DeepSeek-R1 vs GPT-OSS 120B

Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.

Quick Verdict

GPT-OSS 120B wins overall with a score of 42 vs 35 (7 point difference).GPT-OSS 120B wins 4 out of 4 categories.

Knowledge

GPT-OSS 120B

DeepSeek-R1

41.8

GPT-OSS 120B

48.8

44
MMLU
51
43
GPQA
50
41
SuperGPQA
48
39
OpenBookQA
46

Coding

GPT-OSS 120B

DeepSeek-R1

36

GPT-OSS 120B

43

36
HumanEval
43

Mathematics

GPT-OSS 120B

DeepSeek-R1

43

GPT-OSS 120B

50

44
AIME 2023
51
46
AIME 2024
53
45
AIME 2025
52
40
HMMT Feb 2023
47
42
HMMT Feb 2024
49
41
HMMT Feb 2025
48
43
BRUMO 2025
50

Reasoning

GPT-OSS 120B

DeepSeek-R1

41

GPT-OSS 120B

48

42
SimpleQA
49
40
MuSR
47

Frequently Asked Questions

Which is better, DeepSeek-R1 or GPT-OSS 120B?

GPT-OSS 120B scores higher overall with 42 vs 35, a difference of 7 points across all benchmarks.

Which is better for knowledge tasks, DeepSeek-R1 or GPT-OSS 120B?

GPT-OSS 120B leads in knowledge tasks with an average score of 48.8 vs 41.8.

Which is better for coding, DeepSeek-R1 or GPT-OSS 120B?

GPT-OSS 120B leads in coding with an average score of 43 vs 36.

Which is better for math, DeepSeek-R1 or GPT-OSS 120B?

GPT-OSS 120B leads in math with an average score of 50 vs 43.

Which is better for reasoning, DeepSeek-R1 or GPT-OSS 120B?

GPT-OSS 120B leads in reasoning with an average score of 48 vs 41.