Codestral 25.08 vs o4-mini
Codestral 25.08 and o4-mini are both current production-tier models. Codestral 25.08 is meaningfully cheaper at $0.30 / $0.90 per 1M. o4-mini leads on reasoning, general knowledge, instruction following.
Specs side by side
| Metric | Mistral AI Codestral 25.08 | OpenAI o4-mini |
|---|---|---|
| Input price (per 1M) | $0.3 | $1.1 |
| Output price (per 1M) | $0.9 | $4.4 |
| Context window | 256k tokens | 200k tokens |
| Speed tier | fast | slow |
| Open weights | Yes | No |
| EU region | Yes | Yes |
| Free tier | La Plateforme | No |
| Prompt caching | No | Yes |
| Vision input | No | Yes |
| Extended thinking | No | Yes |
When to choose each
Choose Codestral 25.08 if…
- Cost is a priority ($0.30 / $0.90 per 1M vs $1.1 / $4.4 per 1M)
- Low latency matters (fast vs slow)
- You need open weights for self-hosting or fine-tuning
- You want a free tier for prototyping
Choose o4-mini if…
- You need image input / vision
- Reasoning is central to your workload
- General knowledge is central to your workload
Benchmark delta
Codestral 25.08 leads on
Codestral 25.08 has no meaningful benchmark lead in this pair.
o4-mini leads on
- Reasoning
- General knowledge
- Instruction following
- Multilingual
- Tool use
FAQ — Codestral 25.08 vs o4-mini
Codestral 25.08 vs o4-mini — which is better?
Codestral 25.08 and o4-mini are both current production-tier models. Codestral 25.08 is meaningfully cheaper at $0.30 / $0.90 per 1M. o4-mini leads on reasoning, general knowledge, instruction following. The right pick depends on your use case — see "When to choose each" above for a data-driven decision.
How does Codestral 25.08 pricing compare to o4-mini?
Codestral 25.08 costs $0.30 / $0.90 per 1M vs o4-mini at $1.1 / $4.4 per 1M. Codestral 25.08 is cheaper on output tokens by roughly 389%. Both support prompt caching, which reduces effective cost by 80-90% on repeat system prompts.
Does Codestral 25.08 or o4-mini have the bigger context window?
Codestral 25.08 has a 256k-token context window — 1× the 200k context of o4-mini. Enough for long reports and multi-document analysis.
Is there a free tier for Codestral 25.08 or o4-mini?
Codestral 25.08: yes — Free tier for prototyping with rate limits. o4-mini: no — Paid-only.
Which is better for coding — Codestral 25.08 or o4-mini?
o4-mini leads on coding benchmarks (Codestral 25.08: 90/100, o4-mini: 92/100). For production coding agents also weigh tool-use performance — Codestral 25.08 scores 78, o4-mini scores 88.