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Kimi-Dev vs GPT-4o mini

Moonshot AI Kimi-Dev vs OpenAI GPT-4o mini — side-by-side specs.

Moonshot AI
Kimi-Dev
OpenAI
GPT-4o mini
Overview
CompanyMoonshot AIOpenAI
Release dateJun 2025Jul 18 2024
Model type
Open sourceYesNo
Specifications
Parameters
72B
Context window
Benchmarks
Timeline
Release gapGPT-4o mini shipped 318 days before Kimi-Dev

Which is better: Kimi-Dev or GPT-4o mini?

Kimi-Dev and GPT-4o mini don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. GPT-4o mini shipped 318 days before Kimi-Dev, so benchmark comparisons should account for the intervening progress.

Kimi-Dev is an open-source / open-weight model; GPT-4o mini is proprietary.

Direct benchmark comparisons are unavailable — Kimi-Dev and GPT-4o mini don't publish scores on any of the same benchmarks.

Frequently asked questions

When was Kimi-Dev released?
Kimi-Dev was released by Moonshot AI on Jun 2025.
When was GPT-4o mini released?
GPT-4o mini was released by OpenAI on Jul 18 2024.
Is Kimi-Dev or GPT-4o mini open source?
Kimi-Dev is an open-source / open-weight model released by Moonshot AI. GPT-4o mini is a proprietary model released by OpenAI.

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