Model comparison
GPT-5 Mini vs Mixtral 8x22B
GPT-5 Mini is the stronger model overall, scoring 41.8 to 27.1 on the Noometry Index.
Last verified . 28 shared benchmarks.
Mistral AISummary
- They share 28 benchmarks with published results for both. GPT-5 Mini scores higher in 9 categories and Mixtral 8x22B in 0 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where GPT-5 Mini leads 45.6 to 15.1.
- The biggest single-benchmark swing is MATH Level 5: 97.8% for GPT-5 Mini and 24.2% for Mixtral 8x22B.
- GPT-5 Mini is cheaper at $0.25 / $2 per million input/output tokens, against $2 / $6 for Mixtral 8x22B.
- GPT-5 Mini accepts more context: 400K tokens versus 64K.
- Mixtral 8x22B has downloadable open weights; the other is API-only.
Side by side
| GPT-5 Mini | Mixtral 8x22B | |
|---|---|---|
| Provider | OpenAI | Mistral AI |
| Noometry Index | 41.8 | 27.1 |
| Released | 2025-08-07 | 2024-04-17 |
| Weights | Proprietary | Open |
| Context window | 400K | 64K |
| Max output | 128K | 64K |
| Input $ / M tokens | $0.25 | $2 |
| Output $ / M tokens | $2 | $6 |
| Results tracked | 60 | 34 |
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Category by category
Coding GPT-5 Mini leads
GPT-5 Mini: 40.1 (#146), Mixtral 8x22B: 24.2 (#329)
| Benchmark | GPT-5 Mini | Mixtral 8x22B |
|---|---|---|
| WeirdML | 52.7% | 3.2% |
| LMArena Coding | 1406 | 1166 |
| SWE-bench Verified | 64.7% | — |
| SWE-bench Verified (bash only) | 59.8% | — |
| SWE-bench Multilingual | 39.7% | — |
| SciCode | 39.2% | — |
| BigCodeBench Instruct | — | 40.6% |
| BigCodeBench Complete | — | 50.2% |
| ALE-Bench | 799.77 | — |
| AlgoTune | 1.38 | — |
| HumanEval+ | — | 72% |
| MBPP+ | — | 64.3% |
Agentic & Tool Use GPT-5 Mini leads
GPT-5 Mini: 31.1 (#70), Mixtral 8x22B: 23.1 (#127)
| Benchmark | GPT-5 Mini | Mixtral 8x22B |
|---|---|---|
| Terminal-Bench | 34.8% | — |
| Berkeley Function Calling Leaderboard | 55.5% | — |
| Cybench | — | 7.5% |
| Vending-Bench 2 | -31.18 | — |
Reasoning GPT-5 Mini leads
GPT-5 Mini: 23.9 (#168), Mixtral 8x22B: 19.9 (#248)
| Benchmark | GPT-5 Mini | Mixtral 8x22B |
|---|---|---|
| LMArena Hard Prompts | 1380 | 1150 |
| DTBench | 80.5% | 55.1% |
| Epoch Capabilities Index | 145.52 | 122.03 |
| ForecastBench | 61 | 56.3 |
| ARC-AGI-2 | 4.4% | — |
| Kagi LLM Benchmark | 70.3% | — |
| ARC-AGI-1 | 54.3% | — |
| CritPt | 0% | — |
| Chess Puzzles | 30% | — |
| EnigmaEval | 8.2% | — |
| Mystery Game Puzzles | 10% | — |
| LMCA | 34.2% | — |
Math GPT-5 Mini leads
GPT-5 Mini: 46.7 (#69), Mixtral 8x22B: 22.9 (#275)
| Benchmark | GPT-5 Mini | Mixtral 8x22B |
|---|---|---|
| Omni-MATH | 72.2% | 16.3% |
| LMArena Math | 1378 | 1184 |
| MATH Level 5 | 97.8% | 24.2% |
| FrontierMath (Tiers 1-3) | 46.7% | — |
