What is the difference between Claude Haiku 4.5 and Kimi K2 0905?

Claude Haiku 4.5 is developed by Anthropic while Kimi K2 0905 is developed by Moonshot AI. Claude Haiku 4.5 has a 200K token context window vs Kimi K2 0905's 262K. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, Claude Haiku 4.5 or Kimi K2 0905?

It depends on your use case. Claude Haiku 4.5 and Kimi K2 0905 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 54 challenges so you can judge which fits your needs best.

How much does Claude Haiku 4.5 cost compared to Kimi K2 0905?

Claude Haiku 4.5 costs $1/M input tokens and Kimi K2 0905 costs $0.6/M input tokens. Kimi K2 0905 is $0.40/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 Claude Haiku 4.5 and Kimi K2 0905 on Rival?

This page shows a side-by-side comparison of Claude Haiku 4.5 and Kimi K2 0905 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 Oct 2025

Claude Haiku 4.5vsKimi K2 0905

Kimi K2 0905 is cheaper than Claude Haiku 4.5 at $0.6/M vs $1/M input tokens.

Claude Haiku 4.5 and Kimi K2 0905 compared across 54 shared prompts
Spec	Claude Haiku 4.5	Kimi K2 0905
Input price	$1/M tokens	$0.6/M tokens
Output price	$5/M tokens	$2.5/M tokens
Context window	200K tokens	262K tokens
Weights	Closed	Open
Free API (OpenRouter)	No	No
Released	Oct 2025	Sep 2025