Model comparison
GPT-5 vs Pixtral Large
GPT-5 is the stronger model overall, scoring 50.9 to 32.2 on the Noometry Index.
Last verified . 3 shared benchmarks.
Mistral AISummary
- They share 3 benchmarks with published results for both. GPT-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 GPT-5 leads 63.4 to 32.9.
- The biggest single-benchmark swing is EnigmaEval: 10.5% for GPT-5 and 0.8% for Pixtral Large.
- Pixtral Large is cheaper at $2 / $6 per million input/output tokens, against $1.25 / $10 for GPT-5.
- GPT-5 accepts more context: 400K tokens versus 128K.
- Pixtral Large has downloadable open weights; the other is API-only.
Side by side
| GPT-5 | Pixtral Large | |
|---|---|---|
| Provider | OpenAI | Mistral AI |
| Noometry Index | 50.9 | 32.2 |
| Released | 2025-08-07 | 2024-11-01 |
| Weights | Proprietary | Open |
| Context window | 400K | 128K |
| Max output | 128K | 128K |
| Input $ / M tokens | $1.25 | $2 |
| Output $ / M tokens | $10 | $6 |
| Results tracked | 69 | 3 |
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Category by category
Coding Not comparable
GPT-5: 50.3 (#47), Pixtral Large: —
| Benchmark | GPT-5 | Pixtral Large |
|---|---|---|
| SWE-bench Verified | 73.6% | — |
| SWE-bench Verified (bash only) | 65% | — |
| Aider Polyglot | 88% | — |
| LMArena WebDev | 1418 | — |
| SciCode | 42.9% | — |
| GSO | 6.9% | — |
| WeirdML | 60.7% | — |
| LMArena Coding | 1436 | — |
| ALE-Bench | 1,162 | — |
| AlgoTune | 1.67 | — |
Agentic & Tool Use Not comparable
GPT-5: 33.1 (#56), Pixtral Large: —
| Benchmark | GPT-5 | Pixtral Large |
|---|---|---|
| Terminal-Bench | 49.6% | — |
| GDPval | 34.8% | — |
| Remote Labor Index | 1.7% | — |
| DeepResearch Bench | 49.6% | — |
| BALROG | 32.8% | — |
| LMArena Search | 1133 | — |
| METR Time Horizons | 69.6% | — |
Reasoning GPT-5 leads
GPT-5: 38.3 (#64), Pixtral Large: 21.7 (#218)
| Benchmark | GPT-5 | Pixtral Large |
|---|---|---|
| EnigmaEval | 10.5% | 0.8% |
| ARC-AGI-2 | 9.9% | — |
| SimpleBench | 56.7% | — |
| Kagi LLM Benchmark | 72.7% | — |
| ARC-AGI-1 | 65.7% | — |
| CritPt | 12.6% | — |
| Chess Puzzles | 37% | — |
| EBR-Bench | 12.7% | — |
| LMArena Hard Prompts | 1416 | — |
| Mystery Game Puzzles | 23% | — |
| DTBench | 90.7% | — |
| LMCA | 40% | — |
| Epoch Capabilities Index | 150 | — |
| ForecastBench | 61.4 | — |
Math Not comparable
GPT-5: 55.0 (#44), Pixtral Large: —
| Benchmark | GPT-5 | Pixtral Large |
|---|---|---|
| FrontierMath (Tiers 1-3) | 55.4% | — |
| FrontierMath Tier 4 | 22% | — |
| OTIS Mock AIME 2024-2025 | 91.4% | — |
| ProofBench | 18% | — |
| Omni-MATH | 64.7% | — |
| LMArena Math | 1407 | — |
| MATH Level 5 | 98.1% | — |
| FrontierMath (Feb 2025 set) | 32.4% | — |
| FrontierMath Tier 4 (v1) | 12.5% | — |
Knowledge Not comparable
GPT-5: 56.6 (#43), Pixtral Large: —
| Benchmark | GPT-5 | Pixtral Large |
|---|---|---|
| GPQA Diamond | 86.2% | — |
| Humanity's Last Exam | 25.3% | — |
| SimpleQA Verified | 50.1% | — |
| MMLU-Pro | 86.3% | — |
| Confabulations | 10.3% | — |
| Vectara Hallucination Rate | 14.7% | — |
| GPQA (HELM) | 79.2% | — |
| LMArena Expert | 1419 | — |
Multimodal GPT-5 leads
GPT-5: 46.8 (#13), Pixtral Large: 30.6 (#111)
| Benchmark | GPT-5 | Pixtral Large |
|---|---|---|
| LMArena Vision | 1232 | 1089 |
| GeoBench | 81% | — |
| VPCT | 66% | — |
Multilingual Not comparable
GPT-5: 51.4 (#110), Pixtral Large: —
| Benchmark | GPT-5 | Pixtral Large |
|---|---|---|
| LMArena Non-English | 1397 | — |
| LMArena Chinese | 1422 | — |
| LMArena French | 1410 | — |
| LMArena German | 1416 | — |
| LMArena Japanese | 1409 | — |
| LMArena Korean | 1360 | — |
| LMArena Russian | 1406 | — |
| LMArena Spanish | 1399 | — |
Instruction Following Not comparable
GPT-5: 73.8 (#113), Pixtral Large: —
| Benchmark | GPT-5 | Pixtral Large |
|---|---|---|
| IFEval | 87.5% | — |
| LMArena Instruction Following | 1388 | — |
Long Context Not comparable
GPT-5: 69.5 (#2), Pixtral Large: —
| Benchmark | GPT-5 | Pixtral Large |
|---|---|---|
| Fiction.LiveBench | 97.2% | — |
| LMArena Longer Query | 1399 | — |
Writing & Preference GPT-5 leads
GPT-5: 63.4 (#65), Pixtral Large: 32.9 (#278)
| Benchmark | GPT-5 | Pixtral Large |
|---|---|---|
| EQ-Bench Creative Writing | 1627 | 988 |
| LMArena Text | 1406 | — |
| LMArena Creative Writing | 1365 | — |
| Short-Story Creative Writing | 86% | — |
| WildBench | 85.7% | — |
| LMArena Multi-Turn | 1426 | — |
Frequently asked questions
Is GPT-5 better than Pixtral Large?
GPT-5 is the stronger model overall, scoring 50.9 to 32.2 on the Noometry Index.
Which is cheaper, GPT-5 or Pixtral Large?
Pixtral Large is cheaper. It lists at $2 per million input tokens and $6 per million output tokens; GPT-5 lists at $1.25 and $10.
Which has the bigger context window?
GPT-5 does, with 400K tokens against 128K.
How many benchmarks do GPT-5 and Pixtral Large share?
3 benchmarks have published results for both models. GPT-5 has 69 scored results on Noometry and Pixtral Large has 3.