Seed-2.0-Lite vs LFM2.5-1.2B-Instruct

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 30. 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 multimodal & grounded, where it averages 79.6 against 32.4. The single biggest benchmark swing on the page is MMMU-Pro, 80 to 27.

Seed-2.0-Lite is also the more expensive model on tokens at $0.25 input / $2.00 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for LFM2.5-1.2B-Instruct. That is roughly Infinityx on output cost alone. Seed-2.0-Lite gives you the larger context window at 256K, compared with 32K for LFM2.5-1.2B-Instruct.

Quick Verdict

Pick Seed-2.0-Lite if you want the stronger benchmark profile. LFM2.5-1.2B-Instruct only becomes the better choice if you want the cheaper token bill.

Agentic

Seed-2.0-Lite

Seed-2.0-Lite

55.1

LFM2.5-1.2B-Instruct

25.7

52
Terminal-Bench 2.0
22
63
BrowseComp
31
53
OSWorld-Verified
26

Coding

Seed-2.0-Lite

Seed-2.0-Lite

41.4

LFM2.5-1.2B-Instruct

7.2

63
HumanEval
14
45
SWE-bench Verified
9
37
LiveCodeBench
8
45
SWE-bench Pro
6

Multimodal & Grounded

Seed-2.0-Lite

Seed-2.0-Lite

79.6

LFM2.5-1.2B-Instruct

32.4

80
MMMU-Pro
27
79
OfficeQA Pro
39

Reasoning

Seed-2.0-Lite

Seed-2.0-Lite

73

LFM2.5-1.2B-Instruct

32.1

68
SimpleQA
24
66
MuSR
22
85
BBH
59
76
LongBench v2
34
77
MRCRv2
37

Knowledge

Seed-2.0-Lite

Seed-2.0-Lite

53.9

LFM2.5-1.2B-Instruct

26

71
MMLU
26
70
GPQA
25
68
SuperGPQA
23
66
OpenBookQA
21
73
MMLU-Pro
50
7
HLE
1
66
FrontierScience
30

Instruction Following

Seed-2.0-Lite

Seed-2.0-Lite

89

LFM2.5-1.2B-Instruct

80

89
IFEval
80

Multilingual

Seed-2.0-Lite

Seed-2.0-Lite

82.5

LFM2.5-1.2B-Instruct

60.7

87
MGSM
62
80
MMLU-ProX
60

Mathematics

Seed-2.0-Lite

Seed-2.0-Lite

75

LFM2.5-1.2B-Instruct

37

71
AIME 2023
24
73
AIME 2024
26
72
AIME 2025
25
67
HMMT Feb 2023
20
69
HMMT Feb 2024
22
68
HMMT Feb 2025
21
70
BRUMO 2025
23
81
MATH-500
54

Frequently Asked Questions

Which is better, Seed-2.0-Lite or LFM2.5-1.2B-Instruct?

Seed-2.0-Lite is ahead overall, 63 to 30. The biggest single separator in this matchup is MMMU-Pro, where the scores are 80 and 27.

Which is better for knowledge tasks, Seed-2.0-Lite or LFM2.5-1.2B-Instruct?

Seed-2.0-Lite has the edge for knowledge tasks in this comparison, averaging 53.9 versus 26. Inside this category, MMLU is the benchmark that creates the most daylight between them.

Which is better for coding, Seed-2.0-Lite or LFM2.5-1.2B-Instruct?

Seed-2.0-Lite has the edge for coding in this comparison, averaging 41.4 versus 7.2. Inside this category, HumanEval is the benchmark that creates the most daylight between them.

Which is better for math, Seed-2.0-Lite or LFM2.5-1.2B-Instruct?

Seed-2.0-Lite has the edge for math in this comparison, averaging 75 versus 37. 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 LFM2.5-1.2B-Instruct?

Seed-2.0-Lite has the edge for reasoning in this comparison, averaging 73 versus 32.1. 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 LFM2.5-1.2B-Instruct?

Seed-2.0-Lite has the edge for agentic tasks in this comparison, averaging 55.1 versus 25.7. Inside this category, BrowseComp is the benchmark that creates the most daylight between them.

Which is better for multimodal and grounded tasks, Seed-2.0-Lite or LFM2.5-1.2B-Instruct?

Seed-2.0-Lite has the edge for multimodal and grounded tasks in this comparison, averaging 79.6 versus 32.4. Inside this category, MMMU-Pro is the benchmark that creates the most daylight between them.

Which is better for instruction following, Seed-2.0-Lite or LFM2.5-1.2B-Instruct?

Seed-2.0-Lite has the edge for instruction following in this comparison, averaging 89 versus 80. 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 LFM2.5-1.2B-Instruct?

Seed-2.0-Lite has the edge for multilingual tasks in this comparison, averaging 82.5 versus 60.7. Inside this category, MGSM is the benchmark that creates the most daylight between them.

Last updated: March 12, 2026

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