Mistral: Mistral Small 3.1 24B vs Anthropic: Claude Haiku 4.5
Head-to-head API pricing and cost comparison between Mistral’s Mistral: Mistral Small 3.1 24B and Anthropic’s Anthropic: Claude Haiku 4.5. Prices auto-refresh daily from OpenRouter.
Mistral: Mistral Small 3.1 24B is 65% cheaper for input tokens; Mistral: Mistral Small 3.1 24B also wins on output tokens.
Side-by-side comparison
| Spec | Mistral: Mistral Small 3.1 24B | Anthropic: Claude Haiku 4.5 |
|---|---|---|
| Input price (per 1M) | $0.35 | $1.00 |
| Cached input (per 1M) | — | $0.10 |
| Output price (per 1M) | $0.56 | $5.00 |
| Batch input (per 1M) | — | $0.50 |
| Batch output (per 1M) | — | $2.50 |
| Reasoning price (per 1M) | — | — |
| Context window | 128K | 200K |
| Vision support | Yes | Yes |
| Caching support | No | Yes |
| Batch API | No | Yes |
| Reasoning capability | No | No |
Monthly cost at volume
Estimated monthly API spend at common production traffic levels (input/output tokens per request shown).
| Volume | Mistral: Mistral Small 3.1 24B | Anthropic: Claude Haiku 4.5 | Savings |
|---|---|---|---|
1K req/day 500in / 200out tokens | $8.61 | $45.00 | $36.39 Mistral: Mistral Small 3.1 24B wins |
10K req/day 1500in / 500out tokens | $241.50 | $1,200 | $958.50 Mistral: Mistral Small 3.1 24B wins |
100K req/day 3000in / 800out tokens | $4,494 | $21,000 | $16,506 Mistral: Mistral Small 3.1 24B wins |
1M req/day 8000in / 2000out tokens | $117,600 | $540,000 | $422,400 Mistral: Mistral Small 3.1 24B wins |
Adjust input/output token counts, request volume, batch & cached pricing.
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Frequently asked questions
Which is cheaper, Mistral: Mistral Small 3.1 24B or Anthropic: Claude Haiku 4.5?
For input tokens, Mistral: Mistral Small 3.1 24B is roughly 65% cheaper at $0.35/1M vs $1.00/1M. For output tokens, Mistral: Mistral Small 3.1 24B wins at $0.56/1M. Real-world cost depends on your input/output ratio — use the calculator to model your actual workload.
What’s the context window difference?
Mistral: Mistral Small 3.1 24B has a context window of 128K tokens. Anthropic: Claude Haiku 4.5 offers 200K tokens. Larger context windows are valuable for long documents, RAG pipelines, and multi-turn conversations — but they come with higher input-token bills if you fill them every request.
Should I use Mistral: Mistral Small 3.1 24B or Anthropic: Claude Haiku 4.5?
Choose Mistral: Mistral Small 3.1 24B if you’re already on the Mistral stack, want broad ecosystem support, or prefer its lower input price. Choose Anthropic: Claude Haiku 4.5 for Anthropic’s ecosystem, native vision input, or its differentiated capabilities. Run a small benchmark on your own prompts before committing — price is only one axis.
How are these prices kept current?
Prices are pulled directly from OpenRouter’s public models API once every 24 hours via a Convex cron job, then normalized to per-1M-token figures. Last refresh: Apr 21, 2026.