# Claude Fable 5.1 vs MiMo-V2.6-Flash

> Side-by-side benchmark comparison for Claude Fable 5.1 and MiMo-V2.6-Flash across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-fable-5-1-vs-mimo-v2-6-flash
- Last updated: September 21, 2026

- Shared sourced benchmarks: 5
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Pick Claude Fable 5.1 if you want the stronger benchmark profile. MiMo-V2.6-Flash only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Claude Fable 5.1 leads overall 84.58 to 69.
- The biggest single benchmark swing is ProgramBench in Coding, with scores of 87.6% and 26.0%.
- MiMo-V2.6-Flash is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | Claude Fable 5.1 | MiMo-V2.6-Flash |
|----------|----------|----------|
| Creator | Anthropic | Xiaomi |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Overall Score | 84.58 | null |
| Benchmarks Covered | 26 | 12 |
| Pricing (input/output) | $10.00 / $50.00 | $0.14 / $0.28 |

## Category Breakdown

### Agentic

- Winner: Coming soon
- Claude Fable 5.1 public-lane score: 80.2 (Supported · #1/154)
- MiMo-V2.6-Flash public-lane score: Coming soon

| Benchmark | Claude Fable 5.1 | MiMo-V2.6-Flash | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 4.0 | 55.80% | 28.80% | Claude Fable 5.1 |
| Terminal-Bench-Science 0.1 | 52.6% | Coming soon | Coming soon |
| OSWorld 2.0 | 41.7% | Coming soon | Coming soon |
| AutomationBench | 31.4% | 52.3% | MiMo-V2.6-Flash |
| Toolathlon-Verified | 77.8% | 73.6% | Claude Fable 5.1 |
| Toolathlon Verified Pass@3 | 81.5% | Coming soon | Coming soon |
| Toolathlon Verified Pass³ | 73.1% | Coming soon | Coming soon |
| Toolathlon Verified avg. turns | 23.7 turns | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 85.0% | Coming soon | Coming soon |
| ApprenticeBench | 72% | Coming soon | Coming soon |
| Agents' Last Exam | Coming soon | 27.6% | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 87.6% | Coming soon |
| OSWorld-Verified | Coming soon | 80.8% | Coming soon |
| JobBench | Coming soon | 61.2% | Coming soon |
| CyberGym | Coming soon | 95.1% | Coming soon |
| ExploitGym | Coming soon | 6.0% | Coming soon |

### Coding

- Winner: Coming soon
- Claude Fable 5.1 public-lane score: 84.6 (Supported · #1/156)
- MiMo-V2.6-Flash public-lane score: Coming soon

| Benchmark | Claude Fable 5.1 | MiMo-V2.6-Flash | Winner |
|-----------|-----------|-----------|--------|
| Bug Hunt Bench | 43 fixes | Coming soon | Coming soon |
| SWE-bench Pro | 81.2% | Coming soon | Coming soon |
| SWE Multilingual | 89.1% | Coming soon | Coming soon |
| SWE Multimodal | 54.7% | Coming soon | Coming soon |
| DeepSWE | 67.4% | 67.9% | MiMo-V2.6-Flash |
| FrontierSWE v2 | 56.3% | Coming soon | Coming soon |
| ProgramBench | 87.6% | 26.0% | Claude Fable 5.1 |
| cursorBench32 | 73.4% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 90.5% | Coming soon | Coming soon |
| cursorBench40 | 51.8% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 87.6% | Coming soon |

### Reasoning

- Winner: Coming soon
- Claude Fable 5.1 public-lane score: 79.4 (#2/19)
- MiMo-V2.6-Flash public-lane score: Coming soon

| Benchmark | Claude Fable 5.1 | MiMo-V2.6-Flash | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-1 | 97.50% | Coming soon | Coming soon |
| ARC-AGI-2 | 90% | Coming soon | Coming soon |

### Knowledge

- Winner: Coming soon
- Claude Fable 5.1 public-lane score: 87 (Supported · #1/186)
- MiMo-V2.6-Flash public-lane score: Coming soon

| Benchmark | Claude Fable 5.1 | MiMo-V2.6-Flash | Winner |
|-----------|-----------|-----------|--------|
| HLE | 65% | Coming soon | Coming soon |
| HLE w/o tools | 60.9% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 93.4% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 92.4% | Coming soon | Coming soon |

## FAQ

### Which is better overall, Claude Fable 5.1 or MiMo-V2.6-Flash?

Claude Fable 5.1 is ahead overall on BenchLM right now.

### How many benchmarks does Claude Fable 5.1 cover on BenchLM?

Claude Fable 5.1 currently has 26 sourced benchmark scores on BenchLM.

### How many benchmarks does MiMo-V2.6-Flash cover on BenchLM?

MiMo-V2.6-Flash currently has 12 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Claude Fable 5.1 vs Claude Fable 5](/compare/claude-fable-vs-claude-fable-5-1)
- [MiMo-V2.6-Flash vs Claude Fable 5](/compare/claude-fable-vs-mimo-v2-6-flash)
- [Claude Fable 5.1 vs MiMo-V2.6-Pro](/compare/claude-fable-5-1-vs-mimo-v2-6-pro)
- [MiMo-V2.6-Flash vs MiMo-V2.6-Pro](/compare/mimo-v2-6-flash-vs-mimo-v2-6-pro)

## Explore More

- [Claude Fable 5.1 profile](/models/claude-fable-5-1)
- [MiMo-V2.6-Flash profile](/models/mimo-v2-6-flash)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)