Kimi K2 Instruct
Kimi K2 Instruct (Moonshot) was released on Jul 12, 2025. In the Epoch AI capability ranking (ECI), it ranks #123 out of 267 models, with 140.13.
What to compare Kimi K2 Instruct with
The models from other labs closest in capability and released in the same period, at most two per lab. Click any of them to see its page.
| Model | Lab | ECI | ELO | LiveBench | Release |
|---|---|---|---|---|---|
| GLM-4.6 | Z.ai (Zhipu AI) | 140.78 | 1,500 | n/a | Sep 30, 2025 |
| o3-mini | OpenAI | 140.33 | 1,379 | n/a | Jan 31, 2025 |
| Grok-3 mini | xAI | 140.33 | 1,394 | n/a | Jun 24, 2025 |
| Kimi K2 Instruct | Moonshot | 140.13 | n/a | n/a | Jul 12, 2025 |
| gpt-oss-120b | OpenAI | 140.00 | 1,385 | n/a | Aug 5, 2025 |
| DeepSeek-V3.1 | DeepSeek | 139.91 | 1,469 | n/a | Aug 21, 2025 |
| Qwen3-30B-A3B-Thinking (Jul 2025) | Alibaba | 139.61 | 1,347 | n/a | Jul 30, 2025 |
Other models from Moonshot
The models from the same lab closest in time, newest first.
| Model | Release | ECI | ELO | LiveBench | Access |
|---|---|---|---|---|---|
| Kimi K3 | Jul 16, 2026 | 157.42 | 1,528 | 79.2 | Open weights (non-commercial) |
| Kimi K2.7 Code | Jun 12, 2026 | 149.87 | n/a | 68.4 | Open weights (unrestricted) |
| Kimi K2.6 | Apr 20, 2026 | 150.92 | 1,521 | 70.5 | Open weights (unrestricted) |
| Kimi K2.5 | Jan 27, 2026 | 147.98 | 1,495 | n/a | Open weights (unrestricted) |
| Kimi K2 Thinking | Nov 6, 2025 | 145.96 | n/a | n/a | Open weights (restricted use) |
| Kimi K2 Thinking Turbo | Nov 6, 2025 | 145.79 | 1,456 | n/a | Open weights (restricted use) |
| Kimi K2 Instruct | Jul 12, 2025 | 140.13 | n/a | n/a | Open weights (restricted use) |
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What people ask about Kimi K2 Instruct
Where does Kimi K2 Instruct rank among AI models?
In the ROO3 AI Benchmark, ordered by the Epoch AI ECI, Kimi K2 Instruct ranks #123 out of 267 models, with an ECI of 140.13. The ECI is a composite index that combines several hard benchmarks into a single scale. The position changes when a new model comes out, and the page is refreshed six times a day.
Where do the numbers on this page come from?
From the same three sources as the ranking, all openly licensed: Epoch AI (ECI and individual tests, CC BY 4.0), Arena (human-preference ELO, CC BY 4.0) and LiveBench (overall average, CC BY-SA 4.0). ROO3 does not measure any model. When the page shows a figure published by the maker itself, it appears in the written analysis, labeled as the maker's, and never enters the ranking.
Where each number comes from
Epoch AI, "AI Benchmarking Hub". Published at epoch.ai. Data under the CC BY 4.0 licence, reordered by roo3.co.
The Arena (LMArena) leaderboard, from the public lmarena-ai/leaderboard-dataset on Hugging Face, under the CC BY 4.0 licence. We are not affiliated with the Arena.
LiveBench, by the LiveBench team, published at livebench.ai under the CC BY-SA 4.0 license. The overall average is recomputed by roo3.co with the same formula as the website (average of the categories), and those numbers stay under CC BY-SA 4.0. We are not affiliated with LiveBench.
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