What is the difference between Kimi Linear 48B A3B Instruct and OpenAI o4-mini?

Kimi Linear 48B A3B Instruct is developed by Moonshot AI while OpenAI o4-mini is developed by OpenAI. You can compare their actual outputs across 35 challenges on Rival to see how they differ in practice.

Which is better, Kimi Linear 48B A3B Instruct or OpenAI o4-mini?

It depends on your use case. Kimi Linear 48B A3B Instruct and OpenAI o4-mini each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 35 challenges so you can judge which fits your needs best.

How much does Kimi Linear 48B A3B Instruct cost compared to OpenAI o4-mini?

Kimi Linear 48B A3B Instruct costs $0.3/M input tokens and OpenAI o4-mini costs $1.1/M input tokens. Kimi Linear 48B A3B Instruct is $0.80/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare Kimi Linear 48B A3B Instruct and OpenAI o4-mini on Rival?

This page shows a side-by-side comparison of Kimi Linear 48B A3B Instruct and OpenAI o4-mini across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

Updated Nov 2025

Kimi Linear 48B A3B InstructvsOpenAI o4-mini

Kimi Linear 48B A3B Instruct is cheaper than OpenAI o4-mini at $0.3/M vs $1.1/M input tokens.

Kimi Linear 48B A3B Instruct and OpenAI o4-mini compared across 35 shared prompts
Spec	Kimi Linear 48B A3B Instruct	OpenAI o4-mini
Input price	$0.3/M tokens	$1.1/M tokens
Output price	$0.6/M tokens	$4.4/M tokens
Context window	1.0M tokens	—
Weights	Open	Closed
Free API (OpenRouter)	No	No
Released	Nov 2025	Apr 2025