# Grok 4.6 vs Kimi K2.6

> Side-by-side benchmark comparison for Grok 4.6 and Kimi K2.6 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/grok-4-6-vs-kimi-2-6
- Last updated: September 25, 2026

- Shared sourced benchmarks: 5
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.7

## Quick Verdict

Pick Grok 4.6 if you want the stronger benchmark profile. Kimi K2.6 only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Grok 4.6 leads overall 69.19 to 59.12.
- The clearest category separation is in agentic, where the averages are 67.9 for Grok 4.6 and 43.6 for Kimi K2.6.
- The biggest single benchmark swing is Terminal-Bench 2.1 (Vals) in Agentic, with scores of 78.3% and 53.6%.
- Kimi K2.6 is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Grok 4.6 also has the larger context window at 500K.

## Model Snapshot

| Property | Grok 4.6 | Kimi K2.6 |
|----------|----------|----------|
| Creator | xAI | Moonshot AI |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 500K | 256K |
| Overall Score | 69.19 | 59.12 |
| Benchmarks Covered | 17 | 37 |
| Pricing (input/output) | $2.00 / $6.00 | $0.95 / $4.00 |

## Category Breakdown

### Agentic

- Winner: Grok 4.6
- Grok 4.6 public-lane score: 67.9 (Supported · #8/105)
- Kimi K2.6 public-lane score: 43.6 (Supported · #41/105)

| Benchmark | Grok 4.6 | Kimi K2.6 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 3.0 | 26.5% | Coming soon | Coming soon |
| APEX-Agents | 57.5% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 78.3% | 53.6% | Grok 4.6 |
| ApprenticeBench | 13% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 66.7% | Coming soon |
| BrowseComp | Coming soon | 83.2% | Coming soon |
| OSWorld-Verified | Coming soon | 73.1% | Coming soon |
| Toolathlon | Coming soon | 50% | Coming soon |
| MCP Atlas | Coming soon | 55.9% | Coming soon |
| Claw-Eval | Coming soon | 62.3% | Coming soon |
| DeepSearchQA | Coming soon | 92.5% | Coming soon |
| WideResearch | Coming soon | 80.8% | Coming soon |
| Gert Labs | Coming soon | 56.82% | Coming soon |
| ResearchClawBench | Coming soon | 18.0% | Coming soon |
| OSWorld 2.0 | Coming soon | 4.6% | Coming soon |

### Coding

- Winner: Grok 4.6
- Grok 4.6 public-lane score: 62 (Supported · #14/135)
- Kimi K2.6 public-lane score: 47.4 (Supported · #42/135)

| Benchmark | Grok 4.6 | Kimi K2.6 | Winner |
|-----------|-----------|-----------|--------|
| Bug Hunt Bench | 27 fixes | Coming soon | Coming soon |
| DeepSWE | 65.9% | Coming soon | Coming soon |
| cursorBench32 | 70.8% | Coming soon | Coming soon |
| FrontierCode 1.1 Extended | 61.3% | Coming soon | Coming soon |
| VulcanBench v3 | 87.0% | Coming soon | Coming soon |
| FrontierSWE v2 | 25.3% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 88.2% | 86.8% | Grok 4.6 |
| SWE-bench (Vals) | 95.6% | 76.2% | Grok 4.6 |
| SWE-bench Verified | Coming soon | 80.2% | Coming soon |
| LiveCodeBench v6 | Coming soon | 89.6% | Coming soon |
| SWE-bench Pro | Coming soon | 58.6% | Coming soon |
| SWE Multilingual | Coming soon | 76.7% | Coming soon |
| SciCode | Coming soon | 52.2% | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 66.7% | Coming soon |
| Vibe Code Bench | Coming soon | 37.89% | Coming soon |
| cursorBench31 | Coming soon | 47.6% | Coming soon |

### Reasoning

- Winner: Not comparable
- Grok 4.6 public-lane score: 57.6 (#16/19)
- Kimi K2.6 public-lane score: Coming soon

| Benchmark | Grok 4.6 | Kimi K2.6 | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-1 | 87.00% | Coming soon | Coming soon |
| ARC-AGI-2 | 67.1% | Coming soon | Coming soon |
| ARC-AGI-3 | 2.1% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Grok 4.6 public-lane score: Coming soon
- Kimi K2.6 public-lane score: 63.9 (#27/50)

| Benchmark | Grok 4.6 | Kimi K2.6 | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | Coming soon | 79.4% | Coming soon |
| MMMU-Pro w/ Python | Coming soon | 80.1% | Coming soon |
| CharXiv | Coming soon | 80.4% | Coming soon |
| MathVision | Coming soon | 87.4% | Coming soon |
| V* | Coming soon | 96.9% | Coming soon |

### Knowledge

- Winner: Grok 4.6
- Grok 4.6 public-lane score: 69 (Supported · #13/158)
- Kimi K2.6 public-lane score: 59 (Supported · #35/158)

| Benchmark | Grok 4.6 | Kimi K2.6 | Winner |
|-----------|-----------|-----------|--------|
| GPQA Diamond (Vals) | 94.7% | 89.1% | Grok 4.6 |
| MMLU-Pro (Vals) | 89.4% | 87.6% | Grok 4.6 |
| GPQA | Coming soon | 90.5% | Coming soon |
| GPQA-D | Coming soon | 90.5% | Coming soon |
| HLE | Coming soon | 34.7% | Coming soon |

### Mathematics

- Winner: Not comparable
- Grok 4.6 public-lane score: Coming soon
- Kimi K2.6 public-lane score: 71 (#1/7)

| Benchmark | Grok 4.6 | Kimi K2.6 | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | Coming soon | 96.4% | Coming soon |
| HMMT Feb 2026 | Coming soon | 92.7% | Coming soon |
| MMAnswerBench | Coming soon | 86.0% | Coming soon |
| FrontierMath v2 (Tiers 1-3) | Coming soon | 38.966% | Coming soon |
| FrontierMath v2 (Tier 4) | Coming soon | 14.580% | Coming soon |

## FAQ

### Which is better overall, Grok 4.6 or Kimi K2.6?

Grok 4.6 is ahead overall on BenchLM right now.

### Where is the biggest gap between Grok 4.6 and Kimi K2.6?

The widest category gap is in agentic, where the averages are 67.9 for Grok 4.6 and 43.6 for Kimi K2.6.

### How many benchmarks does Grok 4.6 cover on BenchLM?

Grok 4.6 currently has 17 sourced benchmark scores on BenchLM.

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

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

## Related Comparisons

- [Grok 4.6 vs GPT-6 Astra](/compare/gpt-6-astra-vs-grok-4-6)
- [Kimi K2.6 vs GPT-6 Astra](/compare/gpt-6-astra-vs-kimi-2-6)
- [Grok 4.6 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-grok-4-6)
- [Kimi K2.6 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-kimi-2-6)

## Explore More

- [Grok 4.6 profile](/models/grok-4-6)
- [Kimi K2.6 profile](/models/kimi-2-6)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)