Model comparison
GPT-4o vs Mixtral 8x22B
GPT-4o is the stronger model overall, scoring 28.6 to 27.1 on the Noometry Index.
Last verified . 34 shared benchmarks.
Mistral AISummary
- They share 34 benchmarks with published results for both. GPT-4o scores higher in 6 categories and Mixtral 8x22B in 3 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where GPT-4o leads 52.6 to 36.9.
- The biggest single-benchmark swing is MATH Level 5: 53.3% for GPT-4o and 24.2% for Mixtral 8x22B.
- Mixtral 8x22B is cheaper at $2 / $6 per million input/output tokens, against $2.50 / $10 for GPT-4o.
- GPT-4o accepts more context: 128K tokens versus 64K.
- Mixtral 8x22B has downloadable open weights; the other is API-only.
Side by side
| GPT-4o | Mixtral 8x22B | |
|---|---|---|
| Provider | OpenAI | Mistral AI |
| Noometry Index | 28.6 | 27.1 |
| Released | 2024-05-13 | 2024-04-17 |
| Weights | Proprietary | Open |
| Context window | 128K | 64K |
| Max output | 16K | 64K |
| Input $ / M tokens | $2.50 | $2 |
| Output $ / M tokens | $10 | $6 |
| Results tracked | 72 | 34 |
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Category by category
Coding Too close to call
GPT-4o: 24.8 (#328), Mixtral 8x22B: 24.2 (#329)
| Benchmark | GPT-4o | Mixtral 8x22B |
|---|---|---|
| WeirdML | 25.1% | 3.2% |
| BigCodeBench Instruct | 51.1% | 40.6% |
| LMArena Coding | 1297 | 1166 |
| BigCodeBench Complete | 61.1% | 50.2% |
| HumanEval+ | 87.2% | 72% |
| MBPP+ | 72.2% | 64.3% |
| SWE-bench Verified | 31% | — |
| SWE-bench Verified (bash only) | 21.6% | — |
| Aider Polyglot | 45.3% | — |
| GSO | 0% | — |
| LiveBench Coding | 51.4% | — |
| CadEval | 26% | — |
Agentic & Tool Use Mixtral 8x22B leads
GPT-4o: 21.0 (#141), Mixtral 8x22B: 23.1 (#127)
| Benchmark | GPT-4o | Mixtral 8x22B |
|---|---|---|
| Cybench | 12.5% | 7.5% |
| GDPval | 9.9% | — |
| TheAgentCompany | 8.6% | — |
| BALROG | 32.3% | — |
| LMArena Search | 1006 | — |
| METR Time Horizons | 40.8% | — |
Reasoning Mixtral 8x22B leads
GPT-4o: 9.4 (#343), Mixtral 8x22B: 19.9 (#248)
| Benchmark | GPT-4o | Mixtral 8x22B |
|---|---|---|
| LMArena Hard Prompts | 1281 | 1150 |
| DTBench | 64.5% | 55.1% |
| Epoch Capabilities Index | 128.97 | 122.03 |
| ForecastBench | 57.7 | 56.3 |
| ARC-AGI-2 | 0% | — |
| SimpleBench | 17.8% | — |
| ARC-AGI-1 | 4.5% | — |
| CritPt | 0% | — |
| Chess Puzzles | 13% | — |
| EnigmaEval | 0.8% | — |
| LiveBench Reasoning | 55.8% | — |
| LiveBench Data Analysis | 60.9% | — |
| LMCA | 16.6% | — |
| LiveBench | 55.3% | — |
Math Mixtral 8x22B leads
GPT-4o: 10.6 (#312), Mixtral 8x22B: 22.9 (#275)
| Benchmark | GPT-4o | Mixtral 8x22B |
|---|---|---|
| Omni-MATH | 29.3% | 16.3% |
| LMArena Math | 1285 | 1184 |
| MATH Level 5 | 53.3% | 24.2% |
