Kimi Linear vs GPT-4.1 nano
Moonshot AI Kimi Linear | OpenAI GPT-4.1 nano | |
|---|---|---|
| Overview | ||
| Company | Moonshot AI | OpenAI |
| Release date | Oct 2025 | Apr 14 2025 |
| Access | Open Weight | Proprietary |
| Specifications | ||
Parameters | 48B | — |
Context window | — | 1M |
| Timeline | ||
| Release gap | GPT-4.1 nano shipped 170 days before Kimi Linear | |
Which is better: Kimi Linear or GPT-4.1 nano?
Kimi Linear and GPT-4.1 nano don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. GPT-4.1 nano shipped 170 days before Kimi Linear, so benchmark comparisons should account for the intervening progress.
Kimi Linear is open weight, while GPT-4.1 nano is proprietary.
Direct benchmark comparisons are unavailable — Kimi Linear and GPT-4.1 nano don't publish scores on any of the same benchmarks.
Frequently asked questions
Kimi Linear was released by Moonshot AI on Oct 2025.
GPT-4.1 nano was released by OpenAI on Apr 14 2025.
Kimi Linear is an open weight model released by Moonshot AI. GPT-4.1 nano is a proprietary model released by OpenAI.
Other comparisons
Kimi Linear vs Claude Sonnet 5GPT-4.1 nano vs Claude Sonnet 5Kimi Linear vs Gemini OmniGPT-4.1 nano vs Gemini OmniKimi Linear vs Muse Spark 1.1GPT-4.1 nano vs Muse Spark 1.1Kimi Linear vs Grok 4.5GPT-4.1 nano vs Grok 4.5Kimi Linear vs DeepSeek-V4-ProGPT-4.1 nano vs DeepSeek-V4-ProKimi Linear vs Mistral Medium 3.5GPT-4.1 nano vs Mistral Medium 3.5