Question 1

What is the difference between DeepSeek R1 and GPT-5?

Accepted Answer

DeepSeek R1 is developed by DeepSeek while GPT-5 is developed by OpenAI. DeepSeek R1 has a 128K token context window vs GPT-5's 400K. in 7 community votes on RIVAL, DeepSeek R1 wins 57% of head-to-head matchups. These results are based on blind head-to-head voting across 37 challenges.

Question 2

Which is better, DeepSeek R1 or GPT-5?

Accepted Answer

Based on 7 community votes on RIVAL, DeepSeek R1 wins 57% of head-to-head matchups against GPT-5. DeepSeek R1 is strongest in Web Design. However, GPT-5 leads in Image Generation.

Question 3

How much does DeepSeek R1 cost compared to GPT-5?

Accepted Answer

DeepSeek R1 costs $0.55/M input tokens and GPT-5 costs $1.25/M input tokens. DeepSeek R1 is $0.70/M cheaper per input. DeepSeek R1 also wins more often in community votes, making it the better value.

Question 4

How are DeepSeek R1 vs GPT-5 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. 7 votes have been collected for this pair across 37 challenges. All vote data is part of RIVAL's open dataset.