Seed-2.0-Mini vs Claude 3 Haiku

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

Seed-2.0-Mini is clearly ahead on the aggregate, 53 to 49. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Seed-2.0-Mini's sharpest advantage is in coding, where it averages 24.7 against 19.3. The single biggest benchmark swing on the page is SWE-bench Pro, 29 to 19.

Seed-2.0-Mini gives you the larger context window at 256K, compared with 200K for Claude 3 Haiku.

Quick Verdict

Pick Seed-2.0-Mini if you want the stronger benchmark profile. Claude 3 Haiku only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.

Agentic

Seed-2.0-Mini

Seed-2.0-Mini

46.2

Claude 3 Haiku

44

43
Terminal-Bench 2.0
40
53
BrowseComp
53
45
OSWorld-Verified
42

Coding

Seed-2.0-Mini

Seed-2.0-Mini

24.7

Claude 3 Haiku

19.3

55
HumanEval
48
22
SWE-bench Verified
17
21
LiveCodeBench
20
29
SWE-bench Pro
19

Multimodal & Grounded

Seed-2.0-Mini

Seed-2.0-Mini

73.1

Claude 3 Haiku

68.7

74
MMMU-Pro
70
72
OfficeQA Pro
67

Reasoning

Seed-2.0-Mini

Seed-2.0-Mini

64.8

Claude 3 Haiku

59.6

59
SimpleQA
54
57
MuSR
52
73
BBH
74
68
LongBench v2
63
72
MRCRv2
63

Knowledge

Seed-2.0-Mini

Seed-2.0-Mini

44.6

Claude 3 Haiku

42.8

62
MMLU
56
61
GPQA
56
59
SuperGPQA
54
57
OpenBookQA
52
62
MMLU-Pro
63
1
HLE
2
54
FrontierScience
50

Instruction Following

Seed-2.0-Mini

Seed-2.0-Mini

80

Claude 3 Haiku

76

80
IFEval
76

Multilingual

Seed-2.0-Mini

Seed-2.0-Mini

71.8

Claude 3 Haiku

71.1

75
MGSM
73
70
MMLU-ProX
70

Mathematics

Seed-2.0-Mini

Seed-2.0-Mini

65.1

Claude 3 Haiku

62.2

62
AIME 2023
56
64
AIME 2024
58
63
AIME 2025
57
58
HMMT Feb 2023
52
60
HMMT Feb 2024
54
59
HMMT Feb 2025
53
61
BRUMO 2025
55
70
MATH-500
71

Frequently Asked Questions

Which is better, Seed-2.0-Mini or Claude 3 Haiku?

Seed-2.0-Mini is ahead overall, 53 to 49. The biggest single separator in this matchup is SWE-bench Pro, where the scores are 29 and 19.

Which is better for knowledge tasks, Seed-2.0-Mini or Claude 3 Haiku?

Seed-2.0-Mini has the edge for knowledge tasks in this comparison, averaging 44.6 versus 42.8. Inside this category, MMLU is the benchmark that creates the most daylight between them.

Which is better for coding, Seed-2.0-Mini or Claude 3 Haiku?

Seed-2.0-Mini has the edge for coding in this comparison, averaging 24.7 versus 19.3. Inside this category, SWE-bench Pro is the benchmark that creates the most daylight between them.

Which is better for math, Seed-2.0-Mini or Claude 3 Haiku?

Seed-2.0-Mini has the edge for math in this comparison, averaging 65.1 versus 62.2. Inside this category, AIME 2023 is the benchmark that creates the most daylight between them.

Which is better for reasoning, Seed-2.0-Mini or Claude 3 Haiku?

Seed-2.0-Mini has the edge for reasoning in this comparison, averaging 64.8 versus 59.6. Inside this category, MRCRv2 is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, Seed-2.0-Mini or Claude 3 Haiku?

Seed-2.0-Mini has the edge for agentic tasks in this comparison, averaging 46.2 versus 44. 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, Seed-2.0-Mini or Claude 3 Haiku?

Seed-2.0-Mini has the edge for multimodal and grounded tasks in this comparison, averaging 73.1 versus 68.7. Inside this category, OfficeQA Pro is the benchmark that creates the most daylight between them.

Which is better for instruction following, Seed-2.0-Mini or Claude 3 Haiku?

Seed-2.0-Mini has the edge for instruction following in this comparison, averaging 80 versus 76. Inside this category, IFEval is the benchmark that creates the most daylight between them.

Which is better for multilingual tasks, Seed-2.0-Mini or Claude 3 Haiku?

Seed-2.0-Mini has the edge for multilingual tasks in this comparison, averaging 71.8 versus 71.1. Inside this category, MGSM is the benchmark that creates the most daylight between them.

Last updated: March 12, 2026

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