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 53. 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 24.7. The single biggest benchmark swing on the page is SWE-bench Verified, 45 to 22.
Seed-2.0-Lite is also the more expensive model on tokens at $0.25 input / $2.00 output per 1M tokens, versus $0.10 input / $0.40 output per 1M tokens for Gemini 3.1 Flash-Lite. That is roughly 5.0x on output cost alone. Gemini 3.1 Flash-Lite gives you the larger context window at 1M, compared with 256K for Seed-2.0-Lite.
Pick Seed-2.0-Lite if you want the stronger benchmark profile. Gemini 3.1 Flash-Lite only becomes the better choice if you want the cheaper token bill or you need the larger 1M context window.
Seed-2.0-Lite
55.1
Gemini 3.1 Flash-Lite
49.2
Seed-2.0-Lite
41.4
Gemini 3.1 Flash-Lite
24.7
Seed-2.0-Lite
79.6
Gemini 3.1 Flash-Lite
73.1
Seed-2.0-Lite
73
Gemini 3.1 Flash-Lite
65.8
Seed-2.0-Lite
53.9
Gemini 3.1 Flash-Lite
45.3
Seed-2.0-Lite
89
Gemini 3.1 Flash-Lite
79
Seed-2.0-Lite
82.5
Gemini 3.1 Flash-Lite
69.8
Seed-2.0-Lite
75
Gemini 3.1 Flash-Lite
66.1
Seed-2.0-Lite is ahead overall, 63 to 53. The biggest single separator in this matchup is SWE-bench Verified, where the scores are 45 and 22.
Seed-2.0-Lite has the edge for knowledge tasks in this comparison, averaging 53.9 versus 45.3. Inside this category, FrontierScience is the benchmark that creates the most daylight between them.
Seed-2.0-Lite has the edge for coding in this comparison, averaging 41.4 versus 24.7. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.
Seed-2.0-Lite has the edge for math in this comparison, averaging 75 versus 66.1. Inside this category, MATH-500 is the benchmark that creates the most daylight between them.
Seed-2.0-Lite has the edge for reasoning in this comparison, averaging 73 versus 65.8. Inside this category, BBH is the benchmark that creates the most daylight between them.
Seed-2.0-Lite has the edge for agentic tasks in this comparison, averaging 55.1 versus 49.2. Inside this category, OSWorld-Verified is the benchmark that creates the most daylight between them.
Seed-2.0-Lite has the edge for multimodal and grounded tasks in this comparison, averaging 79.6 versus 73.1. Inside this category, OfficeQA Pro is the benchmark that creates the most daylight between them.
Seed-2.0-Lite has the edge for instruction following in this comparison, averaging 89 versus 79. Inside this category, IFEval is the benchmark that creates the most daylight between them.
Seed-2.0-Lite has the edge for multilingual tasks in this comparison, averaging 82.5 versus 69.8. Inside this category, MGSM is the benchmark that creates the most daylight between them.
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