Question 1

What is the difference between DeepSeek R1 and Claude Sonnet 4?

Accepted Answer

DeepSeek R1 is developed by DeepSeek while Claude Sonnet 4 is developed by Anthropic. DeepSeek R1 has a 128K token context window vs Claude Sonnet 4's 200K. in 23 community votes on RIVAL, Claude Sonnet 4 wins 79% of head-to-head matchups. These results are based on blind head-to-head voting across 24 challenges.

Question 2

Which is better, DeepSeek R1 or Claude Sonnet 4?

Accepted Answer

Based on 23 community votes on RIVAL, Claude Sonnet 4 wins 79% of head-to-head matchups against DeepSeek R1. Claude Sonnet 4 is strongest in Image Generation.

Question 3

How much does DeepSeek R1 cost compared to Claude Sonnet 4?

Accepted Answer

DeepSeek R1 costs $0.55/M input tokens and Claude Sonnet 4 costs $3/M input tokens. DeepSeek R1 is $2.45/M cheaper per input. The more expensive model wins 79% of duels, so the premium may be justified by quality.

Question 4

How are DeepSeek R1 vs Claude Sonnet 4 votes collected on RIVAL?

Accepted Answer

RIVAL presents both models' outputs side-by-side in blind duels — voters see the responses but don't know which model produced each one. This eliminates brand bias. 23 votes have been collected for this pair across 24 challenges. All vote data is part of RIVAL's open dataset.