# Text-to-speech APIs for AI agents (slim)

> 10 text-to-speech listings ranked by the Anchor benchmark. Leader Amazon Polly (BB). APIs that turn text into speech, streamed for live conversation or rendered for long-form audio. Compared on time to first audio, pronunciation, how natural it sounds, long-form consistency, languages and cost for a fixed script.

- Full: https://www.anchorterminal.com/categories/text-to-speech.md (~2,950 tokens) · this version ~580 tokens · JSON https://www.anchorterminal.com/categories/text-to-speech.json · canonical https://www.anchorterminal.com/categories/text-to-speech
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-04

- Tools: 10 · agent-ready (BB+): 5 · accept x402: 0 · JSON: https://www.anchorterminal.com/api/v1/tools.json · by capability: https://www.anchorterminal.com/api/v1/capabilities.json
- Capabilities: speech.tts, speech.streaming, speech.voices, speech.ssml, speech.languages

| # | Tool | Grade | Score | Confidence | x402 | Auth | Where | Slim |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 29 | Amazon Polly | BB | 75.8 | high | no | API key | hosted | https://www.anchorterminal.com/tools/amazon-polly.min.md |
| 56 | Azure AI Speech text-to-speech | BB | 73.7 | medium | no | OAuth or key | hosted | https://www.anchorterminal.com/tools/azure-text-to-speech.min.md |
| 61 | ElevenLabs Text to Speech API + MCP | BB | 73.1 | high | no | OAuth or key | hosted + local | https://www.anchorterminal.com/tools/elevenlabs-tts.min.md |
| 63 | Deepgram Text-to-Speech (Aura-2, Flux TTS) | BB | 73 | high | no | API key | hosted + local | https://www.anchorterminal.com/tools/deepgram-tts.min.md |
| 91 | Murf TTS API + MCP | BB | 70.9 | medium | no | API key | hosted + local | https://www.anchorterminal.com/tools/murf-tts.min.md |
| 187 | Cartesia Sonic TTS API + MCP | B | 64.2 | medium | no | OAuth or key | hosted + local | https://www.anchorterminal.com/tools/cartesia-tts.min.md |
| 193 | Soniox Text-to-Speech | B | 63.9 | medium | no | API key | hosted | https://www.anchorterminal.com/tools/soniox-tts.min.md |
| 305 | Rime TTS API + MCP | C | 56.1 | medium | no | API key | hosted | https://www.anchorterminal.com/tools/rime-tts.min.md |
| 357 | Resemble AI Text-to-Speech API | D | 50.6 | medium | no | API key | hosted | https://www.anchorterminal.com/tools/resemble-ai-tts.min.md |
| not ranked, shut down | PlayHT Text-to-Speech API | F | 4.2 | high | no | API key | hosted | https://www.anchorterminal.com/tools/playht-tts.min.md |