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

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

DeepSeek Coder 2.0 is clearly ahead on the aggregate, 66 to 30. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

DeepSeek Coder 2.0's sharpest advantage is in coding, where it averages 52.8 against 7.2. The single biggest benchmark swing on the page is HumanEval, 82 to 14.

DeepSeek Coder 2.0 is also the more expensive model on tokens at $0.27 input / $1.10 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for LFM2.5-1.2B-Instruct. That is roughly Infinityx on output cost alone. DeepSeek Coder 2.0 gives you the larger context window at 128K, compared with 32K for LFM2.5-1.2B-Instruct.

Quick Verdict

Pick DeepSeek Coder 2.0 if you want the stronger benchmark profile. LFM2.5-1.2B-Instruct only becomes the better choice if you want the cheaper token bill.

Agentic

DeepSeek Coder 2.0

DeepSeek Coder 2.0

67.5

LFM2.5-1.2B-Instruct

25.7

73
Terminal-Bench 2.0
22
62
BrowseComp
31
65
OSWorld-Verified
26

Coding

DeepSeek Coder 2.0

DeepSeek Coder 2.0

52.8

LFM2.5-1.2B-Instruct

7.2

82
HumanEval
14
51
SWE-bench Verified
9
45
LiveCodeBench
8
61
SWE-bench Pro
6

Multimodal & Grounded

DeepSeek Coder 2.0

DeepSeek Coder 2.0

58.6

LFM2.5-1.2B-Instruct

32.4

50
MMMU-Pro
27
69
OfficeQA Pro
39

Reasoning

DeepSeek Coder 2.0

DeepSeek Coder 2.0

75.5

LFM2.5-1.2B-Instruct

32.1

78
SimpleQA
24
76
MuSR
22
84
BBH
59
73
LongBench v2
34
71
MRCRv2
37

Knowledge

DeepSeek Coder 2.0

DeepSeek Coder 2.0

59.6

LFM2.5-1.2B-Instruct

26

80
MMLU
26
79
GPQA
25
77
SuperGPQA
23
75
OpenBookQA
21
73
MMLU-Pro
50
14
HLE
1
72
FrontierScience
30

Instruction Following

DeepSeek Coder 2.0

DeepSeek Coder 2.0

86

LFM2.5-1.2B-Instruct

80

86
IFEval
80

Multilingual

DeepSeek Coder 2.0

DeepSeek Coder 2.0

79.8

LFM2.5-1.2B-Instruct

60.7

83
MGSM
62
78
MMLU-ProX
60

Mathematics

DeepSeek Coder 2.0

DeepSeek Coder 2.0

80.5

LFM2.5-1.2B-Instruct

37

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

Frequently Asked Questions

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

DeepSeek Coder 2.0 is ahead overall, 66 to 30. The biggest single separator in this matchup is HumanEval, where the scores are 82 and 14.

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

DeepSeek Coder 2.0 has the edge for knowledge tasks in this comparison, averaging 59.6 versus 26. Inside this category, MMLU is the benchmark that creates the most daylight between them.

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

DeepSeek Coder 2.0 has the edge for coding in this comparison, averaging 52.8 versus 7.2. Inside this category, HumanEval is the benchmark that creates the most daylight between them.

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

DeepSeek Coder 2.0 has the edge for math in this comparison, averaging 80.5 versus 37. Inside this category, AIME 2023 is the benchmark that creates the most daylight between them.

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

DeepSeek Coder 2.0 has the edge for reasoning in this comparison, averaging 75.5 versus 32.1. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.

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

DeepSeek Coder 2.0 has the edge for agentic tasks in this comparison, averaging 67.5 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 Coder 2.0 or LFM2.5-1.2B-Instruct?

DeepSeek Coder 2.0 has the edge for multimodal and grounded tasks in this comparison, averaging 58.6 versus 32.4. Inside this category, OfficeQA Pro is the benchmark that creates the most daylight between them.

Which is better for instruction following, DeepSeek Coder 2.0 or LFM2.5-1.2B-Instruct?

DeepSeek Coder 2.0 has the edge for instruction following in this comparison, averaging 86 versus 80. Inside this category, IFEval is the benchmark that creates the most daylight between them.

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

DeepSeek Coder 2.0 has the edge for multilingual tasks in this comparison, averaging 79.8 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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