# Claude 3.7 Sonnet vs Kimi K2

> Side-by-side benchmark comparison for Claude 3.7 Sonnet and Kimi K2 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-3-7-sonnet-vs-kimi-k2
- Last updated: October 14, 2026

- Shared sourced benchmarks: 5
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Claude 3.7 Sonnet leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Claude 3.7 Sonnet has the higher overall point estimate 57 to 33.15. Conditional score ranges do not establish rank confidence.
- The biggest single benchmark swing is AIME 2024 in Mathematics, with scores of 23.3% and 69.6%.
- Claude 3.7 Sonnet also has the larger context window at 200K.

## Model Snapshot

| Property | Claude 3.7 Sonnet | Kimi K2 |
|----------|----------|----------|
| Creator | Anthropic | Moonshot AI |
| Type | Proprietary | Proprietary |
| Reasoning | Non-Reasoning | Non-Reasoning |
| Context | 200K | 128K |
| Overall Score | null | 33.15 |
| Benchmarks Covered | 7 | 13 |
| Pricing (input/output) | N/A | $0.60 / $2.50 |

## Category Breakdown

### Coding

- Winner: Not comparable
- Claude 3.7 Sonnet public-lane score: Coming soon
- Kimi K2 public-lane score: Coming soon

| Benchmark | Claude 3.7 Sonnet | Kimi K2 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 62.3% | 65.8% | Kimi K2 |
| LiveCodeBench v6 | Coming soon | 53.7% | Coming soon |
| SWE Multilingual | Coming soon | 47.3% | Coming soon |

### Reasoning

- Winner: Not comparable
- Claude 3.7 Sonnet public-lane score: Coming soon
- Kimi K2 public-lane score: 62.3 (Unranked · 2 rankable rows)

### Multimodal & Grounded

- Winner: Not comparable
- Claude 3.7 Sonnet public-lane score: Coming soon
- Kimi K2 public-lane score: Coming soon

| Benchmark | Claude 3.7 Sonnet | Kimi K2 | Winner |
|-----------|-----------|-----------|--------|
| MMMU | 71.8% | Coming soon | Coming soon |

### Knowledge

- Winner: Not comparable
- Claude 3.7 Sonnet public-lane score: Coming soon
- Kimi K2 public-lane score: 36.3 (Estimated · #127/181)

| Benchmark | Claude 3.7 Sonnet | Kimi K2 | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 68% | 75.1% | Kimi K2 |
| MMMLU | 83.2% | Coming soon | Coming soon |
| MMLU | Coming soon | 89.5% | Coming soon |
| SuperGPQA | Coming soon | 57.2% | Coming soon |
| MMLU-Pro | Coming soon | 81.1% | Coming soon |
| SimpleQA | Coming soon | 31% | Coming soon |
| HLE | Coming soon | 4.7% | Coming soon |

### Instruction Following

- Winner: Not comparable
- Claude 3.7 Sonnet public-lane score: Coming soon
- Kimi K2 public-lane score: 48.4 (#86/128)

| Benchmark | Claude 3.7 Sonnet | Kimi K2 | Winner |
|-----------|-----------|-----------|--------|
| IFEval | 90.8% | 89.8% | Claude 3.7 Sonnet |

### Mathematics

- Winner: Not comparable
- Claude 3.7 Sonnet public-lane score: Coming soon
- Kimi K2 public-lane score: 0 (#12/12)

| Benchmark | Claude 3.7 Sonnet | Kimi K2 | Winner |
|-----------|-----------|-----------|--------|
| MATH-500 | 82.2% | 97.4% | Kimi K2 |
| AIME 2024 | 23.3% | 69.6% | Kimi K2 |
| AIME 2025 | Coming soon | 49.5% | Coming soon |

## FAQ

### Which is better overall, Claude 3.7 Sonnet or Kimi K2?

Claude 3.7 Sonnet has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### How many benchmarks does Claude 3.7 Sonnet cover on BenchLM?

Claude 3.7 Sonnet currently has 7 sourced benchmark scores on BenchLM.

### How many benchmarks does Kimi K2 cover on BenchLM?

Kimi K2 currently has 13 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Claude 3.7 Sonnet vs Claude 3.7 Sonnet Thinking](/compare/claude-3-7-sonnet-vs-claude-3-7-sonnet-thinking)
- [Kimi K2 vs Claude 3.7 Sonnet Thinking](/compare/claude-3-7-sonnet-thinking-vs-kimi-k2)
- [Claude 3.7 Sonnet vs Claude Opus 5.5](/compare/claude-3-7-sonnet-vs-claude-opus-5-5)
- [Kimi K2 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-kimi-k2)

## Explore More

- [Claude 3.7 Sonnet profile](/models/claude-3-7-sonnet)
- [Kimi K2 profile](/models/kimi-k2)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)