Gemini 3.1 Pro vs Seed-2.0-Lite

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

Gemini 3.1 Pro is clearly ahead on the aggregate, 84 to 63. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Gemini 3.1 Pro's sharpest advantage is in coding, where it averages 71.9 against 41.4. The single biggest benchmark swing on the page is LiveCodeBench, 71 to 37.

Gemini 3.1 Pro is also the more expensive model on tokens at $1.25 input / $5.00 output per 1M tokens, versus $0.25 input / $2.00 output per 1M tokens for Seed-2.0-Lite. That is roughly 2.5x on output cost alone. Gemini 3.1 Pro gives you the larger context window at 1M, compared with 256K for Seed-2.0-Lite.

Quick Verdict

Pick Gemini 3.1 Pro if you want the stronger benchmark profile. Seed-2.0-Lite only becomes the better choice if you want the cheaper token bill.

Agentic

Gemini 3.1 Pro

Gemini 3.1 Pro

76.1

Seed-2.0-Lite

55.1

77
Terminal-Bench 2.0
52
86
BrowseComp
63
68
OSWorld-Verified
53

Coding

Gemini 3.1 Pro

Gemini 3.1 Pro

71.9

Seed-2.0-Lite

41.4

91
HumanEval
63
75
SWE-bench Verified
45
71
LiveCodeBench
37
72
SWE-bench Pro
45

Multimodal & Grounded

Gemini 3.1 Pro

Gemini 3.1 Pro

95

Seed-2.0-Lite

79.6

95
MMMU-Pro
80
95
OfficeQA Pro
79

Reasoning

Gemini 3.1 Pro

Gemini 3.1 Pro

92.7

Seed-2.0-Lite

73

95
SimpleQA
68
93
MuSR
66
92
BBH
85
93
LongBench v2
76
90
MRCRv2
77

Knowledge

Gemini 3.1 Pro

Gemini 3.1 Pro

79.4

Seed-2.0-Lite

53.9

99
MMLU
71
97
GPQA
70
95
SuperGPQA
68
93
OpenBookQA
66
92
MMLU-Pro
73
40
HLE
7
88
FrontierScience
66

Instruction Following

Gemini 3.1 Pro

Gemini 3.1 Pro

95

Seed-2.0-Lite

89

95
IFEval
89

Multilingual

Gemini 3.1 Pro

Gemini 3.1 Pro

94.1

Seed-2.0-Lite

82.5

96
MGSM
87
93
MMLU-ProX
80

Mathematics

Gemini 3.1 Pro

Gemini 3.1 Pro

96.8

Seed-2.0-Lite

75

99
AIME 2023
71
99
AIME 2024
73
98
AIME 2025
72
95
HMMT Feb 2023
67
97
HMMT Feb 2024
69
96
HMMT Feb 2025
68
96
BRUMO 2025
70
97
MATH-500
81

Frequently Asked Questions

Which is better, Gemini 3.1 Pro or Seed-2.0-Lite?

Gemini 3.1 Pro is ahead overall, 84 to 63. The biggest single separator in this matchup is LiveCodeBench, where the scores are 71 and 37.

Which is better for knowledge tasks, Gemini 3.1 Pro or Seed-2.0-Lite?

Gemini 3.1 Pro has the edge for knowledge tasks in this comparison, averaging 79.4 versus 53.9. Inside this category, HLE is the benchmark that creates the most daylight between them.

Which is better for coding, Gemini 3.1 Pro or Seed-2.0-Lite?

Gemini 3.1 Pro has the edge for coding in this comparison, averaging 71.9 versus 41.4. Inside this category, LiveCodeBench is the benchmark that creates the most daylight between them.

Which is better for math, Gemini 3.1 Pro or Seed-2.0-Lite?

Gemini 3.1 Pro has the edge for math in this comparison, averaging 96.8 versus 75. Inside this category, AIME 2023 is the benchmark that creates the most daylight between them.

Which is better for reasoning, Gemini 3.1 Pro or Seed-2.0-Lite?

Gemini 3.1 Pro has the edge for reasoning in this comparison, averaging 92.7 versus 73. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, Gemini 3.1 Pro or Seed-2.0-Lite?

Gemini 3.1 Pro has the edge for agentic tasks in this comparison, averaging 76.1 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, Gemini 3.1 Pro or Seed-2.0-Lite?

Gemini 3.1 Pro has the edge for multimodal and grounded tasks in this comparison, averaging 95 versus 79.6. Inside this category, OfficeQA Pro is the benchmark that creates the most daylight between them.

Which is better for instruction following, Gemini 3.1 Pro or Seed-2.0-Lite?

Gemini 3.1 Pro has the edge for instruction following in this comparison, averaging 95 versus 89. Inside this category, IFEval is the benchmark that creates the most daylight between them.

Which is better for multilingual tasks, Gemini 3.1 Pro or Seed-2.0-Lite?

Gemini 3.1 Pro has the edge for multilingual tasks in this comparison, averaging 94.1 versus 82.5. Inside this category, MMLU-ProX is the benchmark that creates the most daylight between them.

Last updated: March 12, 2026

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