| FrontierMath (Tiers 1-3) | 0.4% | — |
| OTIS Mock AIME 2024-2025 | 6.4% | — |
| LiveBench Math | 49.5% | — |
| FrontierMath (Feb 2025 set) | 0.3% | — |
Knowledge GPT-4o leads
GPT-4o: 28.8 (#242), Mixtral 8x22B: 15.1 (#293)
| Benchmark | GPT-4o | Mixtral 8x22B |
|---|---|---|
| GPQA Diamond | 49.2% | 34.1% |
| MMLU-Pro | 71.3% | 46% |
| GPQA (HELM) | 52% | 33.4% |
| LMArena Expert | 1250 | 1113 |
| MMLU | 88.1% | 77.8% |
| Humanity's Last Exam | 2.7% | — |
| SimpleQA Verified | 26% | — |
| Confabulations | 15.3% | — |
| Vectara Hallucination Rate | 9.6% | — |
Multimodal Not comparable
GPT-4o: 34.5 (#91), Mixtral 8x22B: —
| Benchmark | GPT-4o | Mixtral 8x22B |
|---|---|---|
| LMArena Vision | 1137 | — |
| Video-MME | 71.9% | — |
| GeoBench | 71% | — |
| VPCT | 40% | — |
| ScienceQA | 88.5% | — |
Multilingual GPT-4o leads
GPT-4o: 43.2 (#186), Mixtral 8x22B: 32.8 (#255)
| Benchmark | GPT-4o | Mixtral 8x22B |
|---|---|---|
| LMArena Non-English | 1283 | 1128 |
| LMArena Chinese | 1277 | 1116 |
| LMArena French | 1304 | 1166 |
| LMArena German | 1282 | 1141 |
| LMArena Japanese | 1257 | 1037 |
| LMArena Korean | 1234 | 1057 |
| LMArena Russian | 1286 | 1158 |
| LMArena Spanish | 1292 | 1151 |
Instruction Following GPT-4o leads
GPT-4o: 66.6 (#207), Mixtral 8x22B: 57.7 (#266)
| Benchmark | GPT-4o | Mixtral 8x22B |
|---|---|---|
| IFEval | 81.7% | 72.4% |
| LMArena Instruction Following | 1278 | 1147 |
| LiveBench Instruction Following | 68.6% | — |
Long Context GPT-4o leads
GPT-4o: 39.4 (#179), Mixtral 8x22B: 34.7 (#247)
| Benchmark | GPT-4o | Mixtral 8x22B |
|---|---|---|
| LMArena Longer Query | 1289 | 1144 |
| Fiction.LiveBench | 66.7% | — |
Writing & Preference GPT-4o leads
GPT-4o: 52.6 (#166), Mixtral 8x22B: 36.9 (#262)
| Benchmark | GPT-4o | Mixtral 8x22B |
|---|---|---|
| LMArena Text | 1300 | 1162 |
| LMArena Creative Writing | 1292 | 1141 |
| WildBench | 82.8% | 71.1% |
| LMArena Multi-Turn | 1302 | 1130 |
| Short-Story Creative Writing | 81.8% | — |
| LiveBench Language | 47.6% | — |
Frequently asked questions
Is GPT-4o better than Mixtral 8x22B?
GPT-4o is the stronger model overall, scoring 28.6 to 27.1 on the Noometry Index.
Which is cheaper, GPT-4o or Mixtral 8x22B?
Mixtral 8x22B is cheaper. It lists at $2 per million input tokens and $6 per million output tokens; GPT-4o lists at $2.50 and $10.
Is GPT-4o or Mixtral 8x22B better for coding?
They score almost the same on coding (24.8 vs 24.2); test both on your own repository before choosing.
Which has the bigger context window?
GPT-4o does, with 128K tokens against 64K.
How many benchmarks do GPT-4o and Mixtral 8x22B share?
34 benchmarks have published results for both models. GPT-4o has 72 scored results on Noometry and Mixtral 8x22B has 34.