What is the difference between Claude Opus 4 and DeepSeek R1 0528?

Claude Opus 4 is developed by Anthropic while DeepSeek R1 0528 is developed by DeepSeek. Claude Opus 4 has a 200K token context window vs DeepSeek R1 0528's 164K. in 25 community votes on Rival, Claude Opus 4 wins 86% of head-to-head matchups. These results are based on blind head-to-head voting across 53 challenges.

Which is better, Claude Opus 4 or DeepSeek R1 0528?

Based on 25 community votes on Rival, Claude Opus 4 wins 86% of head-to-head matchups against DeepSeek R1 0528. Claude Opus 4 is strongest in Image Generation, Web Design, Analysis.

How much does Claude Opus 4 cost compared to DeepSeek R1 0528?

Claude Opus 4 costs $15/M input tokens and DeepSeek R1 0528 costs $0/M input tokens. DeepSeek R1 0528 is $15.00/M cheaper per input. The more expensive model wins 86% of duels, so the premium may be justified by quality.

How are Claude Opus 4 vs DeepSeek R1 0528 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. 25 votes have been collected for this pair across 53 challenges. All vote data is part of Rival's open dataset.

Updated May 2025

Claude Opus 4vsDeepSeek R1 0528

Claude Opus 4 wins 86% of 25 blind community votes against DeepSeek R1 0528 on Rival.

Claude Opus 4 and DeepSeek R1 0528 compared across 53 shared prompts
Spec	Claude Opus 4	DeepSeek R1 0528
Win rate	86%	14%
Input price	$15/M tokens	Free
Output price	$75/M tokens	Free
Context window	200K tokens	164K tokens
Parameters	Not disclosed	671B (37B active)
Weights	Closed	Open
Free API (OpenRouter)	No	No
Released	May 2025	May 2025
SWE-bench Verified	72.5%	57.6%