Retell AI vs Thoughtly
Retell AI (API plus no-code, production telephony fast) and Thoughtly (No-code AI contact center) are Voice AI platforms, priced from $0.07/min and $500/mo respectively. Below: the bottom line, verified head-to-head facts, and real production costs.
These two tools serve different buyer profiles. Retell AI wins for dev-centric or cost-sensitive teams: it charges no monthly platform fee versus Thoughtly's $500 per month, offers self-serve signup, an API-first architecture, 20 concurrent calls at the base tier versus 10, and $10 in free credits to start. Thoughtly wins for business teams wanting plug-and-play integrations: it provides 200-plus native connectors versus Retell's handful and a no-code-first approach that requires no API skills. Neither tool has a compliance edge, as both offer SOC 2, enterprise-only HIPAA, and GDPR support. A split recommendation is warranted.
It is close, and the right pick depends on your use case. Start a free trial, or read the verdicts below.
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Head-to-head facts
Every row independently verified| Fact | Retell AI | Thoughtly |
|---|---|---|
| Base price / min | ~$0.07Jul 15 | n/a |
| Real production cost / min | ~$0.09-0.41Jul 15 | n/a |
| HIPAA BAA on base plan | ◑ Enterprise onlyJul 15 | ◑ Enterprise onlyJul 15 |
| Native SIP trunking | ✓ YesJul 15 | ✓ YesJul 15 |
| Concurrency limit (base) | ~20 callsJul 15 | ~10 callsJul 15 |
| Median e2e latency | Not verified | n/a |
| Bring-your-own LLM | ✓ YesJul 15 | ✓ YesJul 15 |
| Free tier credit | $10 free credits on signupJul 15 | n/a |
Pricing: true cost at 3 usage tiers
All-in monthly: platform fee + per-minute + telephony. Assumes GPT-4o class model, ElevenLabs voice.Verdicts by use case
Both tools offer partial white-label and no-code builders, but Retell AI has a $0/mo platform fee versus Thoughtly's $500/mo fee, making it far more accessible for agencies testing or scaling deployments. Retell AI also supports self-serve signup, letting agencies onboard clients without sales friction, while Thoughtly requires no self-serve access. Retell AI's base concurrency of 20 calls versus Thoughtly's 10 further helps agencies handle more simultaneous clients. Thoughtly's 200+ native integrations are a plus, but cost and accessibility weigh decisively in favor of Retell AI for no-code agency resale.
For engineering teams needing custom pipeline control, API-first access is decisive. Retell AI is explicitly API-first, while Thoughtly is not. Retell AI also carries no monthly platform fee ($0/mo) versus Thoughtly's $500/mo, lowering the barrier for custom integrations and iterative development. Retell AI further supports bring-your-own LLM and bring-your-own TTS, giving engineers fine-grained control over every pipeline component.
For ecommerce support, integrations and cost matter most. Retell AI has a $0/mo platform fee versus Thoughtly's $500/mo, making it far more accessible for typical ecommerce merchants. Retell AI also offers self-serve signup for immediate deployment, while Thoughtly has no self-serve option. Thoughtly leads on native integrations (200+ including Salesforce, versus Retell's handful), which is relevant for ecommerce CRMs. However, the $500/mo fixed cost and lack of self-serve are decisive barriers for most ecommerce operators, tipping the win to Retell AI.
Both tools restrict HIPAA BAA to enterprise plans only, so neither holds an advantage on the core compliance requirement. Both also share SOC 2 Type II and GDPR tooling. Differentiators such as Retell AI having no platform fee versus Thoughtly's $500/mo fee, and Retell AI offering self-serve signup, are cost and onboarding factors rather than healthcare compliance factors. Because the deciding criterion, HIPAA BAA availability, is identical for both tools, no confident winner can be declared.
For outbound sales campaigns, cost and accessibility matter greatly. Retell AI has a $0/mo platform fee versus Thoughtly's $500/mo, making it far cheaper to launch. Retell also allows self-serve signup while Thoughtly does not, reducing friction. Retell's base concurrency is 20 calls versus Thoughtly's 10, which is critical for campaign volume. Both support native outbound campaigns and warm transfer. The combination of no platform fee, self-serve access, and double the base concurrency decisively favors Retell AI.
For an SMB receptionist use case, Thoughtly's 200+ native integrations, including HubSpot, Salesforce, and Twilio, provide rich out-of-the-box CRM and booking connectivity without custom development. However, Thoughtly's $500/mo platform fee versus Retell AI's $0/mo is a meaningful cost burden for SMBs. Thoughtly also lacks self-serve signup and is API-optional rather than API-first, though this matters less for non-technical SMB owners who need quick setup. Retell AI's $0 platform fee and self-serve access are very SMB-friendly, but its narrower native integration count compared to Thoughtly's 200+ tips the scale for booking workflows. The margin is narrow because the cost disadvantage partially offsets the integration advantage.
Common questions
How does Retell AI pricing compare to Thoughtly per month?+−
Retell AI charges no monthly platform fee and bills at $0.07 per minute as its base rate. Thoughtly charges a $500 per month platform fee on top of usage costs. At low call volumes, Retell AI will likely cost less. Retell AI also offers $10 in free credits on signup so you can test it before committing.
What is the real all-in cost per minute for Retell AI calls?+−
Retell AI advertises a base price of $0.07/min, but real production costs range from $0.085 to $0.415/min once LLM, TTS, and telephony costs are factored in. Telephony adds $0.01/min. LLM and TTS costs are not passed through at cost; instead, they are bundled into Retell AI's pricing.
Can I sign up for Retell AI or Thoughtly without talking to sales?+−
Retell AI supports self-serve signup, so you can create an account and start building immediately. Thoughtly does not offer self-serve signup, meaning you need to contact their team before getting access.
Which tool has a higher concurrent call limit on the base plan?+−
Retell AI includes 20 concurrent calls on its base plan. Thoughtly includes 10 concurrent calls on its base plan. If you need more than 20 on Retell AI, additional lines cost $8/mo each.
Do Thoughtly and Retell AI support HIPAA compliance?+−
Both Thoughtly and Retell AI offer a HIPAA BAA, but only on enterprise plans. Neither tool includes HIPAA compliance on base or standard plans. Both are also SOC 2 Type II certified.
Which platform has more native integrations, Thoughtly or Retell AI?+−
Thoughtly claims 200+ native integrations, including HubSpot, Salesforce, Twilio, and Telnyx. Retell AI lists a smaller named set, including Make, Twilio, Vonage, Go High Level, n8n, and HubSpot. By count, Thoughtly offers the broader out-of-the-box integration catalog.
Is Retell AI or Thoughtly better for developers who need full API control?+−
Retell AI is API-first, supporting full agent lifecycle management through the API. Thoughtly does not offer this approach. If your team wants to automate provisioning, configuration, and management programmatically, Retell AI is the stronger fit.
How many languages does Thoughtly support compared to Retell AI?+−
Thoughtly supports 34 languages. No language count is available for Retell AI in the provided facts, so a direct numeric comparison between the two platforms cannot be made.
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