GLM-5 vs LFM2.5-1.2B-Instruct

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

GLM-5 is clearly ahead on the aggregate, 65 to 30. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

GLM-5's sharpest advantage is in mathematics, where it averages 84.8 against 37. The single biggest benchmark swing on the page is HumanEval, 80 to 14.

GLM-5 gives you the larger context window at 200K, compared with 32K for LFM2.5-1.2B-Instruct.

Quick Verdict

Pick GLM-5 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

GLM-5

GLM-5

62.3

LFM2.5-1.2B-Instruct

25.7

63
Terminal-Bench 2.0
22
67
BrowseComp
31
58
OSWorld-Verified
26

Coding

GLM-5

GLM-5

41.1

LFM2.5-1.2B-Instruct

7.2

80
HumanEval
14
46
SWE-bench Verified
9
35
LiveCodeBench
8
46
SWE-bench Pro
6

Multimodal & Grounded

GLM-5

GLM-5

69.2

LFM2.5-1.2B-Instruct

32.4

66
MMMU-Pro
27
73
OfficeQA Pro
39

Reasoning

GLM-5

GLM-5

79.4

LFM2.5-1.2B-Instruct

32.1

84
SimpleQA
24
82
MuSR
22
83
BBH
59
77
LongBench v2
34
73
MRCRv2
37

Knowledge

GLM-5

GLM-5

62.1

LFM2.5-1.2B-Instruct

26

88
MMLU
26
86
GPQA
25
84
SuperGPQA
23
82
OpenBookQA
21
74
MMLU-Pro
50
13
HLE
1
74
FrontierScience
30

Instruction Following

GLM-5

GLM-5

85

LFM2.5-1.2B-Instruct

80

85
IFEval
80

Multilingual

GLM-5

GLM-5

82.1

LFM2.5-1.2B-Instruct

60.7

84
MGSM
62
81
MMLU-ProX
60

Mathematics

GLM-5

GLM-5

84.8

LFM2.5-1.2B-Instruct

37

88
AIME 2023
24
90
AIME 2024
26
89
AIME 2025
25
84
HMMT Feb 2023
20
86
HMMT Feb 2024
22
85
HMMT Feb 2025
21
87
BRUMO 2025
23
82
MATH-500
54

Frequently Asked Questions

Which is better, GLM-5 or LFM2.5-1.2B-Instruct?

GLM-5 is ahead overall, 65 to 30. The biggest single separator in this matchup is HumanEval, where the scores are 80 and 14.

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

GLM-5 has the edge for knowledge tasks in this comparison, averaging 62.1 versus 26. Inside this category, MMLU is the benchmark that creates the most daylight between them.

Which is better for coding, GLM-5 or LFM2.5-1.2B-Instruct?

GLM-5 has the edge for coding in this comparison, averaging 41.1 versus 7.2. Inside this category, HumanEval is the benchmark that creates the most daylight between them.

Which is better for math, GLM-5 or LFM2.5-1.2B-Instruct?

GLM-5 has the edge for math in this comparison, averaging 84.8 versus 37. Inside this category, AIME 2023 is the benchmark that creates the most daylight between them.

Which is better for reasoning, GLM-5 or LFM2.5-1.2B-Instruct?

GLM-5 has the edge for reasoning in this comparison, averaging 79.4 versus 32.1. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.

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

GLM-5 has the edge for agentic tasks in this comparison, averaging 62.3 versus 25.7. 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, GLM-5 or LFM2.5-1.2B-Instruct?

GLM-5 has the edge for multimodal and grounded tasks in this comparison, averaging 69.2 versus 32.4. Inside this category, MMMU-Pro is the benchmark that creates the most daylight between them.

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

GLM-5 has the edge for instruction following in this comparison, averaging 85 versus 80. Inside this category, IFEval is the benchmark that creates the most daylight between them.

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

GLM-5 has the edge for multilingual tasks in this comparison, averaging 82.1 versus 60.7. Inside this category, MGSM is the benchmark that creates the most daylight between them.

Last updated: March 12, 2026

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