Kimi K2.7 CodevsGrok Code Fast 1
Kimi K2.7 Code | Grok Code Fast 1 | |
|---|---|---|
| Specifications | ||
Parameters | 1T | — |
Context window | 256k | — |
| 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% | — |
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. | 1469Best | 1163 |
| Overview | ||
| Company | Moonshot AI | SpaceXAI |
| Release date | Jun 12 2026 | Aug 28 2025 |
| Access | Open Weight | Proprietary |
Which is better: Kimi K2.7 Code or Grok Code Fast 1?
Kimi K2.7 Code leads Grok Code Fast 1 on 1 of the 1 benchmark they both report (Arena Elo (Code)). Grok Code Fast 1 shipped 288 days before Kimi K2.7 Code, so benchmark comparisons should account for the intervening progress.
Kimi K2.7 Code is open weight, while Grok Code Fast 1 is proprietary.
On Arena Elo (Code), Kimi K2.7 Code leads at 1469 vs Grok Code Fast 1 at 1163.
Frequently asked questions
Kimi K2.7 Code was released by Moonshot AI on Jun 12 2026.
Grok Code Fast 1 was released by SpaceXAI on Aug 28 2025.
Kimi K2.7 Code is an open weight model released by Moonshot AI. Grok Code Fast 1 is a proprietary model released by SpaceXAI.
Other comparisons
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