Gemini 3.1 Pro vs LFM2-24B-A2B

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 38. 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 18. The single biggest benchmark swing on the page is SWE-bench Verified, 75 to 18.

Gemini 3.1 Pro is also the more expensive model on tokens at $1.25 input / $5.00 output per 1M tokens, versus $0.03 input / $0.12 output per 1M tokens for LFM2-24B-A2B. That is roughly 41.7x on output cost alone. Gemini 3.1 Pro gives you the larger context window at 1M, compared with 32K for LFM2-24B-A2B.

Quick Verdict

Pick Gemini 3.1 Pro if you want the stronger benchmark profile. LFM2-24B-A2B only becomes the better choice if you want the cheaper token bill.

Agentic

Gemini 3.1 Pro

Gemini 3.1 Pro

76.1

LFM2-24B-A2B

33.4

77
Terminal-Bench 2.0
30
86
BrowseComp
38
68
OSWorld-Verified
34

Coding

Gemini 3.1 Pro

Gemini 3.1 Pro

71.9

LFM2-24B-A2B

18

91
HumanEval
42
75
SWE-bench Verified
18
71
LiveCodeBench
17
72
SWE-bench Pro
19

Multimodal & Grounded

Gemini 3.1 Pro

Gemini 3.1 Pro

95

LFM2-24B-A2B

41.7

95
MMMU-Pro
39
95
OfficeQA Pro
45

Reasoning

Gemini 3.1 Pro

Gemini 3.1 Pro

92.7

LFM2-24B-A2B

46.6

95
SimpleQA
44
93
MuSR
42
92
BBH
63
93
LongBench v2
48
90
MRCRv2
45

Knowledge

Gemini 3.1 Pro

Gemini 3.1 Pro

79.4

LFM2-24B-A2B

35.6

99
MMLU
46
97
GPQA
45
95
SuperGPQA
43
93
OpenBookQA
41
92
MMLU-Pro
51
40
HLE
4
88
FrontierScience
43

Instruction Following

Gemini 3.1 Pro

Gemini 3.1 Pro

95

LFM2-24B-A2B

68

95
IFEval
68

Multilingual

Gemini 3.1 Pro

Gemini 3.1 Pro

94.1

LFM2-24B-A2B

61.4

96
MGSM
64
93
MMLU-ProX
60

Mathematics

Gemini 3.1 Pro

Gemini 3.1 Pro

96.8

LFM2-24B-A2B

50.4

99
AIME 2023
46
99
AIME 2024
48
98
AIME 2025
47
95
HMMT Feb 2023
42
97
HMMT Feb 2024
44
96
HMMT Feb 2025
43
96
BRUMO 2025
45
97
MATH-500
57

Frequently Asked Questions

Which is better, Gemini 3.1 Pro or LFM2-24B-A2B?

Gemini 3.1 Pro is ahead overall, 84 to 38. The biggest single separator in this matchup is SWE-bench Verified, where the scores are 75 and 18.

Which is better for knowledge tasks, Gemini 3.1 Pro or LFM2-24B-A2B?

Gemini 3.1 Pro has the edge for knowledge tasks in this comparison, averaging 79.4 versus 35.6. Inside this category, MMLU is the benchmark that creates the most daylight between them.

Which is better for coding, Gemini 3.1 Pro or LFM2-24B-A2B?

Gemini 3.1 Pro has the edge for coding in this comparison, averaging 71.9 versus 18. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.

Which is better for math, Gemini 3.1 Pro or LFM2-24B-A2B?

Gemini 3.1 Pro has the edge for math in this comparison, averaging 96.8 versus 50.4. 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 LFM2-24B-A2B?

Gemini 3.1 Pro has the edge for reasoning in this comparison, averaging 92.7 versus 46.6. 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 LFM2-24B-A2B?

Gemini 3.1 Pro has the edge for agentic tasks in this comparison, averaging 76.1 versus 33.4. Inside this category, BrowseComp is the benchmark that creates the most daylight between them.

Which is better for multimodal and grounded tasks, Gemini 3.1 Pro or LFM2-24B-A2B?

Gemini 3.1 Pro has the edge for multimodal and grounded tasks in this comparison, averaging 95 versus 41.7. Inside this category, MMMU-Pro is the benchmark that creates the most daylight between them.

Which is better for instruction following, Gemini 3.1 Pro or LFM2-24B-A2B?

Gemini 3.1 Pro has the edge for instruction following in this comparison, averaging 95 versus 68. 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 LFM2-24B-A2B?

Gemini 3.1 Pro has the edge for multilingual tasks in this comparison, averaging 94.1 versus 61.4. Inside this category, MMLU-ProX is the benchmark that creates the most daylight between them.

Last updated: March 12, 2026

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