,000 minutes.
Want the agent rather than the carrier? Zian’s AI agents answer inbound calls 24/7 and follow up by voice, SMS, email, WhatsApp, Instagram DMs and Facebook Messenger, in 30+ languages. Apply For Partnership
10DLC and toll-free fees on Twilio and Plivo
A2P 10DLC is the US carriers’ registration system for business texting from ordinary 10-digit numbers. Both vendors publish the TCR schedule that took effect on 1 August 2025, and the numbers match: Twilio in its 10DLC pricing and fees help article, Plivo in its 10DLC overview.
| Fee | Twilio | Plivo |
|---|---|---|
| Brand registration | $4.50 one-time (Sole Proprietor and Low Volume Standard brands) | $4.50 one-time |
| Standard brand with secondary vetting | $46 one-time, vetting included | $4.50 + optional vetting $41.50 |
| Campaign vetting | $15 one-time | $15 one-time |
| Standard campaign | $10/month | $10/month |
| Low-volume mixed campaign | $1.50/month | $1.50/month, billed quarterly |
| Authentication Plus | $12.50 per retry, public for-profit brands | $12.50 one-time |
| Brand appeal | $11 (vetting appeal) | $11 |
Two differences sit beside the table rather than in it. First, Twilio lists more campaign types with their own monthly fee (Sole Proprietor $2, charity $3, emergency services $5), while Plivo’s overview says special use cases such as charities and emergency services “may require additional approval and fees” and to contact support. Second, the brand type you can use depends on volume: Twilio describes Low Volume Standard brands as for senders under 6,000 messages a day, and Plivo recommends vetting above 6,000 a day. At 30,000 texts a month (about 1,000 a day), our scenario could use the cheaper low-volume route on either vendor; we priced the Standard route so the totals are not flattered.
Toll-free texting needs its own verification on both. Twilio’s toll-free best-practices article says “Twilio offers this verification service free of cost” and that verification takes “approximately 3-5 business days”. Plivo’s toll-free verification API documentation lists no fee, and because SMS is an Enterprise product at Plivo, the verification fee question belongs in that quote.
Which is better for an AI voice agent, Twilio or Plivo?
For an AI agent, the useful question is which parts of the stack each vendor hosts and what each one costs per minute. The capability rows below come from each vendor’s own product, pricing and documentation pages, read on 10 November 2026.
| Capability | Twilio | Plivo |
|---|---|---|
| Raw call audio to your own agent over WebSocket | Media Streams, $0.0044/min | Audio Streaming, included in the call rate |
| Hosted speech layer for your agent | ConversationRelay: STT and TTS orchestrated over a WebSocket, you bring the LLM; $0.07/min, voice billed separately | Voice AI Agents: $0.03/min “excluding telephony”, covering “voice models, transcription, and orchestration” |
| No-code builder | Conversation Relay Studio Widget (“drag-and-drop tools”) | AI Agent Studio with Vibe Agent, across voice, chat, SMS and WhatsApp (voice only on Professional; all channels on Enterprise) |
| Default outbound calls per second | 1 CPS; higher CPS is priced in bands (help example: 15 CPS = $940 a month) | 1 CPS, rising to 2 as lifetime spend grows; Enterprise is 2 in the account limits table and “Custom” on the plans page |
| Concurrent calls | Unlimited with an approved Business customer profile; 3 with an Individual profile and 2 with none (accounts upgraded from trial on or after 3 February 2026) | US Professional: 5, 10 or 25 by lifetime spend; Enterprise 50 (accounts created from 1 October 2026) |
| Calls above the CPS limit (API path) | Queued; cancelled after 24 hours in the queue | Queued and dialled as your rate drops |
| Short or abandoned call charges | Not on the US voice pricing page | Surcharge above thresholds: $0.005 per excess abandoned call, $0.015 per excess call of 6 seconds or less |
Three rows need a sentence each. The hosted speech layers are not like for like. Twilio’s ConversationRelay page says you bring your own LLM, while Plivo’s Voice AI Agents price line names voice models, transcription and orchestration and does not mention the language model, so ask what is metered separately before comparing $0.07 with $0.03. On 20,000 minutes that is $1,400 against $600 before telephony. The architecture choice behind the first two rows is covered in our guide to ConversationRelay vs Media Streams for AI agents.
