Model comparison
Claude 4.1 Opus vs Mistral Small 4
Head-to-head evidence from 1 shared benchmark result across 1 category. Overall scores shown here use the public BenchAlign v5 ranking lane.
Public leaderboard positions: Claude 4.1 Opus #142 (Supported); Mistral Small 4 #140 (Estimated). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. Claude 4.1 Opus and Mistral Small 4 share 1 comparable benchmark result. 0 of 8 categories are comparable. 3 results are unique to Claude 4.1 Opus; 15 to Mistral Small 4.
Updated July 23, 2026- Shared results
- 1
- Claude 4.1 Opus only
- 3
- Mistral Small 4 only
- 15
- Comparable categories
- 0 / 8
Benchmark data for Claude 4.1 Opus and Mistral Small 4 is coming soon on BenchLM.
Confidence note. This is a partial-evidence comparison with 1 shared benchmark result across 1 evidence category; 0 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
BenchLM has partial data for these models, but not enough overlapping benchmark coverage to produce a fair score-level comparison yet.
Claude 4.1 Opus is priced at $15.00 input / $75.00 output per 1M tokens, versus $0.15 input / $0.60 output per 1M tokens for Mistral Small 4. Mistral Small 4 has the larger context window at 256K, compared with 200K for Claude 4.1 Opus.
Category breakdown
Exact category averages are shown below. Not measured means BenchLM does not have enough sourced public coverage for that model and category.
| Category | Claude 4.1 Opus | Δ | Mistral Small 4 |
|---|---|---|---|
| Coding | Claude 4.1 Opus74.5 | MarginNo overlap | Mistral Small 4Not measured |
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Claude 4.1 Opus | Mistral Small 4 | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Claude 4.1 Opus$15 input / $75 output | Mistral Small 4$0.15 input / $0.6 output | Mistral Small 4 has the lower combined listed price. |
| Generation speedtokens per second | Claude 4.1 Opus29 tok/s | Mistral Small 4175 tok/s | Mistral Small 4 has the higher measured throughput. |
| First-answer latencyseconds to first token | Claude 4.1 Opus1.66 s | Mistral Small 40.64 s | Mistral Small 4 reaches the first token sooner. |
| Context windowmaximum listed tokens | Claude 4.1 Opus200K | Mistral Small 4256K | Mistral Small 4 lists the larger context window. |
Benchmark Deep Dive
Agentic5 benchmarks
Coding3 benchmarks
Reasoning2 benchmarks
Knowledge6 benchmarks
| Benchmark | Claude 4.1 Opus | Mistral Small 4 | Result |
|---|---|---|---|
| Artificial Analysis Intelligence IndexSource | 28.2% | 19.6% | Claude 4.1 Opus leads |
| AA-GPQA DiamondSource | — | 76.9% | Not comparable |
| AA-HLESource | — | 9.5% | Not comparable |
| AA-Omniscience IndexSource | — | -29.9% | Not comparable |
| AA-Omniscience AccuracySource | — | 22.1% | Not comparable |
| AA-Omniscience Hallucination RateSource | — | 66.8% | Not comparable |
Multimodal2 benchmarks
Inst. Following1 benchmarks
| Benchmark | Claude 4.1 Opus | Mistral Small 4 | Result |
|---|---|---|---|
| AA-IFBenchSource | — | 48.2% | Not comparable |
Frequently Asked Questions (3)
Can I compare Claude 4.1 Opus and Mistral Small 4 on BenchLM yet?
Not fully yet. BenchLM is tracking both models, but the sourced benchmark breakdown for this comparison is still coming soon.
Why does this comparison show “coming soon”?
BenchLM only shows category winners and benchmark-level calls when we have sourced results that can be compared fairly. For these models, the public benchmark coverage is not complete enough yet.
What data is available for Claude 4.1 Opus and Mistral Small 4 today?
Claude 4.1 Opus: $15.00 input / $75.00 output per 1M tokens Mistral Small 4: $0.15 input / $0.60 output per 1M tokens Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.
Self-host vs API cost
Estimates at 50,000 req/day · 1000 tokens/req average.
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