Updated daily at 05:00 UTC
Language
Kimi K2.6
- Released
- 20 Apr 2026
- Status
- Legacy
- Context
- 262.1K
- Max output
- —
- Input per 1M tokens
- $0.95
- Output per 1M tokens
- $4.00
- Open weights
- Yes
- License
- modified-mit
- Parameters
- 1000B, 32B active
- Knowledge cutoff
- —
- Reasoning
- Yes
- Modalities
- text, image, video → text
Category scores
Out of 100, from independent and third-party results only, by method category-2026-09-29.1.
| Category | Score | Rank | Coverage |
|---|---|---|---|
| Knowledge & reasoning | 22.8 | 74 | 3 of 4 |
| Factuality & hallucination | 34.9 | 43 | 1 of 1 |
| Human preference | 60.3 | 5 | 3 of 5 |
Benchmark results
Every result we hold for this model, with who ran it and where it was published.
Knowledge & reasoning
| Benchmark | Metric | Value | Provenance | Setting | Evaluated | Source |
|---|---|---|---|---|---|---|
| Chess Puzzles | Puzzles solved | 26.0% | Independent | — | 7 May 2026 | Epoch AI |
| DTBench (Decision Theory Benchmark) | Accuracy (capability questions) | 90.9% | Third party | — | — | https://conceptualreasoning.ai/dtbench via Epoch AI |
| Earthborne Rangers (EBR-bench) | Objectives reached | 2.4% | Independent | — | 25 Jun 2026 | Epoch AI |
| Humanity's Last Exam (HLE) | Accuracy | 54.0% | Self-reported | — | — | Model Card via Hugging Face Community Evals |
| LMCA (Language Model Conceptual Argumentation) | Correlation with expert ratings (Pearson r) | 0.3726 | Third party | — | — | https://conceptualreasoning.ai/lmca via Epoch AI |
| Mystery Game Puzzles | Puzzles solved | 18.0% | Independent | — | 17 Jul 2026 | Epoch AI |
| Mystery Game Puzzles | Puzzles solved | 12.0% | Independent | none | 29 Aug 2026 | Epoch AI |
Scientific reasoning
| Benchmark | Metric | Value | Provenance | Setting | Evaluated | Source |
|---|---|---|---|---|---|---|
| GPQA Diamond | Accuracy | 90.8% | Independent | — | 1 May 2026 | Epoch AI |
| GPQA Diamond | Accuracy | 90.5% | Self-reported | — | — | Model Card via Hugging Face Community Evals |
Mathematics
| Benchmark | Metric | Value | Provenance | Setting | Evaluated | Source |
|---|---|---|---|---|---|---|
| FrontierMath Tier 4 | Accuracy | 25.6% | Independent | — | 10 Jun 2026 | Epoch AI |
| FrontierMath Tier 4 (v1) | Accuracy | 14.6% | Independent | — | 8 May 2026 | Epoch AI |
| FrontierMath Tiers 1-3 | Accuracy | 57.2% | Independent | — | 10 Jun 2026 | Epoch AI |
| FrontierMath Tiers 1-3 (v1) | Accuracy | 39.0% | Independent | — | 7 May 2026 | Epoch AI |
| OTIS Mock AIME 2024-2025 | Accuracy | 96.1% | Independent | — | 2 May 2026 | Epoch AI |
Coding & software engineering
| Benchmark | Metric | Value | Provenance | Setting | Evaluated | Source |
|---|---|---|---|---|---|---|
| ExploitBench | Mean capability | 18.4% | Source not stated | — | — | Epoch AI via Epoch AI |
| ExploitBench | Mean capability | 16.3% | Source not stated | — | — | Epoch AI via Epoch AI |
| SWE-bench Verified | % resolved | 76.7% | Independent | — | 8 May 2026 | Epoch AI |
| WeirdML (v2) | Average accuracy | 55.9% | Third party | — | — | https://htihle.github.io/weirdml.html via Epoch AI |
Computer & browser use
| Benchmark | Metric | Value | Provenance | Setting | Evaluated | Source |
|---|---|---|---|---|---|---|
| OSWorld 2.0 | Binary completion (500 steps) | 4.6% | Third party | — | — | https://osworld-v2.xlang.ai/ via Epoch AI |
Vision & multimodal understanding
| Benchmark | Metric | Value | Provenance | Setting | Evaluated | Source |
|---|---|---|---|---|---|---|
| Furniture Assembly | Score | 21.7% | Independent | — | 11 Sep 2026 | Epoch AI |
Factuality & hallucination
| Benchmark | Metric | Value | Provenance | Setting | Evaluated | Source |
|---|---|---|---|---|---|---|
| SimpleQA Verified | Accuracy (% correct) | 34.9% | Independent | — | 10 Aug 2026 | Epoch AI |
Human preference
| Benchmark | Metric | Value | Provenance | Setting | Evaluated | Source |
|---|---|---|---|---|---|---|
| Code Arena: WebDev (arena.ai) | Arena score (Elo scale) | 1509 | Independent | — | 25 Sep 2026 | Arena |
| Code Arena: WebDev (arena.ai) | Votes | 10202 | Independent | — | 25 Sep 2026 | Arena |
| Document Arena (arena.ai) | Arena score (Elo scale) | 1450 | Independent | — | 13 Sep 2026 | Arena |
| Document Arena (arena.ai) | Votes | 11291 | Independent | — | 13 Sep 2026 | Arena |
| Text Arena (arena.ai) | Arena score (Elo scale) | 1461 | Independent | — | 25 Sep 2026 | Arena |
| Text Arena (arena.ai) | Votes | 39971 | Independent | — | 25 Sep 2026 | Arena |
| Vision Arena (arena.ai) | Arena score (Elo scale) | 1265 | Independent | — | 28 Sep 2026 | Arena |
| Vision Arena (arena.ai) | Votes | 16416 | Independent | — | 28 Sep 2026 | Arena |
Other Kimi K versions
- Kimi K316 Jul 2026
- Kimi K2.7 Code12 Jun 2026
- Kimi K2.527 Jan 2026
- Kimi K2 Thinking6 Nov 2025
- Kimi K211 Jul 2025
- Kimi Thinking PreviewMay 2025
- kimi-latestFeb 2025