Gemini 3 Pro vs LFM2.5-1.2B-Instruct

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

Gemini 3 Pro is clearly ahead on the aggregate, 77 to 30. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Gemini 3 Pro's sharpest advantage is in multimodal & grounded, where it averages 93.1 against 32.4. The single biggest benchmark swing on the page is HumanEval, 91 to 14.

Gemini 3 Pro gives you the larger context window at 2M, compared with 32K for LFM2.5-1.2B-Instruct.

Quick Verdict

Pick Gemini 3 Pro if you want the stronger benchmark profile. LFM2.5-1.2B-Instruct only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.

Agentic

Gemini 3 Pro

Gemini 3 Pro

71.1

LFM2.5-1.2B-Instruct

25.7

68
Terminal-Bench 2.0
22
83
BrowseComp
31
66
OSWorld-Verified
26

Coding

Gemini 3 Pro

Gemini 3 Pro

54.1

LFM2.5-1.2B-Instruct

7.2

91
HumanEval
14
59
SWE-bench Verified
9
49
LiveCodeBench
8
58
SWE-bench Pro
6

Multimodal & Grounded

Gemini 3 Pro

Gemini 3 Pro

93.1

LFM2.5-1.2B-Instruct

32.4

94
MMMU-Pro
27
92
OfficeQA Pro
39

Reasoning

Gemini 3 Pro

Gemini 3 Pro

91.2

LFM2.5-1.2B-Instruct

32.1

95
SimpleQA
24
93
MuSR
22
90
BBH
59
90
LongBench v2
34
87
MRCRv2
37

Knowledge

Gemini 3 Pro

Gemini 3 Pro

71.8

LFM2.5-1.2B-Instruct

26

99
MMLU
26
97
GPQA
25
95
SuperGPQA
23
93
OpenBookQA
21
83
MMLU-Pro
50
20
HLE
1
86
FrontierScience
30

Instruction Following

Gemini 3 Pro

Gemini 3 Pro

88

LFM2.5-1.2B-Instruct

80

88
IFEval
80

Multilingual

Gemini 3 Pro

Gemini 3 Pro

86.4

LFM2.5-1.2B-Instruct

60.7

89
MGSM
62
85
MMLU-ProX
60

Mathematics

Gemini 3 Pro

Gemini 3 Pro

94.1

LFM2.5-1.2B-Instruct

37

99
AIME 2023
24
99
AIME 2024
26
98
AIME 2025
25
95
HMMT Feb 2023
20
97
HMMT Feb 2024
22
96
HMMT Feb 2025
21
96
BRUMO 2025
23
91
MATH-500
54

Frequently Asked Questions

Which is better, Gemini 3 Pro or LFM2.5-1.2B-Instruct?

Gemini 3 Pro is ahead overall, 77 to 30. The biggest single separator in this matchup is HumanEval, where the scores are 91 and 14.

Which is better for knowledge tasks, Gemini 3 Pro or LFM2.5-1.2B-Instruct?

Gemini 3 Pro has the edge for knowledge tasks in this comparison, averaging 71.8 versus 26. Inside this category, MMLU is the benchmark that creates the most daylight between them.

Which is better for coding, Gemini 3 Pro or LFM2.5-1.2B-Instruct?

Gemini 3 Pro has the edge for coding in this comparison, averaging 54.1 versus 7.2. Inside this category, HumanEval is the benchmark that creates the most daylight between them.

Which is better for math, Gemini 3 Pro or LFM2.5-1.2B-Instruct?

Gemini 3 Pro has the edge for math in this comparison, averaging 94.1 versus 37. Inside this category, AIME 2023 is the benchmark that creates the most daylight between them.

Which is better for reasoning, Gemini 3 Pro or LFM2.5-1.2B-Instruct?

Gemini 3 Pro has the edge for reasoning in this comparison, averaging 91.2 versus 32.1. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, Gemini 3 Pro or LFM2.5-1.2B-Instruct?

Gemini 3 Pro has the edge for agentic tasks in this comparison, averaging 71.1 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, Gemini 3 Pro or LFM2.5-1.2B-Instruct?

Gemini 3 Pro has the edge for multimodal and grounded tasks in this comparison, averaging 93.1 versus 32.4. Inside this category, MMMU-Pro is the benchmark that creates the most daylight between them.

Which is better for instruction following, Gemini 3 Pro or LFM2.5-1.2B-Instruct?

Gemini 3 Pro has the edge for instruction following in this comparison, averaging 88 versus 80. Inside this category, IFEval is the benchmark that creates the most daylight between them.

Which is better for multilingual tasks, Gemini 3 Pro or LFM2.5-1.2B-Instruct?

Gemini 3 Pro has the edge for multilingual tasks in this comparison, averaging 86.4 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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