Gemini 1.5 Pro vs LFM2.5-1.2B-Instruct

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

Gemini 1.5 Pro is clearly ahead on the aggregate, 52 to 30. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Gemini 1.5 Pro's sharpest advantage is in multimodal & grounded, where it averages 74.1 against 32.4. The single biggest benchmark swing on the page is MMMU-Pro, 75 to 27. LFM2.5-1.2B-Instruct does hit back in instruction following, so the answer changes if that is the part of the workload you care about most.

Gemini 1.5 Pro gives you the larger context window at 2M, compared with 32K for LFM2.5-1.2B-Instruct.

Quick Verdict

Pick Gemini 1.5 Pro if you want the stronger benchmark profile. LFM2.5-1.2B-Instruct only becomes the better choice if instruction following is the priority.

Agentic

Gemini 1.5 Pro

Gemini 1.5 Pro

49.8

LFM2.5-1.2B-Instruct

25.7

45
Terminal-Bench 2.0
22
64
BrowseComp
31
45
OSWorld-Verified
26

Coding

Gemini 1.5 Pro

Gemini 1.5 Pro

18.5

LFM2.5-1.2B-Instruct

7.2

56
HumanEval
14
5
SWE-bench Verified
9
22
LiveCodeBench
8
18
SWE-bench Pro
6

Multimodal & Grounded

Gemini 1.5 Pro

Gemini 1.5 Pro

74.1

LFM2.5-1.2B-Instruct

32.4

75
MMMU-Pro
27
73
OfficeQA Pro
39

Reasoning

Gemini 1.5 Pro

Gemini 1.5 Pro

66.9

LFM2.5-1.2B-Instruct

32.1

62
SimpleQA
24
60
MuSR
22
74
BBH
59
70
LongBench v2
34
73
MRCRv2
37

Knowledge

Gemini 1.5 Pro

Gemini 1.5 Pro

44.2

LFM2.5-1.2B-Instruct

26

64
MMLU
26
64
GPQA
25
62
SuperGPQA
23
60
OpenBookQA
21
57
MMLU-Pro
50
1
HLE
1
54
FrontierScience
30

Instruction Following

LFM2.5-1.2B-Instruct

Gemini 1.5 Pro

77

LFM2.5-1.2B-Instruct

80

77
IFEval
80

Multilingual

Gemini 1.5 Pro

Gemini 1.5 Pro

69.5

LFM2.5-1.2B-Instruct

60.7

76
MGSM
62
66
MMLU-ProX
60

Mathematics

Gemini 1.5 Pro

Gemini 1.5 Pro

67.5

LFM2.5-1.2B-Instruct

37

64
AIME 2023
24
66
AIME 2024
26
65
AIME 2025
25
60
HMMT Feb 2023
20
62
HMMT Feb 2024
22
61
HMMT Feb 2025
21
63
BRUMO 2025
23
73
MATH-500
54

Frequently Asked Questions

Which is better, Gemini 1.5 Pro or LFM2.5-1.2B-Instruct?

Gemini 1.5 Pro is ahead overall, 52 to 30. The biggest single separator in this matchup is MMMU-Pro, where the scores are 75 and 27.

Which is better for knowledge tasks, Gemini 1.5 Pro or LFM2.5-1.2B-Instruct?

Gemini 1.5 Pro has the edge for knowledge tasks in this comparison, averaging 44.2 versus 26. Inside this category, GPQA is the benchmark that creates the most daylight between them.

Which is better for coding, Gemini 1.5 Pro or LFM2.5-1.2B-Instruct?

Gemini 1.5 Pro has the edge for coding in this comparison, averaging 18.5 versus 7.2. Inside this category, HumanEval is the benchmark that creates the most daylight between them.

Which is better for math, Gemini 1.5 Pro or LFM2.5-1.2B-Instruct?

Gemini 1.5 Pro has the edge for math in this comparison, averaging 67.5 versus 37. Inside this category, AIME 2023 is the benchmark that creates the most daylight between them.

Which is better for reasoning, Gemini 1.5 Pro or LFM2.5-1.2B-Instruct?

Gemini 1.5 Pro has the edge for reasoning in this comparison, averaging 66.9 versus 32.1. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, Gemini 1.5 Pro or LFM2.5-1.2B-Instruct?

Gemini 1.5 Pro has the edge for agentic tasks in this comparison, averaging 49.8 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 1.5 Pro or LFM2.5-1.2B-Instruct?

Gemini 1.5 Pro has the edge for multimodal and grounded tasks in this comparison, averaging 74.1 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 1.5 Pro or LFM2.5-1.2B-Instruct?

LFM2.5-1.2B-Instruct has the edge for instruction following in this comparison, averaging 80 versus 77. Inside this category, IFEval is the benchmark that creates the most daylight between them.

Which is better for multilingual tasks, Gemini 1.5 Pro or LFM2.5-1.2B-Instruct?

Gemini 1.5 Pro has the edge for multilingual tasks in this comparison, averaging 69.5 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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