# Kimi K3 vs Qwen3.5 Flash

> Side-by-side benchmark comparison for Kimi K3 and Qwen3.5 Flash across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/kimi-k3-vs-qwen3-5-flash
- Last updated: October 2, 2026

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

## Quick Verdict

Kimi K3 leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Kimi K3 has the higher overall point estimate 72.14 to 45.09. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in coding, where the averages are 61.4 for Kimi K3 and 26.7 for Qwen3.5 Flash.
- The biggest single benchmark swing is SWE-bench (Vals) in Coding, with scores of 93.4% and 64.4%.
- Qwen3.5 Flash is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Kimi K3 also has the larger context window at 1.05M.

## Model Snapshot

| Property | Kimi K3 | Qwen3.5 Flash |
|----------|----------|----------|
| Creator | Moonshot AI | Alibaba |
| Type | Pending | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1.05M | 1M |
| Overall Score | 72.14 | 45.09 |
| Benchmarks Covered | 48 | 6 |
| Pricing (input/output) | $3.00 / $15.00 | $0.10 / $0.40 |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Kimi K3 public-lane score: 68.1 (Supported · #8/119)
- Qwen3.5 Flash public-lane score: Coming soon

| Benchmark | Kimi K3 | Qwen3.5 Flash | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 88.3% | Coming soon | Coming soon |
| BrowseComp | 91.2% | Coming soon | Coming soon |
| DeepSearchQA | 95.0% | Coming soon | Coming soon |
| Toolathlon-Verified | 73.2% | Coming soon | Coming soon |
| MCP Atlas | 84.2% | Coming soon | Coming soon |
| AutomationBench | 30.8% | Coming soon | Coming soon |
| JobBench | 52.9% | Coming soon | Coming soon |
| APEX-Agents | 37.6% | Coming soon | Coming soon |
| SpreadsheetBench 2 | 34.8% | Coming soon | Coming soon |
| DECK-Bench | 73.5% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 80.9% | Coming soon | Coming soon |
| ApprenticeBench | 18% | Coming soon | Coming soon |

### Coding

- Winner: Directional only
- Kimi K3 public-lane score: 61.4 (Supported · #18/144)
- Qwen3.5 Flash public-lane score: 26.7 (Estimated · #101/144)

| Benchmark | Kimi K3 | Qwen3.5 Flash | Winner |
|-----------|-----------|-----------|--------|
| DeepSWE | 67.5% | Coming soon | Coming soon |
| CursorBench 3.2 | 60.8% | Coming soon | Coming soon |
| FrontierSWE | 81.2% | Coming soon | Coming soon |
| ProgramBench | 77.8% | Coming soon | Coming soon |
| Kimi Code Bench v2 | 72.9% | Coming soon | Coming soon |
| sweMarathon | 42% | Coming soon | Coming soon |
| PostTrain Bench | 36.6% | Coming soon | Coming soon |
| MLS-Bench Lite | 48.3% | Coming soon | Coming soon |
| VulcanBench v3 | 73.7% | Coming soon | Coming soon |
| OpenHarmony Bench | 57.3% | Coming soon | Coming soon |
| FrontierSWE v2 | 25.9% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 87.2% | 83.3% | Kimi K3 |
| SWE-bench (Vals) | 93.4% | 64.4% | Kimi K3 |
| PostTrainBench v1.1 | 32.0% | Coming soon | Coming soon |

### Reasoning

- Winner: Not comparable
- Kimi K3 public-lane score: 65.8 (#18/27)
- Qwen3.5 Flash public-lane score: Coming soon

| Benchmark | Kimi K3 | Qwen3.5 Flash | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-1 | 94.50% | Coming soon | Coming soon |
| ARC-AGI-2 | 60.4% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Kimi K3 public-lane score: 89.4 (#1/49)
- Qwen3.5 Flash public-lane score: Coming soon

| Benchmark | Kimi K3 | Qwen3.5 Flash | Winner |
|-----------|-----------|-----------|--------|
| OfficeQA Pro | 63.3% | Coming soon | Coming soon |
| MMMU-Pro | 81.6% | Coming soon | Coming soon |
| MMMU-Pro w/ Python | 83.4% | Coming soon | Coming soon |
| CharXiv w/o tools | 84.8% | Coming soon | Coming soon |
| CharXiv | 91.3% | Coming soon | Coming soon |
| MathVision | 94.3% | Coming soon | Coming soon |
| MathVision w/ Python | 97.8% | Coming soon | Coming soon |
| BabyVision w/ Python | 85.7% | Coming soon | Coming soon |
| ZeroBench | 23.0% | Coming soon | Coming soon |
| ZeroBench w/ Python | 41.0% | Coming soon | Coming soon |
| WorldVQA ForceAnswer | 51.0% | Coming soon | Coming soon |
| OmniDocBench | 91.1% | Coming soon | Coming soon |
| PerceptionBench | 58.5% | Coming soon | Coming soon |

### Knowledge

- Winner: Directional only
- Kimi K3 public-lane score: 67.9 (Supported · #18/171)
- Qwen3.5 Flash public-lane score: 43.8 (Estimated · #86/171)

| Benchmark | Kimi K3 | Qwen3.5 Flash | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 93.5% | Coming soon | Coming soon |
| GPQA-D | 93.5% | Coming soon | Coming soon |
| HLE | 56% | Coming soon | Coming soon |
| HLE w/o tools | 43.5% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 92.9% | 82.8% | Kimi K3 |
| MMLU-Pro (Vals) | 88.0% | 84.1% | Kimi K3 |

### Instruction Following

- Winner: Not comparable
- Kimi K3 public-lane score: Coming soon
- Qwen3.5 Flash public-lane score: Coming soon

| Benchmark | Kimi K3 | Qwen3.5 Flash | Winner |
|-----------|-----------|-----------|--------|
| Gray Swan IPI (15 attempts) | 52.7% | Coming soon | Coming soon |

### Mathematics

- Winner: Not comparable
- Kimi K3 public-lane score: Coming soon
- Qwen3.5 Flash public-lane score: 28.4 (Unranked · 2 rankable rows)

| Benchmark | Kimi K3 | Qwen3.5 Flash | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | Coming soon | 6.207% | Coming soon |
| FrontierMath v2 (Tier 4) | Coming soon | 0.000% | Coming soon |

## FAQ

### Which is better overall, Kimi K3 or Qwen3.5 Flash?

Kimi K3 has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between Kimi K3 and Qwen3.5 Flash?

The widest category gap is in coding, where the averages are 61.4 for Kimi K3 and 26.7 for Qwen3.5 Flash.

### How many benchmarks does Kimi K3 cover on BenchLM?

Kimi K3 currently has 48 sourced benchmark scores on BenchLM.

### How many benchmarks does Qwen3.5 Flash cover on BenchLM?

Qwen3.5 Flash currently has 6 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Kimi K3 vs GPT-6 Astra](/compare/gpt-6-astra-vs-kimi-k3)
- [Qwen3.5 Flash vs GPT-6 Astra](/compare/gpt-6-astra-vs-qwen3-5-flash)
- [Kimi K3 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-kimi-k3)
- [Qwen3.5 Flash vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-qwen3-5-flash)

## Explore More

- [Kimi K3 profile](/models/kimi-k3)
- [Qwen3.5 Flash profile](/models/qwen3-5-flash)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)