What is the difference between DeepSeek R1 and GPT-4.1?

DeepSeek R1 is developed by DeepSeek while GPT-4.1 is developed by OpenAI. DeepSeek R1 has a 128K token context window vs GPT-4.1's 1.0M. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, DeepSeek R1 or GPT-4.1?

It depends on your use case. DeepSeek R1 and GPT-4.1 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 53 challenges so you can judge which fits your needs best.

How much does DeepSeek R1 cost compared to GPT-4.1?

DeepSeek R1 costs $0.55/M input tokens and GPT-4.1 costs $2/M input tokens. DeepSeek R1 is $1.45/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 DeepSeek R1 and GPT-4.1 on Rival?

This page shows a side-by-side comparison of DeepSeek R1 and GPT-4.1 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 Apr 2025

DeepSeek R1vsGPT-4.1

DeepSeek R1 is cheaper than GPT-4.1 at $0.55/M vs $2/M input tokens.

DeepSeek R1 and GPT-4.1 compared across 53 shared prompts
Spec	DeepSeek R1	GPT-4.1
Input price	$0.55/M tokens	$2/M tokens
Output price	$2.19/M tokens	$8/M tokens
Context window	128K tokens	1.0M tokens
Parameters	671B (37B active)	Not disclosed
Weights	Open	Closed
Free API (OpenRouter)	No	No
Released	Feb 2025	Apr 2025
SWE-bench Verified	49.2%	54.6%