Retell AI
Platform and API for phone voice agents and chat agents, billed per minute or message.
Voice (speech-to-text, text-to-speech) Official MCP server
＋ Build a stack with Retell AI Website Official pricing GitHub
Price
from $0.31/min
after the free tier
Free tier
Yes
$10 in free credits
SDK downloads
315K
npm retell-sdk · PyPI retell-sdk
Status
—
no public status page
How Retell AI compares
Retell AI is one of 12 APIs in the Voice (speech-to-text, text-to-speech) category on AgentGid. It is one of 11 that can be started for free. It ships an official MCP server, like 5 others here. Its official SDK is the 6th most downloaded in the category (315K a week). See the full table.
Pricing
| Free tier | $10 in free credits |
|---|---|
| Cheapest paid plan | — |
| Usage price | $0.07-$0.31/min for AI voice agents; $0.002+/msg for chat agents |
| Good to know | 20 concurrent calls included on pay-as-you-go. |
From the official pricing page, checked Oct 22, 2026. Prices change: confirm before you buy.
Use it from an agent
| MCP server | Official: @retell-ai/mcp-server |
|---|---|
| npm | npm install retell-sdk |
| PyPI | pip install retell-sdk |
| GitHub | RetellAI/retell-typescript-sdk · 62 stars · last push Oct 23, 2026 |
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