Model comparison
Claude Sonnet 5 vs Pixtral Large
Claude Sonnet 5 is the stronger model overall, scoring 54.6 to 32.2 on the Noometry Index.
Last verified . 2 shared benchmarks.
Mistral AISummary
- They share 2 benchmarks with published results for both. Claude Sonnet 5 scores higher in 3 categories and Pixtral Large in 0 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Claude Sonnet 5 leads 69.2 to 32.9.
- Pixtral Large is cheaper at $2 / $6 per million input/output tokens, against $2 / $10 for Claude Sonnet 5.
- Claude Sonnet 5 accepts more context: 1M tokens versus 128K.
- Pixtral Large has downloadable open weights; the other is API-only.
Side by side
| Claude Sonnet 5 | Pixtral Large | |
|---|---|---|
| Provider | Anthropic | Mistral AI |
| Noometry Index | 54.6 | 32.2 |
| Released | 2026-06-29 | 2024-11-01 |
| Weights | Proprietary | Open |
| Context window | 1M | 128K |
| Max output | 128K | 128K |
| Input $ / M tokens | $2 | $2 |
| Output $ / M tokens | $10 | $6 |
| Results tracked | 51 | 3 |
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Category by category
Coding Not comparable
Claude Sonnet 5: 55.5 (#26), Pixtral Large: —
| Benchmark | Claude Sonnet 5 | Pixtral Large |
|---|---|---|
| DeepSWE | 53.8% | — |
| FrontierCode | 42.7% | — |
| CursorBench | 34.1% | — |
| LMArena WebDev | 1541 | — |
| SciCode | 54.3% | — |
| GSO | 37.3% | — |
| WeirdML | 68.8% | — |
| LMArena Coding | 1483 | — |
| ALE-Bench | 1,463 | — |
Agentic & Tool Use Not comparable
Claude Sonnet 5: 42.8 (#18), Pixtral Large: —
| Benchmark | Claude Sonnet 5 | Pixtral Large |
|---|---|---|
| APEX-Agents | 54.5% | — |
| GBAEval | 65.3% | — |
| LMArena Search | 1194 | — |
| Vending-Bench 2 | 6,378 | — |
Reasoning Claude Sonnet 5 leads
Claude Sonnet 5: 49.1 (#39), Pixtral Large: 21.7 (#218)
| Benchmark | Claude Sonnet 5 | Pixtral Large |
|---|---|---|
| SimpleBench | 60.6% | — |
| NYT Connections (extended) | 75.1% | — |
| CritPt | 16.9% | — |
| Chess Puzzles | 35% | — |
| EnigmaEval | — | 0.8% |
| LMArena Hard Prompts | 1461 | — |
| Mystery Game Puzzles | 35% | — |
| DTBench | 92.5% | — |
| LMCA | 50% | — |
| Surface Evolver Bench | 60% | — |
| Bench to the Future 3 | 0.14 | — |
| Epoch Capabilities Index | 156.21 | — |
| ForecastBench | 61.1 | — |
Math Not comparable
Claude Sonnet 5: 66.2 (#27), Pixtral Large: —
| Benchmark | Claude Sonnet 5 | Pixtral Large |
|---|---|---|
| FrontierMath (Tiers 1-3) | 65.6% | — |
| FrontierMath Tier 4 | 29.3% | — |
| OTIS Mock AIME 2024-2025 | 94.7% | — |
| ProofBench | 77% | — |
| LMArena Math | 1467 | — |
Knowledge Not comparable
Claude Sonnet 5: 55.6 (#47), Pixtral Large: —
| Benchmark | Claude Sonnet 5 | Pixtral Large |
|---|---|---|
| GPQA Diamond | 90.5% | — |
| SimpleQA Verified | 33.7% | — |
| LMArena Expert | 1490 | — |
Multimodal Claude Sonnet 5 leads
Claude Sonnet 5: 42.4 (#31), Pixtral Large: 30.6 (#111)
| Benchmark | Claude Sonnet 5 | Pixtral Large |
|---|---|---|
| LMArena Vision | 1274 | 1089 |
| Blueprint-Bench 2 | 24.9% | — |
| LMArena Document | 1466 | — |
Multilingual Not comparable
Claude Sonnet 5: 53.8 (#55), Pixtral Large: —
| Benchmark | Claude Sonnet 5 | Pixtral Large |
|---|---|---|
| LMArena Non-English | 1431 | — |
| LMArena Chinese | 1477 | — |
| LMArena French | 1460 | — |
| LMArena German | 1440 | — |
| LMArena Japanese | 1422 | — |
| LMArena Korean | 1411 | — |
| LMArena Russian | 1451 | — |
| LMArena Spanish | 1437 | — |
Instruction Following Not comparable
Claude Sonnet 5: 76.3 (#41), Pixtral Large: —
| Benchmark | Claude Sonnet 5 | Pixtral Large |
|---|---|---|
| LMArena Instruction Following | 1452 | — |
Long Context Not comparable
Claude Sonnet 5: 44.8 (#55), Pixtral Large: —
| Benchmark | Claude Sonnet 5 | Pixtral Large |
|---|---|---|
| LMArena Longer Query | 1463 | — |
Writing & Preference Claude Sonnet 5 leads
Claude Sonnet 5: 69.2 (#25), Pixtral Large: 32.9 (#278)
| Benchmark | Claude Sonnet 5 | Pixtral Large |
|---|---|---|
| EQ-Bench Creative Writing | 1794 | 988 |
| LMArena Text | 1442 | — |
| LMArena Creative Writing | 1416 | — |
| EQ-Bench 4 | 1236 | — |
| LMArena Multi-Turn | 1454 | — |
Frequently asked questions
Is Claude Sonnet 5 better than Pixtral Large?
Claude Sonnet 5 is the stronger model overall, scoring 54.6 to 32.2 on the Noometry Index.
Which is cheaper, Claude Sonnet 5 or Pixtral Large?
Pixtral Large is cheaper. It lists at $2 per million input tokens and $6 per million output tokens; Claude Sonnet 5 lists at $2 and $10.
Which has the bigger context window?
Claude Sonnet 5 does, with 1M tokens against 128K.
How many benchmarks do Claude Sonnet 5 and Pixtral Large share?
2 benchmarks have published results for both models. Claude Sonnet 5 has 51 scored results on Noometry and Pixtral Large has 3.