Seed-2.0-Lite vs Claude 3 Haiku

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

Seed-2.0-Lite is clearly ahead on the aggregate, 63 to 49. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Seed-2.0-Lite's sharpest advantage is in coding, where it averages 41.4 against 19.3. The single biggest benchmark swing on the page is SWE-bench Verified, 45 to 17.

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

Quick Verdict

Pick Seed-2.0-Lite 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-Lite

Seed-2.0-Lite

55.1

Claude 3 Haiku

44

52
Terminal-Bench 2.0
40
63
BrowseComp
53
53
OSWorld-Verified
42

Coding

Seed-2.0-Lite

Seed-2.0-Lite

41.4

Claude 3 Haiku

19.3

63
HumanEval
48
45
SWE-bench Verified
17
37
LiveCodeBench
20
45
SWE-bench Pro
19

Multimodal & Grounded

Seed-2.0-Lite

Seed-2.0-Lite

79.6

Claude 3 Haiku

68.7

80
MMMU-Pro
70
79
OfficeQA Pro
67

Reasoning

Seed-2.0-Lite

Seed-2.0-Lite

73

Claude 3 Haiku

59.6

68
SimpleQA
54
66
MuSR
52
85
BBH
74
76
LongBench v2
63
77
MRCRv2
63

Knowledge

Seed-2.0-Lite

Seed-2.0-Lite

53.9

Claude 3 Haiku

42.8

71
MMLU
56
70
GPQA
56
68
SuperGPQA
54
66
OpenBookQA
52
73
MMLU-Pro
63
7
HLE
2
66
FrontierScience
50

Instruction Following

Seed-2.0-Lite

Seed-2.0-Lite

89

Claude 3 Haiku

76

89
IFEval
76

Multilingual

Seed-2.0-Lite

Seed-2.0-Lite

82.5

Claude 3 Haiku

71.1

87
MGSM
73
80
MMLU-ProX
70

Mathematics

Seed-2.0-Lite

Seed-2.0-Lite

75

Claude 3 Haiku

62.2

71
AIME 2023
56
73
AIME 2024
58
72
AIME 2025
57
67
HMMT Feb 2023
52
69
HMMT Feb 2024
54
68
HMMT Feb 2025
53
70
BRUMO 2025
55
81
MATH-500
71

Frequently Asked Questions

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

Seed-2.0-Lite is ahead overall, 63 to 49. The biggest single separator in this matchup is SWE-bench Verified, where the scores are 45 and 17.

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

Seed-2.0-Lite has the edge for knowledge tasks in this comparison, averaging 53.9 versus 42.8. Inside this category, FrontierScience is the benchmark that creates the most daylight between them.

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

Seed-2.0-Lite has the edge for coding in this comparison, averaging 41.4 versus 19.3. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.

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

Seed-2.0-Lite has the edge for math in this comparison, averaging 75 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-Lite or Claude 3 Haiku?

Seed-2.0-Lite has the edge for reasoning in this comparison, averaging 73 versus 59.6. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.

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

Seed-2.0-Lite has the edge for agentic tasks in this comparison, averaging 55.1 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-Lite or Claude 3 Haiku?

Seed-2.0-Lite has the edge for multimodal and grounded tasks in this comparison, averaging 79.6 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-Lite or Claude 3 Haiku?

Seed-2.0-Lite has the edge for instruction following in this comparison, averaging 89 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-Lite or Claude 3 Haiku?

Seed-2.0-Lite has the edge for multilingual tasks in this comparison, averaging 82.5 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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