Claude Opus 4.8 vs MiMo-V2.6-Pro
Claude Opus 4.8 
MiMo-V2.6-Pro Verdict
- MiMo-V2.6-Pro leads on quality: 64.3 vs 63.3.
- Claude Opus 4.8 (max) is stronger in agents & tools, coding, instruction following, knowledge, maths.
- MiMo-V2.6-Pro is stronger in composite, long context, reasoning.
- MiMo-V2.6-Pro is 18× cheaper ($0.548 vs $10.00 per 1M blended).
| Metric | Claude Opus 4.8 (max) | MiMo-V2.6-Pro |
|---|---|---|
| BenchLeader Index | 63.3 | 64.3 |
| Agents & tools score | 56.5 | 55.1 |
| Coding score | 61.5 | – |
| Composite score | 66.6 | 84.8 |
| Instruction following score | 62.0 | – |
| Knowledge score | 68.5 | 66.8 |
| Long context score | 64.6 | 69.1 |
| Maths score | 69.6 | – |
| Reasoning score | 70.7 | 88.8 |
| Blended price $/M | $10.00 | $0.548 |
| Output speed | 58 tok/s | 54 tok/s |
| Time to first answer | 34.6 s | 39.8 s |
| Context window | 1M | 1.0M |
| GPQA Diamond | 91.0% | – |
| FrontierMath Tiers 1–3 | 80.0% | – |
| FrontierMath Tier 4 | 56.1% | – |
| OTIS Mock AIME | 98.3% | – |
| SimpleQA Verified | 53.0% | – |
| Terminal-Bench | 23.6% | – |
| OSWorld-Verified 2.0 | 20.6% | – |
| SciCode | 53.5% | – |
| APEX-Agents | 48.9% | – |
| ProofBench | 69.0% | – |
| LiveBench | 76.2% | – |
| LiveBench Reasoning | 89.2% | – |
| LiveBench Coding | 81.8% | – |
| LiveBench Agentic Coding | 50.5% | – |
| LiveBench Mathematics | 94.3% | – |
| LiveBench Data Analysis | 66.0% | – |
| LiveBench Language | 79.7% | – |
| LiveBench Instruction Following | 72.0% | – |
| AA Intelligence Index | 41.8 | 46.3 |
| IFBench | 62.2% | – |
| AA-LCR | 77.7% | 86.3% |
| AA-Omniscience | 28.8 | 8.4 |
| Terminal-Bench Hard | 58.3% | – |
| GPQA Diamond (AA) | 92.0% | – |
| Humanity's Last Exam (AA) | 48.7% | 49.4% |
| SciCode (AA) | 54.4% | 60.9% |
| τ²-Bench Telecom (AA) | 94.4% | – |
| Terminal-Bench 2.1 (Vals) | – | 67.8% |
| Vals Index | – | 59.7 |
| AIME 2026 | 100.0% | – |
| HMMT February 2026 | 95.5% | – |
| MathArena Apex | 81.3% | – |
| MCP Atlas | 82.2% | – |
| ARC-AGI-1 | 92.5% | – |
| CritPt | 20.9% | 26.6% |
| GDPval (AA) | 46.9% | 58.7% |
| τ²-Bench Banking (AA) | 34.2% | – |
| Analyst Agent (AA) | 45.0% | – |
| Code Migration | – | 43.0% |
| Excel Modeling Benchmark | – | 62.9% |
| Finance Agent v2 | – | 58.3% |
| Harvey's Legal Agent Benchmark | – | 10.8% |
| Legal Research Bench | – | 47.1% |
| Terminal-Bench Science | – | 2.9% |
| Vibe Code Bench v1.1 | – | 85.2% |
| DrugDiscoveryBench | 46.8% | – |
| FORTRESS | 18.2% | – |
| Chess Puzzles | 34.0% | – |
| EBR-bench | 28.6% | – |
| Mystery Game Puzzles | 36.0% | – |
| PostTrainBench | 32.9% | – |
| DeepSWE | 59.0% | – |
| LMCA | 57.5% | – |
| DTBench | 94.9% | – |
| Vending-Bench 2 | 2992.3 | – |
| GDP.pdf | 24.0% | – |
| Terminal-Bench 4.0 (AA) | 21.7% | 34.9% |
| Terminal-Bench 2.1 (AA) | 84.6% | – |
| AutomationBench | – | 58.6% |
| GDP.pdf | – | 19.2% |
| AA-Omniscience: accuracy | 48.8% | 34.9% |
| AA-Omniscience: non-hallucination | 60.8% | 59.4% |
| AA-Briefcase | – | 1522 |
Data as of 2026-09-23. Best configuration of each model; every score links to its source on the model pages.
Claude Opus 4.8 vs MiMo-V2.6-Pro: questions
- Is Claude Opus 4.8 better than MiMo-V2.6-Pro?
- MiMo-V2.6-Pro leads on quality: 64.3 vs 63.3. The BenchLeader Index combines every independent quality benchmark; MiMo-V2.6-Pro is ahead overall as of 2026-09-23, but check the category scores for your use.
- Is Claude Opus 4.8 better than MiMo-V2.6-Pro for agentic tasks?
- Claude Opus 4.8 scores higher in agentic tasks (57 vs 55 on the category index, where 50 is average).
- Which is cheaper, Claude Opus 4.8 or MiMo-V2.6-Pro?
- MiMo-V2.6-Pro is cheaper: $0.548 against $10.00 per million tokens, blended at three input tokens per output token.
- Which is faster, Claude Opus 4.8 or MiMo-V2.6-Pro?
- Claude Opus 4.8 streams faster: 58 against 54 output tokens per second.
- Which has the larger context window?
- MiMo-V2.6-Pro accepts more context: 1.0M against 1M tokens.