Mistral API
by Mistral AI
#7 in Model APIs & token credits
I'd keep this as a second API. Free mode needs no card, and many models carry open licenses, so you can self-host them later.
What’s good
- Free mode with no card required
- Mistral Medium 3.5: $1.50 per 1M input
- OCR, speech and embedding models too
Heads-up
- Free mode has usage and rate limits
The details
- Best for
- Builders who want a free start and open-license models
- Price
- Free tier, then pay as you go (Pay as you go beyond free usage)
- Free plan
- Free mode with monthly usage, no card needed
- Skill level
- Built for pros
- Made by
- Mistral AI
- Website
- mistral.ai
- Price checked
- Oct 1, 2026
Where it ranks
Compare with similar picks
| Rank in Model APIs & token credits | #1 | #2 | #3 | #7 |
|---|---|---|---|---|
| Price | $10 per 1M tokens (2x for prompts over 272K tokens) in · $50 per 1M tokens (1.5x for prompts over 272K tokens) out | $4 per 1M tokens in · $20 per 1M tokens out | Pay per token | $1.50 per 1M tokens in · $7.50 per 1M tokens out |
| Flagship model | GPT-6 Astra (gpt-6-astra) | Claude Opus 5.5 (claude-opus-5-5) | Not published | Mistral Medium 3.5 (mistral-medium-3-5) |
| Input price | $10 per 1M tokens (2x for prompts over 272K tokens) | $4 per 1M tokens | Not published | $1.50 per 1M tokens |
| Output price | $50 per 1M tokens (1.5x for prompts over 272K tokens) | $20 per 1M tokens | Not published | $7.50 per 1M tokens |
| Context window | 1.05M tokens | 1M tokens | Not published | 256K tokens |
| Free tier | A Free usage tier exists in allowed regions, but GPT-6 Astra isn't available on it | New users get a small amount of free credits to test the API | Free plan: 25+ free models, 50 requests/day | Free plan includes $10/mo in API credits |
| Billing | Pay-as-you-go; usage tiers by amount paid (Tier 1 at $5 paid); spend limits | Usage-based; card or invoicing; monthly spend caps by tier (Start tier $500) | Prepaid credits at provider list prices; 5.5% fee on credit purchases; no minimum | Plan's included monthly usage first, then pay-as-you-go per token; spend limit |
| Your data | Not used for training unless you opt in; abuse-monitoring logs kept up to 30 days | Not used for training without permission; inputs/outputs deleted within 30 days | Does not train on your data; zero-data-retention routing on every plan | Training opt-out is a separate control; zero data retention on paid plans by request |
| Best for | Builders who want GPT models plus image, voice and realtime APIs | Developers building coding tools and long-running agents | Builders who want every major model behind one API key | Builders who want a free start and open-license models |
| Skill level | Built for pros | Built for pros | Built for pros | Built for pros |
| Try it | Try it free | Try it free | Try it free |
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