Claude 4.1 Opus vs Seed-2.0-Lite

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

Claude 4.1 Opus 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 4.1 Opus's sharpest advantage is in knowledge, where it averages 57.6 against 53.9. The single biggest benchmark swing on the page is Terminal-Bench 2.0, 58 to 52. 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 4.1 Opus.

Quick Verdict

Pick Claude 4.1 Opus 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 4.1 Opus

Claude 4.1 Opus

58.7

Seed-2.0-Lite

55.1

58
Terminal-Bench 2.0
52
62
BrowseComp
63
57
OSWorld-Verified
53

Coding

Claude 4.1 Opus

Claude 4.1 Opus

44

Seed-2.0-Lite

41.4

68
HumanEval
63
48
SWE-bench Verified
45
40
LiveCodeBench
37
47
SWE-bench Pro
45

Multimodal & Grounded

Claude 4.1 Opus

Claude 4.1 Opus

80.7

Seed-2.0-Lite

79.6

82
MMMU-Pro
80
79
OfficeQA Pro
79

Reasoning

Seed-2.0-Lite

Claude 4.1 Opus

72.9

Seed-2.0-Lite

73

74
SimpleQA
68
72
MuSR
66
81
BBH
85
71
LongBench v2
76
71
MRCRv2
77

Knowledge

Claude 4.1 Opus

Claude 4.1 Opus

57.6

Seed-2.0-Lite

53.9

76
MMLU
71
76
GPQA
70
74
SuperGPQA
68
72
OpenBookQA
66
75
MMLU-Pro
73
11
HLE
7
68
FrontierScience
66

Instruction Following

Seed-2.0-Lite

Claude 4.1 Opus

83

Seed-2.0-Lite

89

83
IFEval
89

Multilingual

Seed-2.0-Lite

Claude 4.1 Opus

81.8

Seed-2.0-Lite

82.5

85
MGSM
87
80
MMLU-ProX
80

Mathematics

Claude 4.1 Opus

Claude 4.1 Opus

77.7

Seed-2.0-Lite

75

76
AIME 2023
71
78
AIME 2024
73
77
AIME 2025
72
72
HMMT Feb 2023
67
74
HMMT Feb 2024
69
73
HMMT Feb 2025
68
75
BRUMO 2025
70
81
MATH-500
81

Frequently Asked Questions

Which is better, Claude 4.1 Opus or Seed-2.0-Lite?

Claude 4.1 Opus is ahead overall, 64 to 63. The biggest single separator in this matchup is Terminal-Bench 2.0, where the scores are 58 and 52.

Which is better for knowledge tasks, Claude 4.1 Opus or Seed-2.0-Lite?

Claude 4.1 Opus has the edge for knowledge tasks in this comparison, averaging 57.6 versus 53.9. Inside this category, GPQA is the benchmark that creates the most daylight between them.

Which is better for coding, Claude 4.1 Opus or Seed-2.0-Lite?

Claude 4.1 Opus has the edge for coding in this comparison, averaging 44 versus 41.4. Inside this category, HumanEval is the benchmark that creates the most daylight between them.

Which is better for math, Claude 4.1 Opus or Seed-2.0-Lite?

Claude 4.1 Opus has the edge for math in this comparison, averaging 77.7 versus 75. Inside this category, AIME 2023 is the benchmark that creates the most daylight between them.

Which is better for reasoning, Claude 4.1 Opus or Seed-2.0-Lite?

Seed-2.0-Lite has the edge for reasoning in this comparison, averaging 73 versus 72.9. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, Claude 4.1 Opus or Seed-2.0-Lite?

Claude 4.1 Opus has the edge for agentic tasks in this comparison, averaging 58.7 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 4.1 Opus or Seed-2.0-Lite?

Claude 4.1 Opus has the edge for multimodal and grounded tasks in this comparison, averaging 80.7 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 4.1 Opus 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 4.1 Opus or Seed-2.0-Lite?

Seed-2.0-Lite has the edge for multilingual tasks in this comparison, averaging 82.5 versus 81.8. Inside this category, MGSM is the benchmark that creates the most daylight between them.

Last updated: March 12, 2026

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