DeepSeek LLM 2.0 vs LFM2.5-1.2B-Instruct

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

DeepSeek LLM 2.0 is clearly ahead on the aggregate, 62 to 30. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

DeepSeek LLM 2.0's sharpest advantage is in mathematics, where it averages 80.8 against 37. The single biggest benchmark swing on the page is HumanEval, 73 to 14.

DeepSeek LLM 2.0 gives you the larger context window at 128K, compared with 32K for LFM2.5-1.2B-Instruct.

Quick Verdict

Pick DeepSeek LLM 2.0 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

DeepSeek LLM 2.0

DeepSeek LLM 2.0

57.9

LFM2.5-1.2B-Instruct

25.7

57
Terminal-Bench 2.0
22
62
BrowseComp
31
56
OSWorld-Verified
26

Coding

DeepSeek LLM 2.0

DeepSeek LLM 2.0

42.9

LFM2.5-1.2B-Instruct

7.2

73
HumanEval
14
46
SWE-bench Verified
9
39
LiveCodeBench
8
46
SWE-bench Pro
6

Multimodal & Grounded

DeepSeek LLM 2.0

DeepSeek LLM 2.0

64.5

LFM2.5-1.2B-Instruct

32.4

60
MMMU-Pro
27
70
OfficeQA Pro
39

Reasoning

DeepSeek LLM 2.0

DeepSeek LLM 2.0

73.6

LFM2.5-1.2B-Instruct

32.1

77
SimpleQA
24
75
MuSR
22
81
BBH
59
70
LongBench v2
34
69
MRCRv2
37

Knowledge

DeepSeek LLM 2.0

DeepSeek LLM 2.0

57.5

LFM2.5-1.2B-Instruct

26

79
MMLU
26
78
GPQA
25
76
SuperGPQA
23
74
OpenBookQA
21
72
MMLU-Pro
50
12
HLE
1
67
FrontierScience
30

Instruction Following

DeepSeek LLM 2.0

DeepSeek LLM 2.0

85

LFM2.5-1.2B-Instruct

80

85
IFEval
80

Multilingual

DeepSeek LLM 2.0

DeepSeek LLM 2.0

78.8

LFM2.5-1.2B-Instruct

60.7

82
MGSM
62
77
MMLU-ProX
60

Mathematics

DeepSeek LLM 2.0

DeepSeek LLM 2.0

80.8

LFM2.5-1.2B-Instruct

37

80
AIME 2023
24
82
AIME 2024
26
81
AIME 2025
25
76
HMMT Feb 2023
20
78
HMMT Feb 2024
22
77
HMMT Feb 2025
21
79
BRUMO 2025
23
83
MATH-500
54

Frequently Asked Questions

Which is better, DeepSeek LLM 2.0 or LFM2.5-1.2B-Instruct?

DeepSeek LLM 2.0 is ahead overall, 62 to 30. The biggest single separator in this matchup is HumanEval, where the scores are 73 and 14.

Which is better for knowledge tasks, DeepSeek LLM 2.0 or LFM2.5-1.2B-Instruct?

DeepSeek LLM 2.0 has the edge for knowledge tasks in this comparison, averaging 57.5 versus 26. Inside this category, MMLU is the benchmark that creates the most daylight between them.

Which is better for coding, DeepSeek LLM 2.0 or LFM2.5-1.2B-Instruct?

DeepSeek LLM 2.0 has the edge for coding in this comparison, averaging 42.9 versus 7.2. Inside this category, HumanEval is the benchmark that creates the most daylight between them.

Which is better for math, DeepSeek LLM 2.0 or LFM2.5-1.2B-Instruct?

DeepSeek LLM 2.0 has the edge for math in this comparison, averaging 80.8 versus 37. Inside this category, AIME 2023 is the benchmark that creates the most daylight between them.

Which is better for reasoning, DeepSeek LLM 2.0 or LFM2.5-1.2B-Instruct?

DeepSeek LLM 2.0 has the edge for reasoning in this comparison, averaging 73.6 versus 32.1. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, DeepSeek LLM 2.0 or LFM2.5-1.2B-Instruct?

DeepSeek LLM 2.0 has the edge for agentic tasks in this comparison, averaging 57.9 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, DeepSeek LLM 2.0 or LFM2.5-1.2B-Instruct?

DeepSeek LLM 2.0 has the edge for multimodal and grounded tasks in this comparison, averaging 64.5 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 LLM 2.0 or LFM2.5-1.2B-Instruct?

DeepSeek LLM 2.0 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, DeepSeek LLM 2.0 or LFM2.5-1.2B-Instruct?

DeepSeek LLM 2.0 has the edge for multilingual tasks in this comparison, averaging 78.8 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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