Model comparison
Claude 3 Opus vs MiMo-V2.6-Pro
MiMo-V2.6-Pro is the stronger model overall, scoring 50.3 to 29.5 on the Noometry Index.
Last verified . 13 shared benchmarks.
Summary
- They share 13 benchmarks with published results for both. Claude 3 Opus scores higher in 0 categories and MiMo-V2.6-Pro in 10 categories; 10 gaps are clear of the uncertainty.
- The widest gap is in math, where MiMo-V2.6-Pro leads 54.5 to 14.8.
- MiMo-V2.6-Pro has downloadable open weights; the other is API-only.
Side by side
| Claude 3 Opus | MiMo-V2.6-Pro | |
|---|---|---|
| Provider | Anthropic | Xiaomi |
| Noometry Index | 29.5 | 50.3 |
| Released | 2024-02-29 | 2026-09-21 |
| Weights | Proprietary | Open |
| Context window | — | 1.05M |
| Max output | — | 131K |
| Input $ / M tokens | — | $0.43 |
| Output $ / M tokens | — | $0.87 |
| Results tracked | 46 | 19 |
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Category by category
Coding MiMo-V2.6-Pro leads
Claude 3 Opus: 32.9 (#267), MiMo-V2.6-Pro: 55.5 (#23)
| Benchmark | Claude 3 Opus | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Coding | 1264 | 1534 |
| LMArena WebDev | — | 1629 |
| SciCode | — | 60.9% |
| WeirdML | 19.2% | — |
| BigCodeBench Instruct | 45.5% | — |
| LiveBench Coding | 38.6% | — |
| BigCodeBench Complete | 57.4% | — |
| ALE-Bench | — | 1,158 |
| HumanEval+ | 77.4% | — |
| MBPP+ | 73.3% | — |
Agentic & Tool Use MiMo-V2.6-Pro leads
Claude 3 Opus: 24.6 (#116), MiMo-V2.6-Pro: 37.5 (#35)
| Benchmark | Claude 3 Opus | MiMo-V2.6-Pro |
|---|---|---|
| APEX-Agents | — | 59.5% |
| Cybench | 10% | — |
| METR Time Horizons | 29.5% | — |
Reasoning MiMo-V2.6-Pro leads
Claude 3 Opus: 14.6 (#324), MiMo-V2.6-Pro: 43.1 (#50)
| Benchmark | Claude 3 Opus | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Hard Prompts | 1245 | 1512 |
| SimpleBench | 23.5% | — |
| CritPt | — | 26.6% |
| Chess Puzzles | 5% | — |
| EnigmaEval | 0.8% | — |
| LiveBench Reasoning | 40.6% | — |
| DTBench | 61.6% | — |
| LiveBench Data Analysis | 57.9% | — |
| LMCA | 17% | — |
| Epoch Capabilities Index | 126.91 | — |
| ForecastBench | 58.4 | — |
| LiveBench | 49.2% | — |
| WinoGrande | 88.5% | — |
Math MiMo-V2.6-Pro leads
Claude 3 Opus: 14.8 (#299), MiMo-V2.6-Pro: 54.5 (#45)
| Benchmark | Claude 3 Opus | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Math | 1273 | 1494 |
| OTIS Mock AIME 2024-2025 | 4.7% | — |
| ProofBench | — | 70% |
| LiveBench Math | 43.6% | — |
| MATH Level 5 | 37.5% | — |
Knowledge MiMo-V2.6-Pro leads
Claude 3 Opus: 24.5 (#267), MiMo-V2.6-Pro: 43.5 (#92)
| Benchmark | Claude 3 Opus | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Expert | 1223 | 1543 |
| GPQA Diamond | 47.2% | — |
| SimpleQA Verified | 12.6% | — |
| Confabulations | 22.7% | — |
| MMLU | 84.6% | — |
Multimodal MiMo-V2.6-Pro leads
Claude 3 Opus: 27.1 (#116), MiMo-V2.6-Pro: 40.8 (#43)
| Benchmark | Claude 3 Opus | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Vision | 1023 | 1264 |
Multilingual MiMo-V2.6-Pro leads
Claude 3 Opus: 41.4 (#207), MiMo-V2.6-Pro: 56.9 (#14)
| Benchmark | Claude 3 Opus | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Non-English | 1258 | 1474 |
| LMArena Chinese | 1248 | 1529 |
| LMArena Russian | 1280 | 1480 |
| LMArena French | 1275 | — |
| LMArena German | 1258 | — |
| LMArena Japanese | 1204 | — |
| LMArena Korean | 1187 | — |
| LMArena Spanish | 1246 | — |
Instruction Following MiMo-V2.6-Pro leads
Claude 3 Opus: 64.1 (#228), MiMo-V2.6-Pro: 78.2 (#12)
| Benchmark | Claude 3 Opus | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Instruction Following | 1248 | 1493 |
| LiveBench Instruction Following | 63.9% | — |
Long Context MiMo-V2.6-Pro leads
Claude 3 Opus: 38.2 (#202), MiMo-V2.6-Pro: 46.0 (#27)
| Benchmark | Claude 3 Opus | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Longer Query | 1259 | 1501 |
Writing & Preference MiMo-V2.6-Pro leads
Claude 3 Opus: 47.2 (#213), MiMo-V2.6-Pro: 66.8 (#33)
| Benchmark | Claude 3 Opus | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Text | 1262 | 1492 |
| LMArena Creative Writing | 1235 | 1468 |
| LMArena Multi-Turn | 1275 | 1464 |
| LiveBench Language | 50.4% | — |
Frequently asked questions
Is Claude 3 Opus better than MiMo-V2.6-Pro?
MiMo-V2.6-Pro is the stronger model overall, scoring 50.3 to 29.5 on the Noometry Index.
Is Claude 3 Opus or MiMo-V2.6-Pro better for coding?
MiMo-V2.6-Pro scores higher on coding benchmarks: 55.5 versus 32.9 in the Noometry coding category.
How many benchmarks do Claude 3 Opus and MiMo-V2.6-Pro share?
13 benchmarks have published results for both models. Claude 3 Opus has 46 scored results on Noometry and MiMo-V2.6-Pro has 19.