# Kimi K2.6 vs Step 3.7 Flash

> Side-by-side benchmark comparison for Kimi K2.6 and Step 3.7 Flash across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/kimi-2-6-vs-step-3-7-flash
- Last updated: October 15, 2026

- Shared sourced benchmarks: 7
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Kimi K2.6 leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Kimi K2.6 has the higher overall point estimate 60.38 to 43.7. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in knowledge, where the averages are 60.3 for Kimi K2.6 and 45 for Step 3.7 Flash.
- The biggest single benchmark swing is BrowseComp in Agentic, with scores of 83.2% and 75.8%.
- Step 3.7 Flash is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | Kimi K2.6 | Step 3.7 Flash |
|----------|----------|----------|
| Creator | Moonshot AI | StepFun |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 256K | 256K |
| Overall Score | 60.38 | 43.7 |
| Benchmarks Covered | 37 | 11 |
| Pricing (input/output) | $0.95 / $4.00 | $0.20 / $1.15 |

## Category Breakdown

### Agentic

- Winner: Directional only
- Kimi K2.6 public-lane score: 44.5 (Supported · #58/126)
- Step 3.7 Flash public-lane score: 37.1 (Estimated · #74/126)

| Benchmark | Kimi K2.6 | Step 3.7 Flash | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 66.7% | Coming soon | Coming soon |
| BrowseComp | 83.2% | 75.8% | Kimi K2.6 |
| OSWorld-Verified | 73.1% | Coming soon | Coming soon |
| Toolathlon | 50% | 49.5% | Kimi K2.6 |
| MCP Atlas | 55.9% | Coming soon | Coming soon |
| Claw-Eval | 62.3% | 67.1% | Step 3.7 Flash |
| DeepSearchQA | 92.5% | 92.8% | Step 3.7 Flash |
| WideResearch | 80.8% | Coming soon | Coming soon |
| Gert Labs | 56.82% | 51.57% | Kimi K2.6 |
| ResearchClawBench | 18.0% | Coming soon | Coming soon |
| OSWorld 2.0 | 4.6% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 53.6% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 59.5% | Coming soon |
| HLE w/ tools | Coming soon | 47.2% | Coming soon |

### Coding

- Winner: Directional only
- Kimi K2.6 public-lane score: 43.2 (Supported · #56/149)
- Step 3.7 Flash public-lane score: 30.2 (Estimated · #95/149)

| Benchmark | Kimi K2.6 | Step 3.7 Flash | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 80.2% | Coming soon | Coming soon |
| LiveCodeBench v6 | 89.6% | Coming soon | Coming soon |
| SWE-bench Pro | 58.6% | 56.3% | Kimi K2.6 |
| SWE Multilingual | 76.7% | Coming soon | Coming soon |
| SciCode | 52.2% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | 66.7% | Coming soon | Coming soon |
| Vibe Code Bench | 37.89% | Coming soon | Coming soon |
| cursorBench31 | 47.6% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 86.8% | Coming soon | Coming soon |
| SWE-bench (Vals) | 76.2% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 59.5% | Coming soon |

### Reasoning

- Winner: Not comparable
- Kimi K2.6 public-lane score: Coming soon
- Step 3.7 Flash public-lane score: 76.5 (Unranked · 2 rankable rows)

### Multimodal & Grounded

- Winner: Not comparable
- Kimi K2.6 public-lane score: 73.8 (#27/54)
- Step 3.7 Flash public-lane score: 75.4 (Unranked · 3 rankable rows)

| Benchmark | Kimi K2.6 | Step 3.7 Flash | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 79.4% | Coming soon | Coming soon |
| MMMU-Pro w/ Python | 80.1% | Coming soon | Coming soon |
| CharXiv | 80.4% | Coming soon | Coming soon |
| MathVision | 87.4% | Coming soon | Coming soon |
| V* | 96.9% | 95.3% | Kimi K2.6 |
| SimpleVQA | Coming soon | 79.2% | Coming soon |

### Knowledge

- Winner: Directional only
- Kimi K2.6 public-lane score: 60.3 (Supported · #48/182)
- Step 3.7 Flash public-lane score: 45 (Estimated · #96/182)

| Benchmark | Kimi K2.6 | Step 3.7 Flash | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 90.5% | Coming soon | Coming soon |
| GPQA-D | 90.5% | Coming soon | Coming soon |
| HLE | 34.7% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 89.1% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 87.6% | Coming soon | Coming soon |

### Instruction Following

- Winner: Not comparable
- Kimi K2.6 public-lane score: Coming soon
- Step 3.7 Flash public-lane score: 82.1 (#54/146)

### Mathematics

- Winner: Not comparable
- Kimi K2.6 public-lane score: 76.8 (#4/12)
- Step 3.7 Flash public-lane score: Coming soon

| Benchmark | Kimi K2.6 | Step 3.7 Flash | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | 96.4% | Coming soon | Coming soon |
| HMMT Feb 2026 | 92.7% | Coming soon | Coming soon |
| MMAnswerBench | 86.0% | Coming soon | Coming soon |
| FrontierMath v2 (Tiers 1-3) | 57.193% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 25.641% | Coming soon | Coming soon |

## FAQ

### Which is better overall, Kimi K2.6 or Step 3.7 Flash?

Kimi K2.6 has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between Kimi K2.6 and Step 3.7 Flash?

The widest category gap is in knowledge, where the averages are 60.3 for Kimi K2.6 and 45 for Step 3.7 Flash.

### How many benchmarks does Kimi K2.6 cover on BenchLM?

Kimi K2.6 currently has 37 sourced benchmark scores on BenchLM.

### How many benchmarks does Step 3.7 Flash cover on BenchLM?

Step 3.7 Flash currently has 11 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Kimi K2.6 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-kimi-2-6)
- [Step 3.7 Flash vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-step-3-7-flash)
- [Kimi K2.6 vs GPT-6.1 Sol](/compare/gpt-6-1-sol-vs-kimi-2-6)
- [Step 3.7 Flash vs GPT-6.1 Sol](/compare/gpt-6-1-sol-vs-step-3-7-flash)

## Explore More

- [Kimi K2.6 profile](/models/kimi-2-6)
- [Step 3.7 Flash profile](/models/step-3-7-flash)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)