o4-mini (high) vs Seed-2.0-Mini

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

o4-mini (high) is clearly ahead on the aggregate, 63 to 53. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

o4-mini (high)'s sharpest advantage is in mathematics, where it averages 82.9 against 65.1. The single biggest benchmark swing on the page is SWE-bench Verified, 45 to 22. Seed-2.0-Mini does hit back in multimodal & grounded, so the answer changes if that is the part of the workload you care about most.

Seed-2.0-Mini gives you the larger context window at 256K, compared with 200K for o4-mini (high).

Quick Verdict

Pick o4-mini (high) if you want the stronger benchmark profile. Seed-2.0-Mini only becomes the better choice if multimodal & grounded is the priority or you need the larger 256K context window.

Agentic

o4-mini (high)

o4-mini (high)

58.5

Seed-2.0-Mini

46.2

58
Terminal-Bench 2.0
43
64
BrowseComp
53
55
OSWorld-Verified
45

Coding

o4-mini (high)

o4-mini (high)

38.7

Seed-2.0-Mini

24.7

74
HumanEval
55
45
SWE-bench Verified
22
34
LiveCodeBench
21
42
SWE-bench Pro
29

Multimodal & Grounded

Seed-2.0-Mini

o4-mini (high)

68.3

Seed-2.0-Mini

73.1

66
MMMU-Pro
74
71
OfficeQA Pro
72

Reasoning

o4-mini (high)

o4-mini (high)

77.4

Seed-2.0-Mini

64.8

80
SimpleQA
59
78
MuSR
57
83
BBH
73
75
LongBench v2
68
74
MRCRv2
72

Knowledge

o4-mini (high)

o4-mini (high)

61.2

Seed-2.0-Mini

44.6

82
MMLU
62
82
GPQA
61
80
SuperGPQA
59
78
OpenBookQA
57
76
MMLU-Pro
62
13
HLE
1
73
FrontierScience
54

Instruction Following

o4-mini (high)

o4-mini (high)

83

Seed-2.0-Mini

80

83
IFEval
80

Multilingual

o4-mini (high)

o4-mini (high)

81.7

Seed-2.0-Mini

71.8

83
MGSM
75
81
MMLU-ProX
70

Mathematics

o4-mini (high)

o4-mini (high)

82.9

Seed-2.0-Mini

65.1

83
AIME 2023
62
85
AIME 2024
64
84
AIME 2025
63
79
HMMT Feb 2023
58
81
HMMT Feb 2024
60
80
HMMT Feb 2025
59
82
BRUMO 2025
61
84
MATH-500
70

Frequently Asked Questions

Which is better, o4-mini (high) or Seed-2.0-Mini?

o4-mini (high) is ahead overall, 63 to 53. The biggest single separator in this matchup is SWE-bench Verified, where the scores are 45 and 22.

Which is better for knowledge tasks, o4-mini (high) or Seed-2.0-Mini?

o4-mini (high) has the edge for knowledge tasks in this comparison, averaging 61.2 versus 44.6. Inside this category, GPQA is the benchmark that creates the most daylight between them.

Which is better for coding, o4-mini (high) or Seed-2.0-Mini?

o4-mini (high) has the edge for coding in this comparison, averaging 38.7 versus 24.7. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.

Which is better for math, o4-mini (high) or Seed-2.0-Mini?

o4-mini (high) has the edge for math in this comparison, averaging 82.9 versus 65.1. Inside this category, AIME 2023 is the benchmark that creates the most daylight between them.

Which is better for reasoning, o4-mini (high) or Seed-2.0-Mini?

o4-mini (high) has the edge for reasoning in this comparison, averaging 77.4 versus 64.8. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, o4-mini (high) or Seed-2.0-Mini?

o4-mini (high) has the edge for agentic tasks in this comparison, averaging 58.5 versus 46.2. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.

Which is better for multimodal and grounded tasks, o4-mini (high) or Seed-2.0-Mini?

Seed-2.0-Mini has the edge for multimodal and grounded tasks in this comparison, averaging 73.1 versus 68.3. Inside this category, MMMU-Pro is the benchmark that creates the most daylight between them.

Which is better for instruction following, o4-mini (high) or Seed-2.0-Mini?

o4-mini (high) has the edge for instruction following in this comparison, averaging 83 versus 80. Inside this category, IFEval is the benchmark that creates the most daylight between them.

Which is better for multilingual tasks, o4-mini (high) or Seed-2.0-Mini?

o4-mini (high) has the edge for multilingual tasks in this comparison, averaging 81.7 versus 71.8. Inside this category, MMLU-ProX is the benchmark that creates the most daylight between them.

Last updated: March 12, 2026

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