Phi-4 vs LFM2-24B-A2B

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

Phi-4 is clearly ahead on the aggregate, 42 to 38. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Phi-4's sharpest advantage is in coding, where it averages 55 against 18. The single biggest benchmark swing on the page is HumanEval, 82.6 to 42. LFM2-24B-A2B does hit back in reasoning, so the answer changes if that is the part of the workload you care about most.

LFM2-24B-A2B is also the more expensive model on tokens at $0.03 input / $0.12 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for Phi-4. That is roughly Infinityx on output cost alone. LFM2-24B-A2B gives you the larger context window at 32K, compared with 16K for Phi-4.

Quick Verdict

Pick Phi-4 if you want the stronger benchmark profile. LFM2-24B-A2B only becomes the better choice if reasoning is the priority or you need the larger 32K context window.

Agentic

Phi-4

Phi-4

38.3

LFM2-24B-A2B

33.4

44
Terminal-Bench 2.0
30
35
BrowseComp
38
34
OSWorld-Verified
34

Coding

Phi-4

Phi-4

55

LFM2-24B-A2B

18

82.6
HumanEval
42
55
SWE-bench Pro
19
Coming soon
SWE-bench Verified
18
Coming soon
LiveCodeBench
17

Multimodal & Grounded

Phi-4

Phi-4

46.8

LFM2-24B-A2B

41.7

54
MMMU-Pro
39
38
OfficeQA Pro
45

Reasoning

LFM2-24B-A2B

Phi-4

31.3

LFM2-24B-A2B

46.6

30
LongBench v2
48
33
MRCRv2
45
Coming soon
SimpleQA
44
Coming soon
MuSR
42
Coming soon
BBH
63

Knowledge

Phi-4

Phi-4

53.8

LFM2-24B-A2B

35.6

84.8
MMLU
46
56.1
GPQA
45
52
FrontierScience
43
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

Phi-4

Phi-4

67.2

LFM2-24B-A2B

61.4

80.6
MGSM
64
60
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, Phi-4 or LFM2-24B-A2B?

Phi-4 is ahead overall, 42 to 38. The biggest single separator in this matchup is HumanEval, where the scores are 82.6 and 42.

Which is better for knowledge tasks, Phi-4 or LFM2-24B-A2B?

Phi-4 has the edge for knowledge tasks in this comparison, averaging 53.8 versus 35.6. Inside this category, MMLU is the benchmark that creates the most daylight between them.

Which is better for coding, Phi-4 or LFM2-24B-A2B?

Phi-4 has the edge for coding in this comparison, averaging 55 versus 18. Inside this category, HumanEval is the benchmark that creates the most daylight between them.

Which is better for reasoning, Phi-4 or LFM2-24B-A2B?

LFM2-24B-A2B has the edge for reasoning in this comparison, averaging 46.6 versus 31.3. Inside this category, LongBench v2 is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, Phi-4 or LFM2-24B-A2B?

Phi-4 has the edge for agentic tasks in this comparison, averaging 38.3 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, Phi-4 or LFM2-24B-A2B?

Phi-4 has the edge for multimodal and grounded tasks in this comparison, averaging 46.8 versus 41.7. Inside this category, MMMU-Pro is the benchmark that creates the most daylight between them.

Which is better for multilingual tasks, Phi-4 or LFM2-24B-A2B?

Phi-4 has the edge for multilingual tasks in this comparison, averaging 67.2 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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