Concurrency is where a small build is most likely to stall. Twilio’s calls-per-second and concurrency article limits newly upgraded accounts with an Individual customer profile to 3 concurrent calls, and lifts the cap with an approved Business profile. Plivo’s account limits page starts a new US Professional account at 5 concurrent calls and raises it to 10 and then 25 as lifetime spend passes $100 and $500. Outbound CPS and concurrency are one pool shared by Plivo’s Voice API and SIP trunking. It also notes that accounts created before 1 October 2026 keep custom limits. Plivo’s pricing page shows its pay-as-you-go plan with “2 RPS & 50 call concurrency”, which does not match that documentation table; we used the documentation and print both.
The surcharge row matters for outbound AI dialling, because an agent that hangs up on every voicemail produces short calls at scale. Plivo’s account limits page sets the short-call threshold at 10% of monthly volume. Its US call quality and CPS guide gives it as “Less than 20% of volume”, so the two Plivo pages disagree, and we print both. Abandoned calls are 20% on both pages. Calls to India are excluded.
Twilio vs Plivo uptime SLA and support plans
Twilio publishes a contractual figure. Its Twilio APIs Service Level Agreement (last updated 9 April 2026) sets a 99.95% monthly availability threshold, 99.99% in months when you have bought Twilio Enterprise Edition, with a 10% service credit on the affected API fees if it is missed. The exclusions matter for voice and SMS: they include “telecommunications provider-related problems or issues”, scheduled and emergency maintenance, beta products, and any unavailability of “less than five (5) minutes” in a row.
Plivo’s position is split across its own pages. Its Twilio-alternative page and llms.txt file say it offers a 99.99% uptime SLA. Its Service Levels and Support Services document (last updated 20 December 2024) defines priorities and support exceptions, including “Telecommunication Carrier related issues”, but states no uptime percentage and no credit. It points to plivo.com/support-plans/ for response targets, and as at 10 November 2026 that address redirects to Plivo’s Contact Sales page. If a percentage matters to you, put it in the order form. Our ranking of which CPaaS platforms publish an uptime SLA for voice and SMS sets both vendors against six others on the same evidence rule.
| Twilio support plan | Price per month | Business-critical response |
|---|---|---|
| Developer | Free | Estimated 3 business days, not guaranteed |
| Production | Greater of $250 or 4% of monthly spend | Guaranteed 3 business hours |
| Business | Greater of $1,500 or 6% of monthly spend | Guaranteed 1 hour (24/7) |
| Personalized | Greater of $5,000 or 8% of monthly spend | Guaranteed 1 hour (24/7) |
Twilio’s support plans page adds a credit equal to that month’s plan fee if average response time misses the guarantee, claimed within 30 days. As at 10 November 2026, Plivo’s support-plans address redirects to Contact Sales, and the only Plivo support-plan prices we found are in a September 2020 blog post, which we do not treat as current. Its plans documentation lists a dedicated Slack channel for Enterprise onboarding against self-serve for Professional, and its Twilio-alternative page promises “24/7 premium support”. Ask Plivo sales for the response times in writing.
Who each is wrong for
Twilio is the wrong pick if your build is voice only and cost-sensitive at volume: Plivo’s list rate is lower on every voice line in our price table, streaming is included, and its pay-as-you-go plan has no floor up to $2,500 a month. It is also a slow start for a team that cannot get an approved Business customer profile, because an Individual profile caps new accounts at 3 concurrent calls.
Plivo is the wrong pick for a small team that needs SMS and would spend less than $1,000 a month, because SMS sits in the Enterprise plan. It is also the wrong pick if you need an uptime percentage and credit in the published SLA document itself, if you need numbers outside the US and India without a sales contract, or if your voice usage will pass $2,500 a month before you are ready for Enterprise.
