Claude 1vsKimi K2.7 Code
Claude 1 | Kimi K2.7 Code | |
|---|---|---|
| Specifications | ||
Parameters | — | 1T |
Context window | 9k | 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. | — | 1469 |
| Overview | ||
| Company | Anthropic | Moonshot AI |
| Release date | Mar 14 2023 | Jun 12 2026 |
| Access | Proprietary | Open Weight |
Which is better: Claude 1 or Kimi K2.7 Code?
Claude 1 and Kimi K2.7 Code don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 1 shipped 1186 days before Kimi K2.7 Code, so benchmark comparisons should account for the intervening progress.
Context windows are 9k (Claude 1) vs 256k (Kimi K2.7 Code). Claude 1 is proprietary, while Kimi K2.7 Code is open weight.
Direct benchmark comparisons are unavailable — Claude 1 and Kimi K2.7 Code don't publish scores on any of the same benchmarks.
Frequently asked questions
Claude 1 was released by Anthropic on Mar 14 2023.
Kimi K2.7 Code was released by Moonshot AI on Jun 12 2026.
Claude 1 has a 9k context window; Kimi K2.7 Code has 256k.
Claude 1 is a proprietary model released by Anthropic. Kimi K2.7 Code is an open weight model released by Moonshot AI.