DeepSeek V3.2 (Thinking) vs LFM2.5-1.2B-Thinking

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

DeepSeek V3.2 (Thinking) is clearly ahead on the aggregate, 70 to 33. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

DeepSeek V3.2 (Thinking)'s sharpest advantage is in coding, where it averages 51.2 against 8.2. The single biggest benchmark swing on the page is HumanEval, 79 to 17.

DeepSeek V3.2 (Thinking) gives you the larger context window at 128K, compared with 32K for LFM2.5-1.2B-Thinking.

Quick Verdict

Pick DeepSeek V3.2 (Thinking) if you want the stronger benchmark profile. LFM2.5-1.2B-Thinking only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.

Agentic

DeepSeek V3.2 (Thinking)

DeepSeek V3.2 (Thinking)

69.4

LFM2.5-1.2B-Thinking

34.1

71
Terminal-Bench 2.0
34
70
BrowseComp
37
67
OSWorld-Verified
32

Coding

DeepSeek V3.2 (Thinking)

DeepSeek V3.2 (Thinking)

51.2

LFM2.5-1.2B-Thinking

8.2

79
HumanEval
17
48
SWE-bench Verified
10
45
LiveCodeBench
9
58
SWE-bench Pro
7

Multimodal & Grounded

DeepSeek V3.2 (Thinking)

DeepSeek V3.2 (Thinking)

71

LFM2.5-1.2B-Thinking

32.4

66
MMMU-Pro
27
77
OfficeQA Pro
39

Reasoning

DeepSeek V3.2 (Thinking)

DeepSeek V3.2 (Thinking)

80.6

LFM2.5-1.2B-Thinking

38.4

83
SimpleQA
29
81
MuSR
31
86
BBH
67
78
LongBench v2
39
78
MRCRv2
42

Knowledge

DeepSeek V3.2 (Thinking)

DeepSeek V3.2 (Thinking)

64.4

LFM2.5-1.2B-Thinking

27

87
MMLU
27
85
GPQA
26
83
SuperGPQA
24
81
OpenBookQA
22
73
MMLU-Pro
51
22
HLE
2
77
FrontierScience
31

Instruction Following

DeepSeek V3.2 (Thinking)

DeepSeek V3.2 (Thinking)

85

LFM2.5-1.2B-Thinking

72

85
IFEval
72

Multilingual

DeepSeek V3.2 (Thinking)

DeepSeek V3.2 (Thinking)

80.8

LFM2.5-1.2B-Thinking

60.7

84
MGSM
62
79
MMLU-ProX
60

Mathematics

DeepSeek V3.2 (Thinking)

DeepSeek V3.2 (Thinking)

85.1

LFM2.5-1.2B-Thinking

42.3

87
AIME 2023
28
89
AIME 2024
30
88
AIME 2025
29
83
HMMT Feb 2023
24
85
HMMT Feb 2024
26
84
HMMT Feb 2025
25
86
BRUMO 2025
27
84
MATH-500
61

Frequently Asked Questions

Which is better, DeepSeek V3.2 (Thinking) or LFM2.5-1.2B-Thinking?

DeepSeek V3.2 (Thinking) is ahead overall, 70 to 33. The biggest single separator in this matchup is HumanEval, where the scores are 79 and 17.

Which is better for knowledge tasks, DeepSeek V3.2 (Thinking) or LFM2.5-1.2B-Thinking?

DeepSeek V3.2 (Thinking) has the edge for knowledge tasks in this comparison, averaging 64.4 versus 27. Inside this category, MMLU is the benchmark that creates the most daylight between them.

Which is better for coding, DeepSeek V3.2 (Thinking) or LFM2.5-1.2B-Thinking?

DeepSeek V3.2 (Thinking) has the edge for coding in this comparison, averaging 51.2 versus 8.2. Inside this category, HumanEval is the benchmark that creates the most daylight between them.

Which is better for math, DeepSeek V3.2 (Thinking) or LFM2.5-1.2B-Thinking?

DeepSeek V3.2 (Thinking) has the edge for math in this comparison, averaging 85.1 versus 42.3. Inside this category, AIME 2023 is the benchmark that creates the most daylight between them.

Which is better for reasoning, DeepSeek V3.2 (Thinking) or LFM2.5-1.2B-Thinking?

DeepSeek V3.2 (Thinking) has the edge for reasoning in this comparison, averaging 80.6 versus 38.4. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, DeepSeek V3.2 (Thinking) or LFM2.5-1.2B-Thinking?

DeepSeek V3.2 (Thinking) has the edge for agentic tasks in this comparison, averaging 69.4 versus 34.1. 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, DeepSeek V3.2 (Thinking) or LFM2.5-1.2B-Thinking?

DeepSeek V3.2 (Thinking) has the edge for multimodal and grounded tasks in this comparison, averaging 71 versus 32.4. Inside this category, MMMU-Pro is the benchmark that creates the most daylight between them.

Which is better for instruction following, DeepSeek V3.2 (Thinking) or LFM2.5-1.2B-Thinking?

DeepSeek V3.2 (Thinking) has the edge for instruction following in this comparison, averaging 85 versus 72. Inside this category, IFEval is the benchmark that creates the most daylight between them.

Which is better for multilingual tasks, DeepSeek V3.2 (Thinking) or LFM2.5-1.2B-Thinking?

DeepSeek V3.2 (Thinking) has the edge for multilingual tasks in this comparison, averaging 80.8 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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