Mistral Large 2407 vs OpenAI: o4 Mini High
Head-to-head API pricing and cost comparison between Mistral’s Mistral Large 2407 and OpenAI’s OpenAI: o4 Mini High. Prices auto-refresh daily from OpenRouter.
OpenAI: o4 Mini High is 45% cheaper for input tokens; OpenAI: o4 Mini High also wins on output tokens.
Side-by-side comparison
| Spec | Mistral Large 2407 | OpenAI: o4 Mini High |
|---|---|---|
| Input price (per 1M) | $2.00 | $1.10 |
| Cached input (per 1M) | $0.20 | $0.28 |
| Output price (per 1M) | $6.00 | $4.40 |
| Batch input (per 1M) | — | $0.55 |
| Batch output (per 1M) | — | $2.20 |
| Reasoning price (per 1M) | — | — |
| Context window | 131K | 200K |
| Vision support | No | Yes |
| Caching support | Yes | Yes |
| Batch API | No | Yes |
| Reasoning capability | No | Yes |
Monthly cost at volume
Estimated monthly API spend at common production traffic levels (input/output tokens per request shown).
| Volume | Mistral Large 2407 | OpenAI: o4 Mini High | Savings |
|---|---|---|---|
1K req/day 500in / 200out tokens | $66.00 | $42.90 | $23.10 OpenAI: o4 Mini High wins |
10K req/day 1500in / 500out tokens | $1,800 | $1,155 | $645.00 OpenAI: o4 Mini High wins |
100K req/day 3000in / 800out tokens | $32,400 | $20,460 | $11,940 OpenAI: o4 Mini High wins |
1M req/day 8000in / 2000out tokens | $840,000 | $528,000 | $312,000 OpenAI: o4 Mini High wins |
Adjust input/output token counts, request volume, batch & cached pricing.
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Frequently asked questions
Which is cheaper, Mistral Large 2407 or OpenAI: o4 Mini High?
For input tokens, OpenAI: o4 Mini High is roughly 45% cheaper at $1.10/1M vs $2.00/1M. For output tokens, OpenAI: o4 Mini High wins at $4.40/1M. Real-world cost depends on your input/output ratio — use the calculator to model your actual workload.
What’s the context window difference?
Mistral Large 2407 has a context window of 131K tokens. OpenAI: o4 Mini High 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 Large 2407 or OpenAI: o4 Mini High?
Choose Mistral Large 2407 if you’re already on the Mistral stack, want broad ecosystem support, or prefer its feature set. Choose OpenAI: o4 Mini High for OpenAI’s ecosystem, native vision input, or its cheaper input tokens. 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: May 28, 2026.