GPT-4 Turbo vs LFM2.5-1.2B-Instruct

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

GPT-4 Turbo is clearly ahead on the aggregate, 47 to 30. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

GPT-4 Turbo's sharpest advantage is in reasoning, where it averages 61 against 32.1. The single biggest benchmark swing on the page is HumanEval, 52 to 14.

GPT-4 Turbo gives you the larger context window at 128K, compared with 32K for LFM2.5-1.2B-Instruct.

Quick Verdict

Pick GPT-4 Turbo if you want the stronger benchmark profile. LFM2.5-1.2B-Instruct only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.

Agentic

GPT-4 Turbo

GPT-4 Turbo

44.7

LFM2.5-1.2B-Instruct

25.7

42
Terminal-Bench 2.0
22
54
BrowseComp
31
41
OSWorld-Verified
26

Coding

GPT-4 Turbo

GPT-4 Turbo

17.2

LFM2.5-1.2B-Instruct

7.2

52
HumanEval
14
5
SWE-bench Verified
9
23
LiveCodeBench
8
14
SWE-bench Pro
6

Multimodal & Grounded

GPT-4 Turbo

GPT-4 Turbo

55.3

LFM2.5-1.2B-Instruct

32.4

53
MMMU-Pro
27
58
OfficeQA Pro
39

Reasoning

GPT-4 Turbo

GPT-4 Turbo

61

LFM2.5-1.2B-Instruct

32.1

58
SimpleQA
24
56
MuSR
22
75
BBH
59
62
LongBench v2
34
62
MRCRv2
37

Knowledge

GPT-4 Turbo

GPT-4 Turbo

41.1

LFM2.5-1.2B-Instruct

26

60
MMLU
26
60
GPQA
25
58
SuperGPQA
23
56
OpenBookQA
21
51
MMLU-Pro
50
1
HLE
1
52
FrontierScience
30

Instruction Following

Tie

GPT-4 Turbo

80

LFM2.5-1.2B-Instruct

80

80
IFEval
80

Multilingual

GPT-4 Turbo

GPT-4 Turbo

68.5

LFM2.5-1.2B-Instruct

60.7

75
MGSM
62
65
MMLU-ProX
60

Mathematics

GPT-4 Turbo

GPT-4 Turbo

64.4

LFM2.5-1.2B-Instruct

37

60
AIME 2023
24
62
AIME 2024
26
61
AIME 2025
25
56
HMMT Feb 2023
20
58
HMMT Feb 2024
22
57
HMMT Feb 2025
21
59
BRUMO 2025
23
71
MATH-500
54

Frequently Asked Questions

Which is better, GPT-4 Turbo or LFM2.5-1.2B-Instruct?

GPT-4 Turbo is ahead overall, 47 to 30. The biggest single separator in this matchup is HumanEval, where the scores are 52 and 14.

Which is better for knowledge tasks, GPT-4 Turbo or LFM2.5-1.2B-Instruct?

GPT-4 Turbo has the edge for knowledge tasks in this comparison, averaging 41.1 versus 26. Inside this category, GPQA is the benchmark that creates the most daylight between them.

Which is better for coding, GPT-4 Turbo or LFM2.5-1.2B-Instruct?

GPT-4 Turbo has the edge for coding in this comparison, averaging 17.2 versus 7.2. Inside this category, HumanEval is the benchmark that creates the most daylight between them.

Which is better for math, GPT-4 Turbo or LFM2.5-1.2B-Instruct?

GPT-4 Turbo has the edge for math in this comparison, averaging 64.4 versus 37. Inside this category, AIME 2023 is the benchmark that creates the most daylight between them.

Which is better for reasoning, GPT-4 Turbo or LFM2.5-1.2B-Instruct?

GPT-4 Turbo has the edge for reasoning in this comparison, averaging 61 versus 32.1. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, GPT-4 Turbo or LFM2.5-1.2B-Instruct?

GPT-4 Turbo has the edge for agentic tasks in this comparison, averaging 44.7 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, GPT-4 Turbo or LFM2.5-1.2B-Instruct?

GPT-4 Turbo has the edge for multimodal and grounded tasks in this comparison, averaging 55.3 versus 32.4. Inside this category, MMMU-Pro is the benchmark that creates the most daylight between them.

Which is better for instruction following, GPT-4 Turbo or LFM2.5-1.2B-Instruct?

GPT-4 Turbo and LFM2.5-1.2B-Instruct are effectively tied for instruction following here, both landing at 80 on average.

Which is better for multilingual tasks, GPT-4 Turbo or LFM2.5-1.2B-Instruct?

GPT-4 Turbo has the edge for multilingual tasks in this comparison, averaging 68.5 versus 60.7. Inside this category, MGSM is the benchmark that creates the most daylight between them.

Last updated: March 12, 2026

Weekly LLM Benchmark Digest

Get notified when new models drop, benchmark scores change, or the leaderboard shifts. One email per week.

Free. No spam. Unsubscribe anytime. We only store derived location metadata for consent routing.