What is the difference between Grok Code Fast 1 and Kimi K2.7 Code?

Grok Code Fast 1 is developed by xAI while Kimi K2.7 Code is developed by Moonshot AI. Grok Code Fast 1 has a 256K token context window vs Kimi K2.7 Code's 262K. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, Grok Code Fast 1 or Kimi K2.7 Code?

It depends on your use case. Grok Code Fast 1 and Kimi K2.7 Code 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 Grok Code Fast 1 cost compared to Kimi K2.7 Code?

Grok Code Fast 1 costs $0.2/M input tokens and Kimi K2.7 Code costs $0.95/M input tokens. Grok Code Fast 1 is $0.75/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 Grok Code Fast 1 and Kimi K2.7 Code on Rival?

This page shows a side-by-side comparison of Grok Code Fast 1 and Kimi K2.7 Code 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 Jun 2026

Grok Code Fast 1vsKimi K2.7 Code

Grok Code Fast 1 is cheaper than Kimi K2.7 Code at $0.2/M vs $0.95/M input tokens.

Grok Code Fast 1 and Kimi K2.7 Code compared across 54 shared prompts
Spec	Grok Code Fast 1	Kimi K2.7 Code
Input price	$0.2/M tokens	$0.95/M tokens
Output price	$1.5/M tokens	$4/M tokens
Context window	256K tokens	262K tokens
Weights	—	Open
Free API (OpenRouter)	No	No
Released	Aug 2025	Jun 2026