GPT-4o mini vs LFM2-24B-A2B

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

GPT-4o mini is clearly ahead on the aggregate, 52 to 38. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

GPT-4o mini's sharpest advantage is in coding, where it averages 65 against 18. The single biggest benchmark swing on the page is SWE-bench Pro, 65 to 19.

GPT-4o mini is also the more expensive model on tokens at $0.15 input / $0.60 output per 1M tokens, versus $0.03 input / $0.12 output per 1M tokens for LFM2-24B-A2B. That is roughly 5.0x on output cost alone. GPT-4o mini gives you the larger context window at 128K, compared with 32K for LFM2-24B-A2B.

Quick Verdict

Pick GPT-4o mini if you want the stronger benchmark profile. LFM2-24B-A2B only becomes the better choice if you want the cheaper token bill.

Agentic

GPT-4o mini

GPT-4o mini

50.9

LFM2-24B-A2B

33.4

58
Terminal-Bench 2.0
30
49
BrowseComp
38
44
OSWorld-Verified
34

Coding

GPT-4o mini

GPT-4o mini

65

LFM2-24B-A2B

18

87.2
HumanEval
42
65
SWE-bench Pro
19
Coming soon
SWE-bench Verified
18
Coming soon
LiveCodeBench
17

Multimodal & Grounded

GPT-4o mini

GPT-4o mini

60.2

LFM2-24B-A2B

41.7

66
MMMU-Pro
39
53
OfficeQA Pro
45

Reasoning

GPT-4o mini

GPT-4o mini

49.4

LFM2-24B-A2B

46.6

49
LongBench v2
48
50
MRCRv2
45
Coming soon
SimpleQA
44
Coming soon
MuSR
42
Coming soon
BBH
63

Knowledge

GPT-4o mini

GPT-4o mini

62

LFM2-24B-A2B

35.6

82
MMLU
46
62
FrontierScience
43
Coming soon
GPQA
45
Coming soon
SuperGPQA
43
Coming soon
OpenBookQA
41
Coming soon
MMLU-Pro
51
Coming soon
HLE
4

Instruction Following

Coming soon

Comparable scores for this category are coming soon. One or both models do not have sourced results here yet.

Coming soon
IFEval
68

Multilingual

GPT-4o mini

GPT-4o mini

74.7

LFM2-24B-A2B

61.4

87
MGSM
64
68
MMLU-ProX
60

Mathematics

Coming soon

Comparable scores for this category are coming soon. One or both models do not have sourced results here yet.

Coming soon
AIME 2023
46
Coming soon
AIME 2024
48
Coming soon
AIME 2025
47
Coming soon
HMMT Feb 2023
42
Coming soon
HMMT Feb 2024
44
Coming soon
HMMT Feb 2025
43
Coming soon
BRUMO 2025
45
Coming soon
MATH-500
57

Frequently Asked Questions

Which is better, GPT-4o mini or LFM2-24B-A2B?

GPT-4o mini is ahead overall, 52 to 38. The biggest single separator in this matchup is SWE-bench Pro, where the scores are 65 and 19.

Which is better for knowledge tasks, GPT-4o mini or LFM2-24B-A2B?

GPT-4o mini has the edge for knowledge tasks in this comparison, averaging 62 versus 35.6. Inside this category, MMLU is the benchmark that creates the most daylight between them.

Which is better for coding, GPT-4o mini or LFM2-24B-A2B?

GPT-4o mini has the edge for coding in this comparison, averaging 65 versus 18. Inside this category, SWE-bench Pro is the benchmark that creates the most daylight between them.

Which is better for reasoning, GPT-4o mini or LFM2-24B-A2B?

GPT-4o mini has the edge for reasoning in this comparison, averaging 49.4 versus 46.6. Inside this category, MRCRv2 is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, GPT-4o mini or LFM2-24B-A2B?

GPT-4o mini has the edge for agentic tasks in this comparison, averaging 50.9 versus 33.4. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.

Which is better for multimodal and grounded tasks, GPT-4o mini or LFM2-24B-A2B?

GPT-4o mini has the edge for multimodal and grounded tasks in this comparison, averaging 60.2 versus 41.7. Inside this category, MMMU-Pro is the benchmark that creates the most daylight between them.

Which is better for multilingual tasks, GPT-4o mini or LFM2-24B-A2B?

GPT-4o mini has the edge for multilingual tasks in this comparison, averaging 74.7 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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