# Kimi K2.6 vs Laguna S 2.1

> Side-by-side benchmark comparison for Kimi K2.6 and Laguna S 2.1 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/kimi-2-6-vs-laguna-s-2-1
- Last updated: September 4, 2026

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

## Quick Verdict

Pick Kimi K2.6 if you want the stronger benchmark profile. Laguna S 2.1 only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Kimi K2.6 leads overall 65.3 to 56.
- The clearest category separation is in coding, where the averages are 51.6 for Kimi K2.6 and 47.8 for Laguna S 2.1.
- The biggest single benchmark swing is Terminal-Bench 2.0 in Agentic, with scores of 66.7% and 70.2%.
- Laguna S 2.1 is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Laguna S 2.1 also has the larger context window at 1M.

## Model Snapshot

| Property | Kimi K2.6 | Laguna S 2.1 |
|----------|----------|----------|
| Creator | Moonshot AI | Poolside |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 256K | 1M |
| Overall Score | 65.3 | null |
| Benchmarks Covered | 37 | 6 |
| Pricing (input/output) | $0.95 / $4.00 | $0.10 / $0.20 |

## Category Breakdown

### Agentic

- Winner: Coming soon
- Kimi K2.6 public-lane score: 46.1 (Estimated · #88/151)
- Laguna S 2.1 public-lane score: 48.2 (Estimated · #77/151)

| Benchmark | Kimi K2.6 | Laguna S 2.1 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 66.7% | 70.2% | Laguna S 2.1 |
| BrowseComp | 83.2% | Coming soon | Coming soon |
| OSWorld-Verified | 73.1% | Coming soon | Coming soon |
| Toolathlon | 50% | Coming soon | Coming soon |
| MCP Atlas | 55.9% | Coming soon | Coming soon |
| Claw-Eval | 62.3% | Coming soon | Coming soon |
| DeepSearchQA | 92.5% | Coming soon | Coming soon |
| WideResearch | 80.8% | Coming soon | Coming soon |
| Gert Labs | 56.82% | Coming soon | Coming soon |
| 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 |
| Toolathlon-Verified | Coming soon | 49.7% | Coming soon |

### Coding

- Winner: Coming soon
- Kimi K2.6 public-lane score: 51.6 (Supported · #62/183)
- Laguna S 2.1 public-lane score: 47.8 (Estimated · #87/183)

| Benchmark | Kimi K2.6 | Laguna S 2.1 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 80.2% | Coming soon | Coming soon |
| LiveCodeBench v6 | 89.6% | Coming soon | Coming soon |
| SWE-bench Pro | 58.6% | 59.4% | Laguna S 2.1 |
| SWE Multilingual | 76.7% | 78.5% | Laguna S 2.1 |
| SciCode | 52.2% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | 66.7% | 70.2% | Laguna S 2.1 |
| 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 |
| deepSwe | Coming soon | 40.4% | Coming soon |

### Multimodal & Grounded

- Winner: Coming soon
- Kimi K2.6 public-lane score: 63.2 (#26/48)
- Laguna S 2.1 public-lane score: Coming soon

| Benchmark | Kimi K2.6 | Laguna S 2.1 | 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% | Coming soon | Coming soon |

### Knowledge

- Winner: Coming soon
- Kimi K2.6 public-lane score: 61.7 (Supported · #34/181)
- Laguna S 2.1 public-lane score: Coming soon

| Benchmark | Kimi K2.6 | Laguna S 2.1 | 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 |

### Mathematics

- Winner: Coming soon
- Kimi K2.6 public-lane score: 71.3 (#1/7)
- Laguna S 2.1 public-lane score: Coming soon

| Benchmark | Kimi K2.6 | Laguna S 2.1 | 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) | 38.966% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 14.580% | Coming soon | Coming soon |

## FAQ

### Which is better overall, Kimi K2.6 or Laguna S 2.1?

Kimi K2.6 is ahead overall on BenchLM right now.

### Where is the biggest gap between Kimi K2.6 and Laguna S 2.1?

The widest category gap is in coding, where the averages are 51.6 for Kimi K2.6 and 47.8 for Laguna S 2.1.

### 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 Laguna S 2.1 cover on BenchLM?

Laguna S 2.1 currently has 6 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Kimi K2.6 vs Laguna M.1](/compare/kimi-2-6-vs-laguna-m-1)
- [Laguna S 2.1 vs Laguna M.1](/compare/laguna-m-1-vs-laguna-s-2-1)
- [Kimi K2.6 vs Laguna XS.2](/compare/kimi-2-6-vs-laguna-xs-2)
- [Laguna S 2.1 vs Laguna XS.2](/compare/laguna-s-2-1-vs-laguna-xs-2)

## Explore More

- [Kimi K2.6 profile](/models/kimi-2-6)
- [Laguna S 2.1 profile](/models/laguna-s-2-1)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)
