Gemini 3.1 Flash-Lite vs LFM2-24B-A2B

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

Gemini 3.1 Flash-Lite is clearly ahead on the aggregate, 53 to 38. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Gemini 3.1 Flash-Lite's sharpest advantage is in multimodal & grounded, where it averages 73.1 against 41.7. The single biggest benchmark swing on the page is MMMU-Pro, 74 to 39.

Gemini 3.1 Flash-Lite is also the more expensive model on tokens at $0.10 input / $0.40 output per 1M tokens, versus $0.03 input / $0.12 output per 1M tokens for LFM2-24B-A2B. That is roughly 3.3x on output cost alone. Gemini 3.1 Flash-Lite gives you the larger context window at 1M, compared with 32K for LFM2-24B-A2B.

Quick Verdict

Pick Gemini 3.1 Flash-Lite 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 Flash-Lite

Gemini 3.1 Flash-Lite

49.2

LFM2-24B-A2B

33.4

47
Terminal-Bench 2.0
30
60
BrowseComp
38
44
OSWorld-Verified
34

Coding

Gemini 3.1 Flash-Lite

Gemini 3.1 Flash-Lite

24.7

LFM2-24B-A2B

18

55
HumanEval
42
22
SWE-bench Verified
18
21
LiveCodeBench
17
29
SWE-bench Pro
19

Multimodal & Grounded

Gemini 3.1 Flash-Lite

Gemini 3.1 Flash-Lite

73.1

LFM2-24B-A2B

41.7

74
MMMU-Pro
39
72
OfficeQA Pro
45

Reasoning

Gemini 3.1 Flash-Lite

Gemini 3.1 Flash-Lite

65.8

LFM2-24B-A2B

46.6

60
SimpleQA
44
58
MuSR
42
74
BBH
63
69
LongBench v2
48
73
MRCRv2
45

Knowledge

Gemini 3.1 Flash-Lite

Gemini 3.1 Flash-Lite

45.3

LFM2-24B-A2B

35.6

63
MMLU
46
62
GPQA
45
60
SuperGPQA
43
58
OpenBookQA
41
63
MMLU-Pro
51
1
HLE
4
55
FrontierScience
43

Instruction Following

Gemini 3.1 Flash-Lite

Gemini 3.1 Flash-Lite

79

LFM2-24B-A2B

68

79
IFEval
68

Multilingual

Gemini 3.1 Flash-Lite

Gemini 3.1 Flash-Lite

69.8

LFM2-24B-A2B

61.4

73
MGSM
64
68
MMLU-ProX
60

Mathematics

Gemini 3.1 Flash-Lite

Gemini 3.1 Flash-Lite

66.1

LFM2-24B-A2B

50.4

63
AIME 2023
46
65
AIME 2024
48
64
AIME 2025
47
59
HMMT Feb 2023
42
61
HMMT Feb 2024
44
60
HMMT Feb 2025
43
62
BRUMO 2025
45
71
MATH-500
57

Frequently Asked Questions

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

Gemini 3.1 Flash-Lite is ahead overall, 53 to 38. The biggest single separator in this matchup is MMMU-Pro, where the scores are 74 and 39.

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

Gemini 3.1 Flash-Lite has the edge for knowledge tasks in this comparison, averaging 45.3 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 Flash-Lite or LFM2-24B-A2B?

Gemini 3.1 Flash-Lite has the edge for coding in this comparison, averaging 24.7 versus 18. Inside this category, HumanEval is the benchmark that creates the most daylight between them.

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

Gemini 3.1 Flash-Lite has the edge for math in this comparison, averaging 66.1 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 Flash-Lite or LFM2-24B-A2B?

Gemini 3.1 Flash-Lite has the edge for reasoning in this comparison, averaging 65.8 versus 46.6. Inside this category, MRCRv2 is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, Gemini 3.1 Flash-Lite or LFM2-24B-A2B?

Gemini 3.1 Flash-Lite has the edge for agentic tasks in this comparison, averaging 49.2 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 Flash-Lite or LFM2-24B-A2B?

Gemini 3.1 Flash-Lite has the edge for multimodal and grounded tasks in this comparison, averaging 73.1 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 Flash-Lite or LFM2-24B-A2B?

Gemini 3.1 Flash-Lite has the edge for instruction following in this comparison, averaging 79 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 Flash-Lite or LFM2-24B-A2B?

Gemini 3.1 Flash-Lite has the edge for multilingual tasks in this comparison, averaging 69.8 versus 61.4. Inside this category, MGSM is the benchmark that creates the most daylight between them.

Last updated: March 12, 2026

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