Model comparison
Claude Instant vs Mistral Small 3.1
Mistral Small 3.1 has enough public results to be ranked (#269); Claude Instant does not yet, so treat this comparison as directional.
Last verified . 1 shared benchmarks.
Mistral AISummary
- They share 1 benchmark with published results for both. Claude Instant scores higher in 0 categories and Mistral Small 3.1 in 1 category, but none of those gaps is larger than the uncertainty.
- Mistral Small 3.1 has downloadable open weights; the other is API-only.
Side by side
| Claude Instant | Mistral Small 3.1 | |
|---|---|---|
| Provider | Anthropic | Mistral AI |
| Noometry Index | 29.5 | 31.7 |
| Released | 2023-08-09 | 2025-03-17 |
| Weights | Proprietary | Open |
| Context window | — | 128K |
| Max output | — | 102K |
| Input $ / M tokens | — | $0.35 |
| Output $ / M tokens | — | $0.56 |
| Results tracked | 7 | 28 |
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Category by category
Coding Not comparable
Claude Instant: —, Mistral Small 3.1: 38.3 (#179)
| Benchmark | Claude Instant | Mistral Small 3.1 |
|---|---|---|
| LMArena Coding | — | 1309 |
| HumanEval+ | 50.6% | — |
Reasoning Too close to call
Claude Instant: 19.6, Mistral Small 3.1: 19.7 (#254)
| Benchmark | Claude Instant | Mistral Small 3.1 |
|---|---|---|
| Epoch Capabilities Index | 120.28 | 127.48 |
| Chess Puzzles | — | 1% |
| LMArena Hard Prompts | — | 1278 |
| DTBench | 45.8% | — |
Math Not comparable
Claude Instant: —, Mistral Small 3.1: 14.7 (#301)
| Benchmark | Claude Instant | Mistral Small 3.1 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | — | 3.9% |
| Omni-MATH | — | 24.8% |
| LMArena Math | — | 1262 |
| GSM8K | 86.7% | — |
Knowledge Not comparable
Claude Instant: —, Mistral Small 3.1: 22.6 (#271)
| Benchmark | Claude Instant | Mistral Small 3.1 |
|---|---|---|
| GPQA Diamond | — | 41.9% |
| MMLU-Pro | — | 61% |
| GPQA (HELM) | — | 39.2% |
| LMArena Expert | — | 1257 |
| ARC (AI2) Challenge | 86.3% | — |
| MMLU | 73.4% | — |
| TriviaQA | 78.9% | — |
Multimodal Not comparable
Claude Instant: —, Mistral Small 3.1: 33.2 (#99)
| Benchmark | Claude Instant | Mistral Small 3.1 |
|---|---|---|
| LMArena Vision | — | 1136 |
Multilingual Not comparable
Claude Instant: —, Mistral Small 3.1: 41.2 (#209)
| Benchmark | Claude Instant | Mistral Small 3.1 |
|---|---|---|
| LMArena Non-English | — | 1255 |
| LMArena Chinese | — | 1253 |
| LMArena French | — | 1273 |
| LMArena German | — | 1266 |
| LMArena Japanese | — | 1208 |
| LMArena Korean | — | 1206 |
| LMArena Russian | — | 1263 |
| LMArena Spanish | — | 1283 |
Instruction Following Not comparable
Claude Instant: —, Mistral Small 3.1: 63.6 (#230)
| Benchmark | Claude Instant | Mistral Small 3.1 |
|---|---|---|
| IFEval | — | 75% |
| LMArena Instruction Following | — | 1264 |
Long Context Not comparable
Claude Instant: —, Mistral Small 3.1: 39.5 (#178)
| Benchmark | Claude Instant | Mistral Small 3.1 |
|---|---|---|
| LMArena Longer Query | — | 1299 |
Writing & Preference Not comparable
Claude Instant: —, Mistral Small 3.1: 37.0 (#259)
| Benchmark | Claude Instant | Mistral Small 3.1 |
|---|---|---|
| LMArena Text | — | 1277 |
| LMArena Creative Writing | — | 1253 |
| EQ-Bench Creative Writing | — | 761 |
| WildBench | — | 78.8% |
| LMArena Multi-Turn | — | 1270 |
Frequently asked questions
Is Claude Instant better than Mistral Small 3.1?
Mistral Small 3.1 has enough public results to be ranked (#269); Claude Instant does not yet, so treat this comparison as directional.
How many benchmarks do Claude Instant and Mistral Small 3.1 share?
1 benchmark has published results for both models. Claude Instant has 7 scored results on Noometry and Mistral Small 3.1 has 28.