Expired60% confidenceFactExact time
Kimi's own K2.6 version ranked only 13th on the same SWE-bench leaderboard, while Composer 2.5 trained on the open-source K2 ranked third.
2
Sources
60%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026(expired)
Sources
Cursor Composer 2.5: The Secret Behind an Open-Source Model's Reinforcement Training to a Top-3 Coding Benchmark Ranking
bilibili鲲鹏Talk5/20/2026
Related Claims
UnverifiedKimi K2.6 has held the top position on the SWE-Bench leaderboard for several consecutive weeks.69% similarUnverifiedK2.7 Code has not yet published its SWE-Bench scores, and all performance data is self-reported by Moonshot AI; the previously released K2.6 had a self-reported score that differed from third-party reproductions by 15 to 20 percentage points.65% similarUnverifiedK2.7-Code's total quality score is 153.5 points, while K2.6's total quality score is 79 points, with K2.7-Code leading by 74.5 points.64% similarUnverifiedKimi K2.7 Code scored 81.1 on the MCP Mark Verified benchmark, an 11.4% improvement over K2.6's score of 72.8.64% similar
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