| FrontierMath Tier 4 | 12.2% | — |
| OTIS Mock AIME 2024-2025 | 86.7% | — |
| ProofBench | 9% | — |
| FrontierMath (Feb 2025 set) | 27.2% | — |
| FrontierMath Tier 4 (v1) | 6.3% | — |
Knowledge GPT-5 Mini leads
GPT-5 Mini: 45.6 (#86), Mixtral 8x22B: 15.1 (#293)
| Benchmark | GPT-5 Mini | Mixtral 8x22B |
|---|---|---|
| GPQA Diamond | 75% | 34.1% |
| MMLU-Pro | 83.5% | 46% |
| GPQA (HELM) | 75.6% | 33.4% |
| LMArena Expert | 1379 | 1113 |
| Humanity's Last Exam | 19.4% | — |
| SimpleQA Verified | 21.6% | — |
| Confabulations | 13.3% | — |
| Vectara Hallucination Rate | 12.9% | — |
| MMLU | — | 77.8% |
Multimodal Not comparable
GPT-5 Mini: 35.6 (#85), Mixtral 8x22B: —
| Benchmark | GPT-5 Mini | Mixtral 8x22B |
|---|---|---|
| LMArena Vision | 1202 | — |
| VPCT | 40.2% | — |
Multilingual GPT-5 Mini leads
GPT-5 Mini: 48.9 (#137), Mixtral 8x22B: 32.8 (#255)
| Benchmark | GPT-5 Mini | Mixtral 8x22B |
|---|---|---|
| LMArena Non-English | 1363 | 1128 |
| LMArena Chinese | 1385 | 1116 |
| LMArena French | 1386 | 1166 |
| LMArena German | 1366 | 1141 |
| LMArena Japanese | 1341 | 1037 |
| LMArena Korean | 1308 | 1057 |
| LMArena Russian | 1362 | 1158 |
| LMArena Spanish | 1355 | 1151 |
Instruction Following GPT-5 Mini leads
GPT-5 Mini: 76.2 (#46), Mixtral 8x22B: 57.7 (#266)
| Benchmark | GPT-5 Mini | Mixtral 8x22B |
|---|---|---|
| IFEval | 92.7% | 72.4% |
| LMArena Instruction Following | 1357 | 1147 |
Long Context GPT-5 Mini leads
GPT-5 Mini: 41.9 (#132), Mixtral 8x22B: 34.7 (#247)
| Benchmark | GPT-5 Mini | Mixtral 8x22B |
|---|---|---|
| LMArena Longer Query | 1355 | 1144 |
| Fiction.LiveBench | 69.4% | — |
Writing & Preference GPT-5 Mini leads
GPT-5 Mini: 55.2 (#148), Mixtral 8x22B: 36.9 (#262)
| Benchmark | GPT-5 Mini | Mixtral 8x22B |
|---|---|---|
| LMArena Text | 1373 | 1162 |
| LMArena Creative Writing | 1325 | 1141 |
| WildBench | 85.5% | 71.1% |
| LMArena Multi-Turn | 1363 | 1130 |
| Short-Story Creative Writing | 83.1% | — |
| EQ-Bench Creative Writing | 1313 | — |
Frequently asked questions
Is GPT-5 Mini better than Mixtral 8x22B?
GPT-5 Mini is the stronger model overall, scoring 41.8 to 27.1 on the Noometry Index.
Which is cheaper, GPT-5 Mini or Mixtral 8x22B?
GPT-5 Mini is cheaper. It lists at $0.25 per million input tokens and $2 per million output tokens; Mixtral 8x22B lists at $2 and $6.
Is GPT-5 Mini or Mixtral 8x22B better for coding?
GPT-5 Mini scores higher on coding benchmarks: 40.1 versus 24.2 in the Noometry coding category.
Which has the bigger context window?
GPT-5 Mini does, with 400K tokens against 64K.
How many benchmarks do GPT-5 Mini and Mixtral 8x22B share?
28 benchmarks have published results for both models. GPT-5 Mini has 60 scored results on Noometry and Mixtral 8x22B has 34.