Neither is the right purchase if you do not want to build the agent at all. For that, Zian AI is a standalone AI sales and reception agents platform, not a carrier or CPaaS: its agents answer calls, book appointments and follow up without you building the agent yourself.
| If you want to… | Use | Why |
|---|---|---|
| Run an AI agent that answers calls and follows up, without building it | Zian | AI Receptionist 24/7 plus outbound follow-up by voice, SMS, email, WhatsApp, Instagram DMs and Facebook Messenger; 30+ languages; HubSpot, Salesforce, HighLevel and Zapier integrations |
| Hand the whole job to a managed team | LeadsNow.ai | Done-for-you, pay-per-result, runs on Zian, answers leads in under 60 seconds, 24/7 |
| Build your own voice and SMS agent on pay-as-you-go | Twilio | No plan gate on SMS; ConversationRelay or Media Streams for the audio |
| Build a voice-only agent at the lowest list rate, or a voice and SMS build that would cost more than $1,000 on Twilio | Plivo | Lower list rates; streaming included; Enterprise for SMS |
Want the agent rather than the carrier? Zian’s AI agents answer inbound calls 24/7 and follow up by voice, SMS, email, WhatsApp, Instagram DMs and Facebook Messenger, in 30+ languages. Apply For Partnership
Twilio vs Plivo: frequently asked questions
Is Plivo cheaper than Twilio?
On US list prices read on 10 November 2026, Plivo is lower or equal on every line of our worked scenario: $0.0115 against $0.0140 a minute for outbound local calls, $0.0077 against $0.0083 per SMS segment, and $0.50 against $1.15 a month for a local number. It is not lower on every line on the pages: Twilio is lower for inbound MMS on long codes and short codes, and for the carrier fee on texts to networks outside the three big carriers and US Cellular. And Plivo sells SMS only on its Enterprise plan, which starts at $1,000 a month, so for a voice and SMS bill that would cost less than $1,000 on Twilio, Twilio is the lower bill.
Can I send SMS on Plivo’s pay-as-you-go plan?
No, not in the US data region as at 10 November 2026. Plivo’s plans page lists SMS and MMS as unavailable on Professional (pay-as-you-go) and available on Enterprise, which it prices as custom and volume-based “from $1,000/month”. Pay-as-you-go covers voice, SIP trunking, audio streaming, voice AI agents and phone numbers in the United States and India, with a $2,500 monthly usage limit.
Do Twilio and Plivo charge the same 10DLC fees?
Yes, at list. Both publish the fees The Campaign Registry set on 1 August 2025: $4.50 to register a brand, $41.50 for standard vetting (Twilio bills a Standard brand as one $46 fee that includes it), $15 to vet a campaign and $10 a month per standard campaign. Twilio says it passes these through “with no added cost” in its 10DLC fee article. The AT&T, T-Mobile and Verizon per-message carrier fees on both pricing pages are also identical.
Does Plivo have an uptime SLA like Twilio’s?
Plivo’s marketing pages say it offers a 99.99% uptime SLA, but its legal Service Levels and Support Services document, last updated 20 December 2024, states no uptime percentage and no service credit. Twilio’s Twilio APIs SLA states 99.95% a month, or 99.99% with Enterprise Edition, with a 10% credit when it is missed. Ask Plivo to put a percentage and credit in your order form.
Which is better for an AI voice agent, Twilio or Plivo?
Neither wins on every count. Plivo includes audio streaming in its US call rates, while Twilio charges $0.0044 a minute for Media Streams, and Plivo’s Voice AI Agents product costs $0.03 a minute against $0.07 for Twilio’s ConversationRelay, though the two cover different parts of the stack. Twilio has no plan gate on SMS, so an agent that calls and texts runs on pay-as-you-go. If you want the agent itself rather than a carrier to build it on, Zian is an AI agent platform rather than a carrier.
Can I move my numbers from Twilio to Plivo?
Plivo’s Twilio-alternative page says it supports self-service number porting for US and Canadian numbers, and that its support team assists with international ports. If the numbers send SMS, you also need your 10DLC brand and campaigns registered on Plivo, and SMS on Plivo sits in the Enterprise plan, so agree that plan before you port.
