AI Model Release Tracker - Timeline of Major AI Models from 2022-2026

Kimi K2.7 Code vs GPT-5 mini

Moonshot AI
Kimi K2.7 Code
OpenAI
GPT-5 mini
Overview
CompanyMoonshot AIOpenAI
Release dateJun 12 2026Aug 7 2025
Model type
Open sourceYesNo
Specifications
Parameters
1T
Context window
256k
Benchmarks
Timeline
Release gapGPT-5 mini shipped 309 days before Kimi K2.7 Code

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

Kimi K2.7 Code and GPT-5 mini don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. GPT-5 mini shipped 309 days before Kimi K2.7 Code, so benchmark comparisons should account for the intervening progress.

Kimi K2.7 Code is an open-source / open-weight model; GPT-5 mini is proprietary.

Direct benchmark comparisons are unavailable — Kimi K2.7 Code and GPT-5 mini don't publish scores on any of the same benchmarks.

Frequently asked questions

When was Kimi K2.7 Code released?
Kimi K2.7 Code was released by Moonshot AI on Jun 12 2026.
When was GPT-5 mini released?
GPT-5 mini was released by OpenAI on Aug 7 2025.
Is Kimi K2.7 Code or GPT-5 mini open source?
Kimi K2.7 Code is an open-source / open-weight model released by Moonshot AI. GPT-5 mini is a proprietary model released by OpenAI.

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