Mistral Large 3 vs LFM2.5-1.2B-Instruct

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

Mistral Large 3 is clearly ahead on the aggregate, 61 to 30. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Mistral Large 3's sharpest advantage is in multimodal & grounded, where it averages 75.5 against 32.4. The single biggest benchmark swing on the page is HumanEval, 68 to 14.

Mistral Large 3 is also the more expensive model on tokens at $2.00 input / $6.00 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. Mistral Large 3 gives you the larger context window at 128K, compared with 32K for LFM2.5-1.2B-Instruct.

Quick Verdict

Pick Mistral Large 3 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

Mistral Large 3

Mistral Large 3

52.5

LFM2.5-1.2B-Instruct

25.7

52
Terminal-Bench 2.0
22
58
BrowseComp
31
49
OSWorld-Verified
26

Coding

Mistral Large 3

Mistral Large 3

41

LFM2.5-1.2B-Instruct

7.2

68
HumanEval
14
45
SWE-bench Verified
9
39
LiveCodeBench
8
42
SWE-bench Pro
6

Multimodal & Grounded

Mistral Large 3

Mistral Large 3

75.5

LFM2.5-1.2B-Instruct

32.4

75
MMMU-Pro
27
76
OfficeQA Pro
39

Reasoning

Mistral Large 3

Mistral Large 3

70.6

LFM2.5-1.2B-Instruct

32.1

73
SimpleQA
24
71
MuSR
22
81
BBH
59
67
LongBench v2
34
67
MRCRv2
37

Knowledge

Mistral Large 3

Mistral Large 3

57.1

LFM2.5-1.2B-Instruct

26

76
MMLU
26
75
GPQA
25
73
SuperGPQA
23
71
OpenBookQA
21
74
MMLU-Pro
50
12
HLE
1
67
FrontierScience
30

Instruction Following

Mistral Large 3

Mistral Large 3

83

LFM2.5-1.2B-Instruct

80

83
IFEval
80

Multilingual

Mistral Large 3

Mistral Large 3

78.8

LFM2.5-1.2B-Instruct

60.7

82
MGSM
62
77
MMLU-ProX
60

Mathematics

Mistral Large 3

Mistral Large 3

77.3

LFM2.5-1.2B-Instruct

37

76
AIME 2023
24
78
AIME 2024
26
77
AIME 2025
25
72
HMMT Feb 2023
20
74
HMMT Feb 2024
22
73
HMMT Feb 2025
21
75
BRUMO 2025
23
80
MATH-500
54

Frequently Asked Questions

Which is better, Mistral Large 3 or LFM2.5-1.2B-Instruct?

Mistral Large 3 is ahead overall, 61 to 30. The biggest single separator in this matchup is HumanEval, where the scores are 68 and 14.

Which is better for knowledge tasks, Mistral Large 3 or LFM2.5-1.2B-Instruct?

Mistral Large 3 has the edge for knowledge tasks in this comparison, averaging 57.1 versus 26. Inside this category, MMLU is the benchmark that creates the most daylight between them.

Which is better for coding, Mistral Large 3 or LFM2.5-1.2B-Instruct?

Mistral Large 3 has the edge for coding in this comparison, averaging 41 versus 7.2. Inside this category, HumanEval is the benchmark that creates the most daylight between them.

Which is better for math, Mistral Large 3 or LFM2.5-1.2B-Instruct?

Mistral Large 3 has the edge for math in this comparison, averaging 77.3 versus 37. Inside this category, AIME 2023 is the benchmark that creates the most daylight between them.

Which is better for reasoning, Mistral Large 3 or LFM2.5-1.2B-Instruct?

Mistral Large 3 has the edge for reasoning in this comparison, averaging 70.6 versus 32.1. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, Mistral Large 3 or LFM2.5-1.2B-Instruct?

Mistral Large 3 has the edge for agentic tasks in this comparison, averaging 52.5 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, Mistral Large 3 or LFM2.5-1.2B-Instruct?

Mistral Large 3 has the edge for multimodal and grounded tasks in this comparison, averaging 75.5 versus 32.4. Inside this category, MMMU-Pro is the benchmark that creates the most daylight between them.

Which is better for instruction following, Mistral Large 3 or LFM2.5-1.2B-Instruct?

Mistral Large 3 has the edge for instruction following in this comparison, averaging 83 versus 80. Inside this category, IFEval is the benchmark that creates the most daylight between them.

Which is better for multilingual tasks, Mistral Large 3 or LFM2.5-1.2B-Instruct?

Mistral Large 3 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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