Model comparison
Claude Haiku 5.5 vs Mistral
Claude Haiku 5.5 is the stronger model overall, scoring 49.5 to 29.9 on the Noometry Index.
Last verified . 0 shared benchmarks.
Mistral AISummary
- The widest gap is in math, where Claude Haiku 5.5 leads 73.6 to 22.3.
Side by side
| Claude Haiku 5.5 | Mistral | |
|---|---|---|
| Provider | Anthropic | Mistral AI |
| Noometry Index | 49.5 | 29.9 |
| Released | 2026-10-07 | — |
| Weights | Proprietary | Proprietary |
| Context window | 1M | — |
| Max output | 128K | — |
| Input $ / M tokens | $0.10 | — |
| Output $ / M tokens | $0.50 | — |
| Results tracked | 9 | 22 |
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Category by category
Coding Claude Haiku 5.5 leads
Claude Haiku 5.5: 49.2 (#50), Mistral: 33.8 (#250)
| Benchmark | Claude Haiku 5.5 | Mistral |
|---|---|---|
| LMArena WebDev | 1587 | — |
| LMArena Coding | — | 1162 |
Reasoning Claude Haiku 5.5 leads
Claude Haiku 5.5: 35.2 (#69), Mistral: 22.2 (#200)
| Benchmark | Claude Haiku 5.5 | Mistral |
|---|---|---|
| NYT Connections (extended) | 65.7% | — |
| LMArena Hard Prompts | — | 1149 |
| Mystery Game Puzzles | 30% | — |
Math Claude Haiku 5.5 leads
Claude Haiku 5.5: 73.6 (#18), Mistral: 22.3 (#278)
| Benchmark | Claude Haiku 5.5 | Mistral |
|---|---|---|
| FrontierMath (Tiers 1-3) | 75.1% | — |
| FrontierMath Tier 4 | 46.3% | — |
| OTIS Mock AIME 2024-2025 | 98.9% | — |
| Omni-MATH | — | 7.2% |
| LMArena Math | — | 1180 |
Knowledge Claude Haiku 5.5 leads
Claude Haiku 5.5: 50.8 (#70), Mistral: 16.6 (#288)
| Benchmark | Claude Haiku 5.5 | Mistral |
|---|---|---|
| GPQA Diamond | 89.6% | — |
| SimpleQA Verified | 23.8% | — |
| MMLU-Pro | — | 27.7% |
| GPQA (HELM) | — | 30.3% |
| LMArena Expert | — | 1125 |
Multimodal Not comparable
Claude Haiku 5.5: 43.7 (#21), Mistral: —
| Benchmark | Claude Haiku 5.5 | Mistral |
|---|---|---|
| Furniture Assembly | 47.5% | — |
Multilingual Not comparable
Claude Haiku 5.5: —, Mistral: 32.8 (#254)
| Benchmark | Claude Haiku 5.5 | Mistral |
|---|---|---|
| LMArena Non-English | — | 1129 |
| LMArena Chinese | — | 1109 |
| LMArena French | — | 1180 |
| LMArena German | — | 1155 |
| LMArena Japanese | — | 1013 |
| LMArena Korean | — | 1032 |
| LMArena Russian | — | 1168 |
| LMArena Spanish | — | 1143 |
Instruction Following Not comparable
Claude Haiku 5.5: —, Mistral: 52.6 (#288)
| Benchmark | Claude Haiku 5.5 | Mistral |
|---|---|---|
| IFEval | — | 56.8% |
| LMArena Instruction Following | — | 1152 |
Long Context Not comparable
Claude Haiku 5.5: —, Mistral: 35.0 (#245)
| Benchmark | Claude Haiku 5.5 | Mistral |
|---|---|---|
| LMArena Longer Query | — | 1153 |
Writing & Preference Not comparable
Claude Haiku 5.5: —, Mistral: 37.0 (#260)
| Benchmark | Claude Haiku 5.5 | Mistral |
|---|---|---|
| LMArena Text | — | 1165 |
| LMArena Creative Writing | — | 1158 |
| WildBench | — | 66% |
| LMArena Multi-Turn | — | 1147 |
Frequently asked questions
Is Claude Haiku 5.5 better than Mistral?
Claude Haiku 5.5 is the stronger model overall, scoring 49.5 to 29.9 on the Noometry Index.
Is Claude Haiku 5.5 or Mistral better for coding?
Claude Haiku 5.5 scores higher on coding benchmarks: 49.2 versus 33.8 in the Noometry coding category.
How many benchmarks do Claude Haiku 5.5 and Mistral share?
0 benchmarks have published results for both models. Claude Haiku 5.5 has 9 scored results on Noometry and Mistral has 22.