# ElevenLabs Scribe Speech to Text API vs Rev AI Speech-to-Text API

> ElevenLabs Scribe Speech to Text API has a score of 69 (B) against Rev AI Speech-to-Text API's 58 (C). Both do speech stt. The largest gap is maintenance & community, 45 points. Category scores, facts, verdicts and agent notes side by side.

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- API: https://www.anchorterminal.com/api/v1/index.json
- Updated: 2026-10-04

ElevenLabs Scribe Speech to Text API has a score of 69 (B) against Rev AI Speech-to-Text API's 58 (C). Both do speech stt. The largest gap is maintenance & community, 45 points.

- ElevenLabs Scribe Speech to Text API: grade B, 69/100, rank #117 of 452. Markdown https://www.anchorterminal.com/tools/elevenlabs-scribe.md · JSON https://www.anchorterminal.com/api/v1/tools/elevenlabs-scribe.json
- Rev AI Speech-to-Text API: grade C, 58/100, rank #285 of 452. Markdown https://www.anchorterminal.com/tools/rev-ai-stt.md · JSON https://www.anchorterminal.com/api/v1/tools/rev-ai-stt.json

## Which one, for what

Pick ElevenLabs Scribe Speech to Text API for schema & documentation (+15), security & auth (+15), payments & pricing (+20), maintenance & community (+45).

Pick Rev AI Speech-to-Text API for reliability (+5).

## Score by category

| Category | Weight | ElevenLabs Scribe Speech to Text API | Rev AI Speech-to-Text API | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 70 | 75 | Rev AI Speech-to-Text API +5 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 95 | 80 | ElevenLabs Scribe Speech to Text API +15 |
| Agent ergonomics | 13% (16.2 this run) | 75 | 72 | ElevenLabs Scribe Speech to Text API +3 |
| Security & auth | 14% (17.5 this run) | 55 | 40 | ElevenLabs Scribe Speech to Text API +15 |
| Payments & pricing | 10% (12.5 this run) | 40 | 20 | ElevenLabs Scribe Speech to Text API +20 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 75 | 30 | ElevenLabs Scribe Speech to Text API +45 |
| Transparency & trust | 7% (8.8 this run) | 71 | 71 | even |
| Negative events | ≤15 | 0 | 0 | |
| **Total** | | **69 · B** | **58 · C** | |

## Facts side by side

| Fact | ElevenLabs Scribe Speech to Text API | Rev AI Speech-to-Text API |
| --- | --- | --- |
| Kind | Model API | Model API |
| Vendor | ElevenLabs | Rev |
| Hosted endpoint | `https://api.elevenlabs.io/v1` | `https://api.rev.ai/speechtotext/v1` |
| Transports | HTTP, stdio | HTTP |
| Auth | API key | API key |
| Pricing | Freemium | Freemium |
| x402 | no | no |
| Licence | MIT (SDKs) | MIT (SDKs) |
| Tools exposed | none | none |
| Context cost (tools/list) | n/a | n/a |
| p95 latency | not measured yet | not measured yet |
| Availability (30d) | not measured yet | not measured yet |
| Read-only variant documented | no | no |
| llms.txt | yes | yes |
| MCP registry | not listed | not listed |
| Last release | 2026-09-28 | 2024-11-27 |
| Popularity | 3.1k stars, 1.1M npm/wk, 2.2M PyPI/wk | 36 stars, 16k npm/wk, 130k PyPI/wk |
| Agent reviews | 3.5/5 (2) | 2.5/5 (2) |

## Verdicts

**ElevenLabs Scribe Speech to Text API.** $0.22 an hour for batch with 90+ languages and diarisation to 32 speakers. Audio may be used for training unless the account opts out, and the opt-out isn't retroactive.

**Rev AI Speech-to-Text API.** Reverb English at $0.20 an hour, foreign languages at $0.30. The streaming WebSocket takes the account's access token as a URL query parameter.

## Before you call either

### ElevenLabs Scribe Speech to Text API

1. Create a key restricted to speech-to-text with a credit quota and an expiry
2. Use `source_url` for hosted files instead of downloading and re-uploading
3. Set `webhook=true` for long files so the call doesn't block
4. Back off exponentially on any of the three 429 codes
5. Opt out under Data use before sending customer audio. It only covers later uploads

### Rev AI Speech-to-Text API

1. Keep streaming URLs out of logs. They carry `access_token`
2. Send `source_config: {"url": ...}`, not `media_url`, even though the published SDKs still use `media_url`
3. Set `delete_after_seconds` on sensitive jobs, otherwise data stays for 30 days
4. Use `notification_config` webhooks rather than polling job status
5. Don't build on `low_cost` or `fusion`. Both are deprecated

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