Kimi K2.7 Codevso1
Kimi K2.7 Code | o1 | |
|---|---|---|
| Specifications | ||
Parameters | 1T | — |
Context window | 256k | 200k |
| Benchmarks | ||
Agentic coding CursorBench v3.2Cursor's own test of harder, real-world coding tasks inside a code editor, on the refreshed v3.2 task set. Scores aren't comparable with v3.1. Higher is better. | 49.7% | — |
Agentic coding DeepSWE 1.1Artificial Analysis' independent test of deep, agentic software-engineering work — the AI has to plan and carry out substantial coding tasks end to end. (Version 1.1 of the test.) Higher is better. | 31% | — |
Next.js coding Next.js EvalsVercel's open eval of how well AI coding agents build and migrate real Next.js apps — measured as the share of tasks the agent completes successfully. Higher is better. | 75% | — |
Science GPQA DiamondGraduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | — | 75.7% |
Community preference (code) Arena Elo (Code)Like the text arena, but people vote on which AI writes better code. The votes become a chess-style Elo rating on arena.ai. Higher is better. | 1469 | — |
| Overview | ||
| Company | Moonshot AI | OpenAI |
| Release date | Jun 12 2026 | Dec 5 2024 |
| Access | Open Weight | Proprietary |
Which is better: Kimi K2.7 Code or o1?
Kimi K2.7 Code and o1 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. o1 shipped 554 days before Kimi K2.7 Code, so benchmark comparisons should account for the intervening progress.
Context windows are 256k (Kimi K2.7 Code) vs 200k (o1). Kimi K2.7 Code is open weight, while o1 is proprietary.
Direct benchmark comparisons are unavailable — Kimi K2.7 Code and o1 don't publish scores on any of the same benchmarks.
Frequently asked questions
Kimi K2.7 Code was released by Moonshot AI on Jun 12 2026.
o1 was released by OpenAI on Dec 5 2024.
Kimi K2.7 Code has a 256k context window; o1 has 200k.
Kimi K2.7 Code is an open weight model released by Moonshot AI. o1 is a proprietary model released by OpenAI.
Other comparisons
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