# DeepSeek V3.1 vs Kimi K2

> Side-by-side benchmark comparison for DeepSeek V3.1 and Kimi K2 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/deepseek-v3-1-vs-kimi-k2
- Last updated: October 17, 2026

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

## Quick Verdict

DeepSeek V3.1 leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- DeepSeek V3.1 has the higher overall point estimate 40.78 to 33.48. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in instruction following, where the averages are 43.5 for DeepSeek V3.1 and 48.4 for Kimi K2.
- The biggest single benchmark swing is AIME 2024 in Mathematics, with scores of 66.3% and 69.6%.
- DeepSeek V3.1 is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | DeepSeek V3.1 | Kimi K2 |
|----------|----------|----------|
| Creator | DeepSeek | Moonshot AI |
| Type | Open Weight | Proprietary |
| Reasoning | Non-Reasoning | Non-Reasoning |
| Context | 128K | 128K |
| Overall Score | 40.78 | 33.48 |
| Benchmarks Covered | 6 | 13 |
| Pricing (input/output) | $0.00 / $0.00 | $0.60 / $2.50 |

## Category Breakdown

### Coding

- Winner: Not comparable
- DeepSeek V3.1 public-lane score: Coming soon
- Kimi K2 public-lane score: Coming soon

| Benchmark | DeepSeek V3.1 | Kimi K2 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 66% | 65.8% | DeepSeek V3.1 |
| LiveCodeBench | 56.4% | Coming soon | Coming soon |
| LiveCodeBench v6 | Coming soon | 53.7% | Coming soon |
| SWE Multilingual | Coming soon | 47.3% | Coming soon |

### Reasoning

- Winner: Not comparable
- DeepSeek V3.1 public-lane score: 58.1 (Unranked · 2 rankable rows)
- Kimi K2 public-lane score: 62.3 (Unranked · 2 rankable rows)

### Knowledge

- Winner: Directional only
- DeepSeek V3.1 public-lane score: 38.6 (Supported · #121/184)
- Kimi K2 public-lane score: 36.1 (Estimated · #129/184)

| Benchmark | DeepSeek V3.1 | Kimi K2 | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 74.9% | 75.1% | Kimi K2 |
| MMLU-Pro | 83.7% | 81.1% | DeepSeek V3.1 |
| MMLU | Coming soon | 89.5% | Coming soon |
| SuperGPQA | Coming soon | 57.2% | Coming soon |
| SimpleQA | Coming soon | 31% | Coming soon |
| HLE | Coming soon | 4.7% | Coming soon |

### Instruction Following

- Winner: Directional only
- DeepSeek V3.1 public-lane score: 43.5 (#111/148)
- Kimi K2 public-lane score: 48.4 (#96/148)

| Benchmark | DeepSeek V3.1 | Kimi K2 | Winner |
|-----------|-----------|-----------|--------|
| IFEval | Coming soon | 89.8% | Coming soon |

### Mathematics

- Winner: Not comparable
- DeepSeek V3.1 public-lane score: Coming soon
- Kimi K2 public-lane score: 0 (#12/12)

| Benchmark | DeepSeek V3.1 | Kimi K2 | Winner |
|-----------|-----------|-----------|--------|
| AIME 2024 | 66.3% | 69.6% | Kimi K2 |
| AIME 2025 | 49.8% | 49.5% | DeepSeek V3.1 |
| MATH-500 | Coming soon | 97.4% | Coming soon |

## FAQ

### Which is better overall, DeepSeek V3.1 or Kimi K2?

DeepSeek V3.1 has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between DeepSeek V3.1 and Kimi K2?

The widest category gap is in instruction following, where the averages are 43.5 for DeepSeek V3.1 and 48.4 for Kimi K2.

### How many benchmarks does DeepSeek V3.1 cover on BenchLM?

DeepSeek V3.1 currently has 6 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

- [DeepSeek V3.1 vs DeepSeek V3.1 (Reasoning)](/compare/deepseek-v3-1-vs-deepseek-v3-1-reasoning)
- [Kimi K2 vs DeepSeek V3.1 (Reasoning)](/compare/deepseek-v3-1-reasoning-vs-kimi-k2)
- [DeepSeek V3.1 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-deepseek-v3-1)
- [Kimi K2 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-kimi-k2)

## Explore More

- [DeepSeek V3.1 profile](/models/deepseek-v3-1)
- [Kimi K2 profile](/models/kimi-k2)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)