What is the difference between Gemini 2.5 Pro Experimental and Grok Code Fast 1?

Gemini 2.5 Pro Experimental is developed by Google AI while Grok Code Fast 1 is developed by xAI. Gemini 2.5 Pro Experimental has a 1.0M token context window vs Grok Code Fast 1's 256K. in 24 community votes on Rival, Gemini 2.5 Pro Experimental wins 91% of head-to-head matchups. These results are based on blind head-to-head voting across 43 challenges.

Which is better, Gemini 2.5 Pro Experimental or Grok Code Fast 1?

Based on 24 community votes on Rival, Gemini 2.5 Pro Experimental wins 91% of head-to-head matchups against Grok Code Fast 1. Gemini 2.5 Pro Experimental is strongest in Image Generation, Web Design, Reasoning.

How much does Gemini 2.5 Pro Experimental cost compared to Grok Code Fast 1?

Gemini 2.5 Pro Experimental costs $1/M input tokens and Grok Code Fast 1 costs $0.2/M input tokens. Grok Code Fast 1 is $0.80/M cheaper per input. The more expensive model wins 91% of duels, so the premium may be justified by quality.

How are Gemini 2.5 Pro Experimental vs Grok Code Fast 1 votes collected on Rival?

Rival presents both models' outputs side-by-side in blind duels. Voters see the responses but don't know which model produced each one, eliminating brand bias. 24 votes have been collected for this pair across 43 challenges. All vote data is part of Rival's open dataset.

Updated Aug 2025

Gemini 2.5 Pro ExperimentalvsGrok Code Fast 1

Gemini 2.5 Pro Experimental wins 91% of 24 blind community votes against Grok Code Fast 1 on Rival.

Gemini 2.5 Pro Experimental and Grok Code Fast 1 compared across 43 shared prompts
Spec	Gemini 2.5 Pro Experimental	Grok Code Fast 1
Win rate	91%	9%
Input price	$1/M tokens	$0.2/M tokens
Output price	$2/M tokens	$1.5/M tokens
Context window	1.0M tokens	256K tokens
Weights	Closed	—
Free API (OpenRouter)	No	No
Released	Mar 2025	Aug 2025
SWE-bench Verified	63.8%	70.8%