What is the difference between Gemini 2.5 Pro Experimental and GPT-4.1?

Gemini 2.5 Pro Experimental is developed by Google AI while GPT-4.1 is developed by OpenAI. Gemini 2.5 Pro Experimental has a 1.0M token context window vs GPT-4.1's 1.0M. These results are based on blind head-to-head voting across 43 challenges.

Which is better, Gemini 2.5 Pro Experimental or GPT-4.1?

Based on 162 community votes on Rival, Gemini 2.5 Pro Experimental and GPT-4.1 are closely matched with similar win rates. The better choice depends on your specific use case. Compare their real outputs side-by-side across 43 challenges to decide.

How much does Gemini 2.5 Pro Experimental cost compared to GPT-4.1?

Gemini 2.5 Pro Experimental costs $1/M input tokens and GPT-4.1 costs $2/M input tokens. Gemini 2.5 Pro Experimental is $1.00/M cheaper per input. The more expensive model wins 52% of duels, so the premium may be justified by quality.

How are Gemini 2.5 Pro Experimental vs GPT-4.1 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. 162 votes have been collected for this pair across 43 challenges. All vote data is part of Rival's open dataset.

Updated Apr 2025

Gemini 2.5 Pro ExperimentalvsGPT-4.1

Gemini 2.5 Pro Experimental and GPT-4.1 are dead even across 162 blind community votes on Rival.

Gemini 2.5 Pro Experimental and GPT-4.1 compared across 43 shared prompts
Spec	Gemini 2.5 Pro Experimental	GPT-4.1
Win rate	48%	52%
Input price	$1/M tokens	$2/M tokens
Output price	$2/M tokens	$8/M tokens
Context window	1.0M tokens	1.0M tokens
Parameters	Not disclosed	Not disclosed
Weights	Closed	Closed
Free API (OpenRouter)	No	No
Released	Mar 2025	Apr 2025
SWE-bench Verified	63.8%	54.6%

Our Verdict

Gemini 2.5 Pro Experimental

GPT-4.1

Too close to call. Pick based on your use case.

Pick Gemini 2.5 Pro Experimental for Conversation, Image Generation, Web Design. Pick GPT-4.1 for Analysis, Reasoning. Gemini 2.5 Pro Experimental costs 4.0x less per token.

Too close to call

API pricing