Kimi K2.7 CodevsGPT-5

Kimi K2.7 Code
GPT-5
Specifications
Parameters
1T
Context window
256k
Benchmarks
Nonsense detection
BullshitBench v2
21%
Agentic coding
CursorBench v3.2
49.7%
Agentic coding
DeepSWE 1.1
31%
Next.js coding
Next.js Evals
75%
Community preference (code)
Arena Elo (Code)
1469Best
1419
Overview
CompanyMoonshot AIOpenAI
Release dateJun 12 2026Aug 7 2025
AccessOpen WeightProprietary

Which is better: Kimi K2.7 Code or GPT-5?

Kimi K2.7 Code leads GPT-5 on 1 of the 1 benchmark they both report (Arena Elo (Code)). GPT-5 shipped 309 days before Kimi K2.7 Code, so benchmark comparisons should account for the intervening progress.

Kimi K2.7 Code is open weight, while GPT-5 is proprietary.

On Arena Elo (Code), Kimi K2.7 Code leads at 1469 vs GPT-5 at 1419.

Frequently asked questions

Kimi K2.7 Code was released by Moonshot AI on Jun 12 2026.

GPT-5 was released by OpenAI on Aug 7 2025.

Kimi K2.7 Code is an open weight model released by Moonshot AI. GPT-5 is a proprietary model released by OpenAI.

Other comparisons