Claude Opus 4 vs Mistral Medium
A complete head-to-head: pricing, context window, benchmarks, modality coverage, and openness, with a programmatic verdict synthesized from the underlying data.
Updated
Claude Opus 4 specs · Mistral Medium specs- PriceMistral Medium
Mistral Medium is roughly 37.5× cheaper on output tokens ($2.00 vs $75.00 per 1M).
- Context windowClaude Opus 4
Claude Opus 4 accepts 200K tokens vs 128K, 1.6× the room for long documents and codebases.
- BenchmarksTie
No directly comparable public benchmarks are available for both models, check the spec sheets for individual scores.
- ModalitiesClaude Opus 4
Claude Opus 4 supports 2 modalities (text, vision) vs 1 for Mistral Medium.
- OpennessTie
Both are closed-weight, API-only.
On balance Claude Opus 4 edges ahead, winning 2 of 5 categories against Mistral Medium's 1. Mistral Medium is roughly 37.5× cheaper on output tokens ($2.00 vs $75.00 per 1M). Claude Opus 4 accepts 200K tokens vs 128K, 1.6× the room for long documents and codebases.
No directly comparable public benchmarks are available for both models, check the spec sheets for individual scores. They differ in modality coverage, Claude Opus 4 handles text, vision while Mistral Medium handles text, which can be the deciding factor before you even look at benchmarks. Both are closed-weight, API-only.
Claude Opus 4 is the newer of the two, released 5 months after Mistral Medium, which usually means a more recent knowledge cutoff and updated safety post-training. Claude Opus 4 is usually picked for coding llm and coding agent workloads, while Mistral Medium sees more deployments in customer support and chatbots. If pricing matters more than every last benchmark point, run the numbers in the calculator below before committing.
Side-by-side specs
| Spec | Claude Opus 4 | Mistral Medium |
|---|---|---|
| Provider | Anthropic | Mistral |
| Released | May 2025 | Dec 2024 |
| Modalities | text, vision | text |
| Context window | 200K tokens | 128K tokens |
| Max output | , | , |
| Input · 1M | $15.00 / 1M tokens | $0.40 / 1M tokens |
| Output · 1M | $75.00 / 1M tokens | $2.00 / 1M tokens |
| Knowledge cutoff | 2025-03 | , |
| Open weights | No | No |
| API available | Yes | Yes |
Pricing at scale
What you'd actually pay at typical workloads. Numbers come from each model's published per-million-token rates.
- Light usage, 100k in / 50k out per day$158 vs $4.20
- Heavy usage, 1M in / 500k out per day$1,575 vs $42.00
- RAG workload, 5M in / 200k out per day$2,700 vs $72.00
Light usage, 100k in / 50k out per day: $158 vs $4.20 per month, model B comes out ahead. Heavy usage, 1M in / 500k out per day: $1,575 vs $42.00 per month, model B comes out ahead. RAG workload, 5M in / 200k out per day: $2,700 vs $72.00 per month, model B comes out ahead.
Estimated spend for the listed models at your usage. Numbers are derived from each model's published per-million-token rates.
- Claude Opus 4$5.25
- Mistral Medium$0.140
Benchmarks compared
Only sourced numbers. Where a benchmark is missing for one model we show the available value rather than fabricating the other.
- HumanEval95.0
- SWE-bench Verified72.5
Claude Opus 4 fits when…
- Set the SWE-bench bar at launch
- Excellent for writing and code
- Strong long-context handling
- Long-context tasks, handles 200K tokens vs 128K for Mistral Medium.
- Multimodal needs covering vision.
Mistral Medium fits when…
- Mid-tier balance
- EU-friendly
- Cost-sensitive workloads, 37.5× cheaper than Claude Opus 4 on output tokens.
Consider Claude Opus 4.7
Anthropic's mid-2026 flagship, ahead on SWE-bench, agent reliability, and writing quality.
Frequently asked
Is Claude Opus 4 or Mistral Medium cheaper?
Mistral Medium is cheaper at $2.00 / 1M tokens per million output tokens, vs $75.00 / 1M tokens for Claude Opus 4.Which has the larger context window?
Claude Opus 4 accepts 200K tokens vs 128K for Mistral Medium.Is Claude Opus 4 or Mistral Medium better for coding?
Both Claude Opus 4 and Mistral Medium are competitive on coding benchmarks. See each model's individual spec page for HumanEval and SWE-bench scores where published. For an opinionated pick, consult our Best LLM for Coding ranking.Are either of these models open source?
Neither model ships open weights, both are accessible only via their respective providers' APIs.When were Claude Opus 4 and Mistral Medium released?
Claude Opus 4 was released by Anthropic on 2025-05-22. Mistral Medium was released by Mistral on 2024-12-18.
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