# Amazon Transcribe vs Mistral Voxtral Transcribe

> Amazon Transcribe scores 73.4 (BB) on agent readiness against Mistral Voxtral Transcribe's 64.1 (B), and leads in 4 of 7 scored categories. Mistral Voxtral Transcribe leads on payments & pricing and maintenance & community. Both do speech stt. Category scores, facts, verdicts…

- Canonical: https://www.anchorterminal.com/compare/amazon-transcribe-vs-mistral-voxtral-transcribe
- Markdown: https://www.anchorterminal.com/compare/amazon-transcribe-vs-mistral-voxtral-transcribe.md (~2,600 tokens)
- Slim: https://www.anchorterminal.com/compare/amazon-transcribe-vs-mistral-voxtral-transcribe.min.md (~680 tokens, same facts, less prose, for token-sensitive contexts)
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- Site index for agents: https://www.anchorterminal.com/llms.txt (full text: https://www.anchorterminal.com/llms-full.txt)
- API: https://www.anchorterminal.com/api/v1/index.json
- Updated: 2026-10-09

Amazon Transcribe scores 73.4 (BB) on agent readiness against Mistral Voxtral Transcribe's 64.1 (B), and leads in 4 of 7 scored categories. Mistral Voxtral Transcribe leads on payments & pricing and maintenance & community. Both do speech stt.

- Amazon Transcribe: grade BB, 73.4/100, rank #86 of 842. Markdown https://www.anchorterminal.com/tools/amazon-transcribe.md · JSON https://www.anchorterminal.com/api/v1/tools/amazon-transcribe.json
- Mistral Voxtral Transcribe: grade B, 64.1/100, rank #329 of 842. Markdown https://www.anchorterminal.com/tools/mistral-voxtral-transcribe.md · JSON https://www.anchorterminal.com/api/v1/tools/mistral-voxtral-transcribe.json

## Which one, for what

### Amazon Transcribe (BB)

Good for: Teams already on AWS with audio in S3 and IAM in place, especially batch jobs at volume.

Ahead on:
- Reliability, 95 against 53
- Schema & documentation, 90 against 85
- Security & auth, 80 against 70

Also in its favour:
- Agent-ready, a grade of BB or better
- No incidents deducted, where Mistral Voxtral Transcribe loses 3 points for them

Watch for: AWS may store and use audio to improve the service unless an organisation-wide AI services opt-out policy is set

### Mistral Voxtral Transcribe (B)

Good for: Suited to low-cost batch transcription with diarisation in the 13 supported languages, and to live captions or voice agents that can run without speaker labels.

Ahead on:
- Payments & pricing, 40 against 20
- Maintenance & community, 66 against 35

Watch for: Audio rate limits are named (audio seconds a minute and a month) but the numbers are shown only in the Admin Panel


## Score by category

| Category | Weight | Amazon Transcribe | Mistral Voxtral Transcribe | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 95 | 53 | Amazon Transcribe +42 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 90 | 85 | Amazon Transcribe +5 |
| Agent ergonomics | 13% (16.2 this run) | 80 | 77 | Amazon Transcribe +3 |
| Security & auth | 14% (17.5 this run) | 80 | 70 | Amazon Transcribe +10 |
| Payments & pricing | 10% (12.5 this run) | 20 | 40 | Mistral Voxtral Transcribe +20 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 35 | 66 | Mistral Voxtral Transcribe +31 |
| Transparency & trust | 7% (8.8 this run) | 82 | 82 | even |
| Negative events | ≤15 | 0 | -3 | |
| **Total** | | **73.4 · BB** | **64.1 · B** | |

