# Claude Fable 5.1 vs Kimi K2.7 Code

> Side-by-side benchmark comparison for Claude Fable 5.1 and Kimi K2.7 Code across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-fable-5-1-vs-kimi-k2-7-code
- Last updated: October 17, 2026

- Shared sourced benchmarks: 6
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Pick Claude Fable 5.1 if you want the stronger benchmark profile. Kimi K2.7 Code 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 83.18 to 49.52.
- The clearest category separation is in agentic, where the averages are 80.9 for Claude Fable 5.1 and 38.5 for Kimi K2.7 Code.
- The biggest single benchmark swing is FrontierMath v2 (Tier 4) in Mathematics, with scores of 87.805% and 12.195%.
- Kimi K2.7 Code is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Claude Fable 5.1 also has the larger context window at 1M.

## Model Snapshot

| Property | Claude Fable 5.1 | Kimi K2.7 Code |
|----------|----------|----------|
| Creator | Anthropic | Moonshot AI |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 256K |
| Overall Score | 83.18 | 49.52 |
| Benchmarks Covered | 33 | 13 |
| Pricing (input/output) | $10.00 / $50.00 | $0.95 / $4.00 |

## Category Breakdown

### Agentic

- Winner: Claude Fable 5.1
- Claude Fable 5.1 public-lane score: 80.9 (Supported · #2/128)
- Kimi K2.7 Code public-lane score: 38.5 (Supported · #69/128)

| Benchmark | Claude Fable 5.1 | Kimi K2.7 Code | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 4.0 | 55.80% | Coming soon | Coming soon |
| Terminal-Bench-Science 0.1 | 52.6% | Coming soon | Coming soon |
| OSWorld 2.0 | 41.7% | Coming soon | Coming soon |
| AutomationBench | 31.4% | Coming soon | Coming soon |
| Toolathlon-Verified | 77.8% | Coming soon | Coming soon |
| 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% | 67.0% | Claude Fable 5.1 |
| ApprenticeBench | 72% | Coming soon | Coming soon |
| CWE-bench v1 | 58.0% | Coming soon | Coming soon |
| MazeBench | 10% | Coming soon | Coming soon |
| Kimi Claw 24/7 | Coming soon | 46.9% | Coming soon |
| MCP Atlas | Coming soon | 76% | Coming soon |
| MCP Mark Verified | Coming soon | 81.1% | Coming soon |

### Coding

- Winner: Claude Fable 5.1
- Claude Fable 5.1 public-lane score: 76.8 (Supported · #3/150)
- Kimi K2.7 Code public-lane score: 41.8 (Supported · #62/150)

| Benchmark | Claude Fable 5.1 | Kimi K2.7 Code | Winner |
|-----------|-----------|-----------|--------|
| Bug Hunt Bench | 43.0 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% | Coming soon | Coming soon |
| FrontierSWE v2 | 56.3% | Coming soon | Coming soon |
| ProgramBench | 87.6% | 53.6% | Claude Fable 5.1 |
| CursorBench 3.2 | 73.4% | 49.7% | Claude Fable 5.1 |
| LiveCodeBench (Vals) | 90.5% | 82.1% | Claude Fable 5.1 |
| CursorBench 4.0 | 51.8% | Coming soon | Coming soon |
| PostTrainBench v1.1 | 40.2% | Coming soon | Coming soon |
| Kimi Code Bench v2 | Coming soon | 62.0% | Coming soon |
| MLS-Bench Lite | Coming soon | 35.1% | Coming soon |
| OpenHarmony Bench | Coming soon | 52.1% | Coming soon |
| SWE-bench (Vals) | Coming soon | 78.2% | Coming soon |

### Reasoning

- Winner: Not comparable
- Claude Fable 5.1 public-lane score: 85.2 (#4/28)
- Kimi K2.7 Code public-lane score: 80.3 (Unranked · 2 rankable rows)

| Benchmark | Claude Fable 5.1 | Kimi K2.7 Code | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-1 | 97.50% | Coming soon | Coming soon |
| ARC-AGI-2 | 90% | Coming soon | Coming soon |
| GraphWalks BFS 256K–1M | 65.0% | Coming soon | Coming soon |

### Knowledge

- Winner: Directional only
- Claude Fable 5.1 public-lane score: 86.9 (Supported · #2/184)
- Kimi K2.7 Code public-lane score: 54.3 (Estimated · #64/184)

| Benchmark | Claude Fable 5.1 | Kimi K2.7 Code | 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 |

### Instruction Following

- Winner: Not comparable
- Claude Fable 5.1 public-lane score: Coming soon
- Kimi K2.7 Code public-lane score: 76.6 (#63/148)

| Benchmark | Claude Fable 5.1 | Kimi K2.7 Code | Winner |
|-----------|-----------|-----------|--------|
| Gray Swan IPI (15 attempts) | 1.0% | Coming soon | Coming soon |

### Mathematics

- Winner: Not comparable
- Claude Fable 5.1 public-lane score: 96.8 (Unranked · 2 rankable rows)
- Kimi K2.7 Code public-lane score: 58.3 (Unranked · 2 rankable rows)

| Benchmark | Claude Fable 5.1 | Kimi K2.7 Code | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 90.175% | 54.035% | Claude Fable 5.1 |
| FrontierMath v2 (Tier 4) | 87.805% | 12.195% | Claude Fable 5.1 |

## FAQ

### Which is better overall, Claude Fable 5.1 or Kimi K2.7 Code?

Claude Fable 5.1 is ahead overall on BenchLM right now.

### Where is the biggest gap between Claude Fable 5.1 and Kimi K2.7 Code?

The widest category gap is in agentic, where the averages are 80.9 for Claude Fable 5.1 and 38.5 for Kimi K2.7 Code.

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

Claude Fable 5.1 currently has 33 sourced benchmark scores on BenchLM.

### How many benchmarks does Kimi K2.7 Code cover on BenchLM?

Kimi K2.7 Code currently has 13 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Claude Fable 5.1 vs Claude Fable 5](/compare/claude-fable-vs-claude-fable-5-1)
- [Kimi K2.7 Code vs Claude Fable 5](/compare/claude-fable-vs-kimi-k2-7-code)
- [Claude Fable 5.1 vs Claude Opus 5.5](/compare/claude-fable-5-1-vs-claude-opus-5-5)
- [Kimi K2.7 Code vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-kimi-k2-7-code)

## Explore More

- [Claude Fable 5.1 profile](/models/claude-fable-5-1)
- [Kimi K2.7 Code profile](/models/kimi-k2-7-code)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)