# Kimi K2 vs Qwen3.8-Flash-Next

> Side-by-side benchmark comparison for Kimi K2 and Qwen3.8-Flash-Next across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/kimi-k2-vs-qwen3-8-flash-next
- Last updated: October 10, 2026

- Shared sourced benchmarks: 4
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Qwen3.8-Flash-Next leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Qwen3.8-Flash-Next has the higher overall point estimate 64.23 to 34.03. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in instruction following, where the averages are 48.4 for Kimi K2 and 91.2 for Qwen3.8-Flash-Next.
- The biggest single benchmark swing is LiveCodeBench v6 in Coding, with scores of 53.7% and 91.9%.
- Qwen3.8-Flash-Next is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Qwen3.8-Flash-Next also has the larger context window at 262K.

## Model Snapshot

| Property | Kimi K2 | Qwen3.8-Flash-Next |
|----------|----------|----------|
| Creator | Moonshot AI | Alibaba |
| Type | Proprietary | Open Weight |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 128K | 262K |
| Overall Score | 34.03 | 64.23 |
| Benchmarks Covered | 15 | 24 |
| Pricing (input/output) | $0.60 / $2.50 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Kimi K2 public-lane score: Coming soon
- Qwen3.8-Flash-Next public-lane score: 59.5 (Estimated · #24/123)

| Benchmark | Kimi K2 | Qwen3.8-Flash-Next | Winner |
|-----------|-----------|-----------|--------|
| CoWorkBench | Coming soon | 73.9% | Coming soon |
| JobBench | Coming soon | 55.7% | Coming soon |
| Agents' Last Exam | Coming soon | 51.2% | Coming soon |
| Toolathlon-Verified | Coming soon | 73.5% | Coming soon |
| AndroidWorld | Coming soon | 84.5% | Coming soon |
| OSWorld 2.0 | Coming soon | 19.4% | Coming soon |

### Coding

- Winner: Not comparable
- Kimi K2 public-lane score: Coming soon
- Qwen3.8-Flash-Next public-lane score: 52.4 (Supported · #37/146)

| Benchmark | Kimi K2 | Qwen3.8-Flash-Next | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 65.8% | Coming soon | Coming soon |
| LiveCodeBench v6 | 53.7% | 91.9% | Qwen3.8-Flash-Next |
| SWE Multilingual | 47.3% | 81% | Qwen3.8-Flash-Next |
| SWE-bench Pro | Coming soon | 62.5% | Coming soon |
| NL2Repo | Coming soon | 48.1% | Coming soon |
| DeepSWE | Coming soon | 58.7% | Coming soon |

### Reasoning

- Winner: Not comparable
- Kimi K2 public-lane score: 62.4 (Unranked · 2 rankable rows)
- Qwen3.8-Flash-Next public-lane score: 80.9 (Unranked · 2 rankable rows)

### Multimodal & Grounded

- Winner: Not comparable
- Kimi K2 public-lane score: Coming soon
- Qwen3.8-Flash-Next public-lane score: 87.7 (#8/54)

| Benchmark | Kimi K2 | Qwen3.8-Flash-Next | Winner |
|-----------|-----------|-----------|--------|
| Vision2Web | Coming soon | 64.0% | Coming soon |
| ERQA | Coming soon | 72.3% | Coming soon |
| LVBench | Coming soon | 76.6% | Coming soon |
| RealWorldQA | Coming soon | 88.5% | Coming soon |
| MathVision | Coming soon | 90.6% | Coming soon |
| MathVision w/ Python | Coming soon | 95.7% | Coming soon |
| CharXiv w/o tools | Coming soon | 84.6% | Coming soon |
| CharXiv | Coming soon | 90.6% | Coming soon |

### Knowledge

- Winner: Directional only
- Kimi K2 public-lane score: 36.6 (Estimated · #123/177)
- Qwen3.8-Flash-Next public-lane score: 59.4 (Supported · #47/177)

| Benchmark | Kimi K2 | Qwen3.8-Flash-Next | Winner |
|-----------|-----------|-----------|--------|
| MMLU | 89.5% | Coming soon | Coming soon |
| GPQA | 75.1% | 91.7% | Qwen3.8-Flash-Next |
| SuperGPQA | 57.2% | Coming soon | Coming soon |
| MMLU-Pro | 81.1% | Coming soon | Coming soon |
| SimpleQA | 31% | Coming soon | Coming soon |
| HLE | 4.7% | 35.9% | Qwen3.8-Flash-Next |
| GPQA-D | Coming soon | 91.7% | Coming soon |
| HLE w/o tools | Coming soon | 35.9% | Coming soon |

### Instruction Following

- Winner: Directional only
- Kimi K2 public-lane score: 48.4 (#85/127)
- Qwen3.8-Flash-Next public-lane score: 91.2 (#22/127)

| Benchmark | Kimi K2 | Qwen3.8-Flash-Next | Winner |
|-----------|-----------|-----------|--------|
| IFEval | 89.8% | Coming soon | Coming soon |
| IFBench | Coming soon | 81.3% | Coming soon |

### Mathematics

- Winner: Not comparable
- Kimi K2 public-lane score: 39.5 (Unranked · 5 rankable rows)
- Qwen3.8-Flash-Next public-lane score: Coming soon

| Benchmark | Kimi K2 | Qwen3.8-Flash-Next | Winner |
|-----------|-----------|-----------|--------|
| AIME 2024 | 69.6% | Coming soon | Coming soon |
| AIME 2025 | 49.5% | Coming soon | Coming soon |
| MATH-500 | 97.4% | Coming soon | Coming soon |
| FrontierMath v2 (Tiers 1-3) | 21.404% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 0.000% | Coming soon | Coming soon |

## FAQ

### Which is better overall, Kimi K2 or Qwen3.8-Flash-Next?

Qwen3.8-Flash-Next has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between Kimi K2 and Qwen3.8-Flash-Next?

The widest category gap is in instruction following, where the averages are 48.4 for Kimi K2 and 91.2 for Qwen3.8-Flash-Next.

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

Kimi K2 currently has 15 sourced benchmark scores on BenchLM.

### How many benchmarks does Qwen3.8-Flash-Next cover on BenchLM?

Qwen3.8-Flash-Next currently has 24 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Kimi K2 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-kimi-k2)
- [Qwen3.8-Flash-Next vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-qwen3-8-flash-next)
- [Kimi K2 vs GPT-6 Astra](/compare/gpt-6-astra-vs-kimi-k2)
- [Qwen3.8-Flash-Next vs GPT-6 Astra](/compare/gpt-6-astra-vs-qwen3-8-flash-next)

## Explore More

- [Kimi K2 profile](/models/kimi-k2)
- [Qwen3.8-Flash-Next profile](/models/qwen3-8-flash-next)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)