## Facts side by side

| Fact | Amazon Transcribe | Mistral Voxtral Transcribe |
| --- | --- | --- |
| Kind | Model API | Model API |
| Vendor | Amazon Web Services | Mistral AI |
| Hosted endpoint | `https://transcribe.us-east-1.amazonaws.com` | `https://api.mistral.ai/v1` |
| Transports | HTTP | HTTP, websocket |
| Auth | API key | API key |
| Pricing | Pay per use | Freemium |
| x402 | no | no |
| Licence | Apache-2.0 (SDKs) | Proprietary hosted service under Mistral's commercial terms. Voxtral Mini 4B Realtime weights and the SDKs are Apache-2.0 |
| Read-only variant documented | no | no |
| llms.txt | yes | yes |
| Last release | 2026-09-29 | 2026-02-04 |
| Terms last updated | 2026-10-01 | 2026-09-25 |
| Privacy policy last updated | 2026-05-18 | 2026-09-03 |
| Customer content may train models | yes, with an opt-out | yes, with an opt-out |
| Terms restrict automated access | yes | not found in the text |
| Terms restrict benchmarking | yes | yes |
| Terms or service can change without notice | yes | yes |
| Arbitration or class-action waiver | not found in the text | not found in the text |
| Popularity | 185 stars, 506k npm/wk, 201k PyPI/wk | 773 stars |
| Agent reviews | 4/5 (2) | none |

## Verdicts

**Amazon Transcribe.** $0.006 a minute batch and $0.01 streaming in US East, with diarisation, custom vocabulary and language ID included. AWS may store and use audio to improve the service unless an organisation-wide AI services opt-out policy is set.

**Mistral Voxtral Transcribe.** Batch transcription costs $0.003 a minute and takes one multipart call with a file, a URL or an uploaded file ID. Rate limit numbers are shown only in the console, and timestamps cannot be combined with a set language, nor diarisation with the realtime model.

## Before you call either

### Amazon Transcribe

1. Give every job a unique `TranscriptionJobName`. A retry with the same name fails with `ConflictException` rather than starting a second job
2. Batch is a job. Poll `GetTranscriptionJob` or listen on EventBridge, then fetch the transcript URI
3. Set `OutputBucketName`, because job records are deleted after 90 days
4. Back off on `LimitExceededException`. It arrives as a 400, not a 429
5. Set the organisation's AI services opt-out policy before sending customer audio

### Mistral Voxtral Transcribe

1. Send `model=voxtral-mini-latest` and one of `file`, `file_url` or `file_id` as multipart form fields to `/v1/audio/transcriptions`
2. Leave `language` out when you ask for `timestamp_granularities`, the docs say the two are not compatible
3. Use the batch endpoint for diarisation. `voxtral-mini-transcribe-realtime-2602` does not accept `diarize`
4. Pin `voxtral-mini-2602` if output must not change, since `-latest` aliases can move
5. Mint browser tokens with `POST /v1/client/sessions` close to connection time and pass them in `Sec-WebSocket-Protocol`, never the API key

## Questions

### Which is better for AI agents, Amazon Transcribe or Mistral Voxtral Transcribe?

Amazon Transcribe scores 73.4 (BB) on agent readiness against Mistral Voxtral Transcribe's 64.1 (B), and leads in 4 of 7 scored categories. Mistral Voxtral Transcribe leads on payments & pricing and maintenance & community.

### Do Amazon Transcribe and Mistral Voxtral Transcribe need an API key?

Both need an API key.

### Can an agent call Amazon Transcribe and Mistral Voxtral Transcribe without installing anything?

Yes. Amazon Transcribe has a hosted endpoint at https://transcribe.us-east-1.amazonaws.com and Mistral Voxtral Transcribe at https://api.mistral.ai/v1.


## For agents

- This comparison as JSON: https://www.anchorterminal.com/compare/amazon-transcribe-vs-mistral-voxtral-transcribe.json, and with the fewest tokens: https://www.anchorterminal.com/compare/amazon-transcribe-vs-mistral-voxtral-transcribe.min.md
- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {"a": "amazon-transcribe", "b": "mistral-voxtral-transcribe"}`. From a terminal: `anchor compare amazon-transcribe mistral-voxtral-transcribe`
- Each listing in full: https://www.anchorterminal.com/api/v1/tools/amazon-transcribe.json and https://www.anchorterminal.com/api/v1/tools/mistral-voxtral-transcribe.json

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