Claude 4 Sonnet vs Seed-2.0-Lite

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

Claude 4 Sonnet finishes one point ahead overall, 64 to 63. That is enough to call, but not enough to treat as a blowout. This matchup comes down to a few meaningful edges rather than one model dominating the board.

Claude 4 Sonnet's sharpest advantage is in knowledge, where it averages 56.8 against 53.9. The single biggest benchmark swing on the page is SWE-bench Verified, 51 to 45. Seed-2.0-Lite does hit back in instruction following, so the answer changes if that is the part of the workload you care about most.

Seed-2.0-Lite gives you the larger context window at 256K, compared with 200K for Claude 4 Sonnet.

Quick Verdict

Pick Claude 4 Sonnet if you want the stronger benchmark profile. Seed-2.0-Lite only becomes the better choice if instruction following is the priority or you need the larger 256K context window.

Agentic

Claude 4 Sonnet

Claude 4 Sonnet

57.9

Seed-2.0-Lite

55.1

56
Terminal-Bench 2.0
52
62
BrowseComp
63
57
OSWorld-Verified
53

Coding

Claude 4 Sonnet

Claude 4 Sonnet

42.9

Seed-2.0-Lite

41.4

65
HumanEval
63
51
SWE-bench Verified
45
36
LiveCodeBench
37
48
SWE-bench Pro
45

Multimodal & Grounded

Claude 4 Sonnet

Claude 4 Sonnet

79.7

Seed-2.0-Lite

79.6

81
MMMU-Pro
80
78
OfficeQA Pro
79

Reasoning

Seed-2.0-Lite

Claude 4 Sonnet

71.8

Seed-2.0-Lite

73

71
SimpleQA
68
69
MuSR
66
82
BBH
85
71
LongBench v2
76
72
MRCRv2
77

Knowledge

Claude 4 Sonnet

Claude 4 Sonnet

56.8

Seed-2.0-Lite

53.9

73
MMLU
71
73
GPQA
70
71
SuperGPQA
68
69
OpenBookQA
66
75
MMLU-Pro
73
12
HLE
7
67
FrontierScience
66

Instruction Following

Seed-2.0-Lite

Claude 4 Sonnet

83

Seed-2.0-Lite

89

83
IFEval
89

Multilingual

Seed-2.0-Lite

Claude 4 Sonnet

82.1

Seed-2.0-Lite

82.5

84
MGSM
87
81
MMLU-ProX
80

Mathematics

Claude 4 Sonnet

Claude 4 Sonnet

76.1

Seed-2.0-Lite

75

73
AIME 2023
71
75
AIME 2024
73
74
AIME 2025
72
69
HMMT Feb 2023
67
71
HMMT Feb 2024
69
70
HMMT Feb 2025
68
72
BRUMO 2025
70
81
MATH-500
81

Frequently Asked Questions

Which is better, Claude 4 Sonnet or Seed-2.0-Lite?

Claude 4 Sonnet is ahead overall, 64 to 63. The biggest single separator in this matchup is SWE-bench Verified, where the scores are 51 and 45.

Which is better for knowledge tasks, Claude 4 Sonnet or Seed-2.0-Lite?

Claude 4 Sonnet has the edge for knowledge tasks in this comparison, averaging 56.8 versus 53.9. Inside this category, HLE is the benchmark that creates the most daylight between them.

Which is better for coding, Claude 4 Sonnet or Seed-2.0-Lite?

Claude 4 Sonnet has the edge for coding in this comparison, averaging 42.9 versus 41.4. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.

Which is better for math, Claude 4 Sonnet or Seed-2.0-Lite?

Claude 4 Sonnet has the edge for math in this comparison, averaging 76.1 versus 75. Inside this category, AIME 2023 is the benchmark that creates the most daylight between them.

Which is better for reasoning, Claude 4 Sonnet or Seed-2.0-Lite?

Seed-2.0-Lite has the edge for reasoning in this comparison, averaging 73 versus 71.8. Inside this category, LongBench v2 is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, Claude 4 Sonnet or Seed-2.0-Lite?

Claude 4 Sonnet has the edge for agentic tasks in this comparison, averaging 57.9 versus 55.1. 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, Claude 4 Sonnet or Seed-2.0-Lite?

Claude 4 Sonnet has the edge for multimodal and grounded tasks in this comparison, averaging 79.7 versus 79.6. Inside this category, MMMU-Pro is the benchmark that creates the most daylight between them.

Which is better for instruction following, Claude 4 Sonnet or Seed-2.0-Lite?

Seed-2.0-Lite has the edge for instruction following in this comparison, averaging 89 versus 83. Inside this category, IFEval is the benchmark that creates the most daylight between them.

Which is better for multilingual tasks, Claude 4 Sonnet or Seed-2.0-Lite?

Seed-2.0-Lite has the edge for multilingual tasks in this comparison, averaging 82.5 versus 82.1. Inside this category, MGSM is the benchmark that creates the most daylight between them.

Last updated: March 12, 2026

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