Codestral 25.08 vs DeepSeek V4 Pro

Codestral 25.08 and DeepSeek V4 Pro are both current production-tier models. DeepSeek V4 Pro has a 1M context window — about 4× the 256k of Codestral 25.08. DeepSeek V4 Pro leads on reasoning, general knowledge, long-context retrieval.

Specs side by side

Metric
Mistral AI
Codestral 25.08
DeepSeek
DeepSeek V4 Pro
Input price (per 1M)$0.3$0.435
Output price (per 1M)$0.9$0.87
Context window256k tokens1M tokens
Speed tierfastbalanced
Open weightsYesYes
EU regionYesNo
Free tierLa PlateformeNo
Prompt cachingNoYes
Vision inputNoNo
Extended thinkingNoYes

When to choose each

Mistral AI Free tier

Choose Codestral 25.08 if…

  • EU data residency is required
  • HIPAA eligibility is required
  • You want a free tier for prototyping
DeepSeek

Choose DeepSeek V4 Pro if…

  • You need 1M context (4× more than Codestral 25.08)
  • 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.

DeepSeek V4 Pro leads on

  • Reasoning
  • General knowledge
  • Long-context retrieval
  • Instruction following
  • Multilingual
  • Tool use

FAQ — Codestral 25.08 vs DeepSeek V4 Pro

Codestral 25.08 vs DeepSeek V4 Pro — which is better?

Codestral 25.08 and DeepSeek V4 Pro are both current production-tier models. DeepSeek V4 Pro has a 1M context window — about 4× the 256k of Codestral 25.08. DeepSeek V4 Pro leads on reasoning, general knowledge, long-context retrieval. 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 DeepSeek V4 Pro?

Codestral 25.08 costs $0.30 / $0.90 per 1M vs DeepSeek V4 Pro at $0.43 / $0.87 per 1M. DeepSeek V4 Pro is cheaper on output tokens by roughly 3%. Both support prompt caching, which reduces effective cost by 80-90% on repeat system prompts.

Does Codestral 25.08 or DeepSeek V4 Pro have the bigger context window?

DeepSeek V4 Pro 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 Codestral 25.08 or DeepSeek V4 Pro?

Codestral 25.08: yes — Free tier for prototyping with rate limits. DeepSeek V4 Pro: no — No free tier on the official API — but at $0.435/$0.87 per 1M it is near-free vs frontier peers.

Which is better for coding — Codestral 25.08 or DeepSeek V4 Pro?

DeepSeek V4 Pro leads on coding benchmarks (Codestral 25.08: 90/100, DeepSeek V4 Pro: 91/100). For production coding agents also weigh tool-use performance — Codestral 25.08 scores 78, DeepSeek V4 Pro scores 86.