Where every figure on this page comes from
| Figure | Who published it | Link | Date read |
|---|---|---|---|
| Twilio US voice rates ($0.0140, $0.0085, $0.0220, Alaska $0.0945), number rental ($1.15, $2.15), Media Streams $0.0044, AMD $0.0075, recording, ConversationRelay $0.07, $15 trial, automatic volume pricing with no voice minute threshold published | Twilio | Programmable Voice Pricing in United States | 10 Nov 2026; re-read 12 Nov 2026 |
| Twilio US SMS/MMS rates ($0.0083, $0.022, $0.0165) and carrier fees | Twilio | SMS Pricing in United States | 10 Nov 2026 |
| 10DLC fees ($4.50, $41.50, $46, $15, $10, $1.50, $2, $3, $5, $12.50, $11); under 6,000 a day for Low Volume Standard | Twilio | Pricing and Fees for A2P 10DLC Service | 10 Nov 2026 |
| Twilio rounding to the next full minute | Twilio | How Are Twilio Voice Call Duration Minutes Calculated for Billing? | 10 Nov 2026 |
| Twilio 1 CPS default, concurrency 3 / unlimited, queue cancelled after 24 hours | Twilio | How Fast Can I Place or Receive Phone Calls with Twilio? | 10 Nov 2026 |
| Twilio 15 CPS = $940 example | Twilio | How do I see calls per second (CPS) pricing? | 10 Nov 2026 |
| Twilio toll-free verification “free of cost”, 3-5 business days | Twilio | Best Practices for Using Toll-Free SMS and MMS in the US and Canada | 10 Nov 2026 |
| Twilio SLA 99.95% / 99.99%, 10% credit, exclusions | Twilio | Twilio APIs Service Level Agreement | 10 Nov 2026 |
| Twilio support plan prices and response times | Twilio | Support Plans | 10 Nov 2026 |
| ConversationRelay features, Studio Widget; $0.07/min | Twilio | Conversation Relay; Conversations pricing | 10 Nov 2026 |
| Plivo US voice rates ($0.0115, $0.0055, $0.0060, $0.0180, Hawaii $0.0125, Alaska $0.0850), streaming included, AMD and recording | Plivo | United States Voice API Pricing | 10 Nov 2026 |
| Plivo US SMS/MMS rates ($0.0077, $0.0079, $0.0180) and carrier surcharges | Plivo | SMS Messaging API Pricing – United States | 10 Nov 2026 |
| Plivo number rental ($0.50, $1.00) | Plivo | United States Phone Number Pricing | 10 Nov 2026 |
| Plivo Enterprise from $1,000/month; SMS Enterprise only; $2,500 usage limit; 2 CPS; volume discounts Enterprise only | Plivo | Plans and Pricing; Pricing | 10 Nov 2026 |
| Plivo “$1,000/month minimum commit” | Plivo | Numbers overview | 10 Nov 2026 |
| Plivo Voice AI Agents $0.03/min; $10 free credits | Plivo | Pricing | 10 Nov 2026 |
| Twilio Elastic SIP Trunking US: $0.0100/min lower 48 (zone 1), $0.0620 high-cost prefixes, $0.0034/min local origination | Twilio | Elastic SIP Trunking Pricing in United States (and its outbound CSV) | 10 Nov 2026 |
| Plivo SIP trunking US: $0.0046/min out, $0.0028/min in, 6/6 billing | Plivo | SIP Trunking Pricing – United States | 10 Nov 2026 |
| Plivo 60/60 Voice API billing | Plivo | Billing Concepts | 10 Nov 2026 |
| Plivo 10DLC fees; vetting above 6,000 a day | Plivo | 10DLC overview | 10 Nov 2026 |
| Plivo concurrency 5 / 10 / 25 / 50, $100 and $500 spend tiers; surcharges $0.005 and $0.015; 10% short-call threshold | Plivo | Account and feature limits | 10 Nov 2026 |
| Plivo short-call threshold “Less than 20% of volume”; 1 to 2 CPS; queued calls | Plivo | Outbound Call Quality and CPS in the US | 10 Nov 2026 |
| Plivo SLA document, last updated 20 December 2024 | Plivo | Service Level & Support | 10 Nov 2026 |
| Plivo “99.99% uptime SLA”, “24/7 premium support”, US and Canada self-service porting | Plivo | Best Twilio Alternative; llms.txt | 10 Nov 2026 |
| Plivo AI Agent Studio, Vibe Agent | Plivo | AI Agents | 10 Nov 2026 |
| Worked bill, crossover multiples (1.42×, 1.26×), percentage gaps | Zian (our arithmetic on the rates above) | This page | 10 Nov 2026 |
Method and disclosure. zian.ai publishes this page; Zian is not priced here. Vendor prices change: Twilio’s SMS page says its prices “may change from time to time without notice”, so re-check each rate on the linked page before you sign.