Claude Fable 5 vs Codestral 25.08
Claude Fable 5 and Codestral 25.08 are both current production-tier models. Codestral 25.08 is meaningfully cheaper at $0.30 / $0.90 per 1M. Claude Fable 5 has a 1M context window — about 4× the 256k of Codestral 25.08. Claude Fable 5 leads on coding, reasoning, general knowledge.
Specs side by side
| Metric | Anthropic Claude Fable 5 | Mistral AI Codestral 25.08 |
|---|---|---|
| Input price (per 1M) | $10 | $0.3 |
| Output price (per 1M) | $50 | $0.9 |
| Context window | 1M tokens | 256k tokens |
| Speed tier | slow | fast |
| Open weights | No | Yes |
| EU region | Yes | Yes |
| Free tier | No | La Plateforme |
| Prompt caching | Yes | No |
| Vision input | Yes | No |
| Extended thinking | Yes | No |
When to choose each
Choose Claude Fable 5 if…
- You need 1M context (4× more than Codestral 25.08)
- You need image input / vision
- Coding is central to your workload
- Reasoning is central to your workload
Choose Codestral 25.08 if…
- Cost is a priority ($0.30 / $0.90 per 1M vs $10 / $50 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
Benchmark delta
Claude Fable 5 leads on
- Coding
- Reasoning
- General knowledge
- Long-context retrieval
- Instruction following
- Multilingual
- Tool use
Codestral 25.08 leads on
Codestral 25.08 has no meaningful benchmark lead in this pair.
FAQ — Claude Fable 5 vs Codestral 25.08
Claude Fable 5 vs Codestral 25.08 — which is better?
Claude Fable 5 and Codestral 25.08 are both current production-tier models. Codestral 25.08 is meaningfully cheaper at $0.30 / $0.90 per 1M. Claude Fable 5 has a 1M context window — about 4× the 256k of Codestral 25.08. Claude Fable 5 leads on coding, reasoning, general knowledge. The right pick depends on your use case — see "When to choose each" above for a data-driven decision.
How does Claude Fable 5 pricing compare to Codestral 25.08?
Claude Fable 5 costs $10 / $50 per 1M vs Codestral 25.08 at $0.30 / $0.90 per 1M. Codestral 25.08 is cheaper on output tokens by roughly 5456%. Both support prompt caching, which reduces effective cost by 80-90% on repeat system prompts.
Does Claude Fable 5 or Codestral 25.08 have the bigger context window?
Claude Fable 5 has a 1M-token context window — 4× the 256k context of Codestral 25.08. Enough for entire codebases, books, or multi-document RAG.
Is there a free tier for Claude Fable 5 or Codestral 25.08?
Claude Fable 5: no — No free API tier; available via Claude.ai paid plans. Codestral 25.08: yes — Free tier for prototyping with rate limits.
Which is better for coding — Claude Fable 5 or Codestral 25.08?
Claude Fable 5 leads on coding benchmarks (Claude Fable 5: 98/100, Codestral 25.08: 90/100). For production coding agents also weigh tool-use performance — Claude Fable 5 scores 97, Codestral 25.08 scores 78.