# Claude Sonnet 5 vs Kimi K2.7 Code

> Side-by-side benchmark comparison for Claude Sonnet 5 and Kimi K2.7 Code across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-sonnet-5-vs-kimi-k2-7-code
- Last updated: September 29, 2026

- Shared sourced benchmarks: 4
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.7

## Quick Verdict

Pick Claude Sonnet 5 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 Sonnet 5 leads overall 66.99 to 50.47.
- The clearest category separation is in agentic, where the averages are 64.6 for Claude Sonnet 5 and 37.2 for Kimi K2.7 Code.
- The biggest single benchmark swing is cursorBench32 in Coding, with scores of 61.5% and 49.7%.
- Kimi K2.7 Code is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Claude Sonnet 5 also has the larger context window at 1M.

## Model Snapshot

| Property | Claude Sonnet 5 | Kimi K2.7 Code |
|----------|----------|----------|
| Creator | Anthropic | Moonshot AI |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 256K |
| Overall Score | 66.99 | 50.47 |
| Benchmarks Covered | 26 | 11 |
| Pricing (input/output) | $2.00 / $10.00 | $0.95 / $4.00 |

## Category Breakdown

### Agentic

- Winner: Claude Sonnet 5
- Claude Sonnet 5 public-lane score: 64.6 (Supported · #12/117)
- Kimi K2.7 Code public-lane score: 37.2 (Supported · #59/117)

| Benchmark | Claude Sonnet 5 | Kimi K2.7 Code | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 3.0 | 14.6% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 80.4% | Coming soon | Coming soon |
| BrowseComp | 84.7% | Coming soon | Coming soon |
| HLE w/ tools | 57.4% | Coming soon | Coming soon |
| OSWorld-Verified | 81.2% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 74.5% | 67.0% | Claude Sonnet 5 |
| ApprenticeBench | 16% | 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 Sonnet 5
- Claude Sonnet 5 public-lane score: 59.8 (Supported · #19/142)
- Kimi K2.7 Code public-lane score: 44.4 (Supported · #53/142)

| Benchmark | Claude Sonnet 5 | Kimi K2.7 Code | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 85.2% | Coming soon | Coming soon |
| SWE-bench Pro | 63.2% | Coming soon | Coming soon |
| SWE Multilingual | 78.3% | Coming soon | Coming soon |
| SWE Multimodal | 28.1% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 80.4% | Coming soon | Coming soon |
| FrontierCode 1.1 Main | 42.7% | Coming soon | Coming soon |
| cursorBench32 | 61.5% | 49.7% | Claude Sonnet 5 |
| VulcanBench CII v1 | 89.2% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 82.4% | 82.1% | Claude Sonnet 5 |
| SWE-bench (Vals) | 79.6% | 78.2% | Claude Sonnet 5 |
| cursorBench40 | 34.1% | Coming soon | Coming soon |
| Kimi Code Bench v2 | Coming soon | 62.0% | Coming soon |
| ProgramBench | Coming soon | 53.6% | Coming soon |
| MLS-Bench Lite | Coming soon | 35.1% | Coming soon |
| OpenHarmony Bench | Coming soon | 52.1% | Coming soon |

### Reasoning

- Winner: Not comparable
- Claude Sonnet 5 public-lane score: 78.7 (Unranked · 2 rankable rows)
- Kimi K2.7 Code public-lane score: 76.8 (Unranked · 2 rankable rows)

### Multimodal & Grounded

- Winner: Not comparable
- Claude Sonnet 5 public-lane score: 78.4 (#15/50)
- Kimi K2.7 Code public-lane score: Coming soon

| Benchmark | Claude Sonnet 5 | Kimi K2.7 Code | Winner |
|-----------|-----------|-----------|--------|
| CharXiv | 88.3% | Coming soon | Coming soon |
| CharXiv w/o tools | 77% | Coming soon | Coming soon |

### Knowledge

- Winner: Directional only
- Claude Sonnet 5 public-lane score: 64.5 (Supported · #26/168)
- Kimi K2.7 Code public-lane score: 53.3 (Estimated · #52/168)

| Benchmark | Claude Sonnet 5 | Kimi K2.7 Code | Winner |
|-----------|-----------|-----------|--------|
| HLE | 57.4% | Coming soon | Coming soon |
| HLE w/o tools | 43.2% | Coming soon | Coming soon |
| HLE-Verified | 31.0% | Coming soon | Coming soon |
| LABBench2 | 80.1% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 88.9% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 87.5% | Coming soon | Coming soon |

### Instruction Following

- Winner: Not comparable
- Claude Sonnet 5 public-lane score: Coming soon
- Kimi K2.7 Code public-lane score: 75.1 (#59/124)

## FAQ

### Which is better overall, Claude Sonnet 5 or Kimi K2.7 Code?

Claude Sonnet 5 is ahead overall on BenchLM right now.

### Where is the biggest gap between Claude Sonnet 5 and Kimi K2.7 Code?

The widest category gap is in agentic, where the averages are 64.6 for Claude Sonnet 5 and 37.2 for Kimi K2.7 Code.

### How many benchmarks does Claude Sonnet 5 cover on BenchLM?

Claude Sonnet 5 currently has 26 sourced benchmark scores on BenchLM.

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

Kimi K2.7 Code currently has 11 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Claude Sonnet 5 vs GPT-6 Astra](/compare/claude-sonnet-5-vs-gpt-6-astra)
- [Kimi K2.7 Code vs GPT-6 Astra](/compare/gpt-6-astra-vs-kimi-k2-7-code)
- [Claude Sonnet 5 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-claude-sonnet-5)
- [Kimi K2.7 Code vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-kimi-k2-7-code)

## Explore More

- [Claude Sonnet 5 profile](/models/claude-sonnet-5)
- [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)