Qwen3 235B 2507 vs LFM2.5-1.2B-Thinking

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

Qwen3 235B 2507 is clearly ahead on the aggregate, 37 to 33. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Qwen3 235B 2507's sharpest advantage is in multimodal & grounded, where it averages 41.6 against 32.4. The single biggest benchmark swing on the page is HumanEval, 31 to 17. LFM2.5-1.2B-Thinking does hit back in instruction following, so the answer changes if that is the part of the workload you care about most.

LFM2.5-1.2B-Thinking is the reasoning model in the pair, while Qwen3 235B 2507 is not. That usually helps on harder chain-of-thought-heavy tests, but it can also mean more latency and more token spend in real use. Qwen3 235B 2507 gives you the larger context window at 128K, compared with 32K for LFM2.5-1.2B-Thinking.

Quick Verdict

Pick Qwen3 235B 2507 if you want the stronger benchmark profile. LFM2.5-1.2B-Thinking only becomes the better choice if instruction following is the priority or you want the stronger reasoning-first profile.

Agentic

LFM2.5-1.2B-Thinking

Qwen3 235B 2507

33.7

LFM2.5-1.2B-Thinking

34.1

33
Terminal-Bench 2.0
34
40
BrowseComp
37
30
OSWorld-Verified
32

Coding

Qwen3 235B 2507

Qwen3 235B 2507

14.6

LFM2.5-1.2B-Thinking

8.2

31
HumanEval
17
15
SWE-bench Verified
10
10
LiveCodeBench
9
19
SWE-bench Pro
7

Multimodal & Grounded

Qwen3 235B 2507

Qwen3 235B 2507

41.6

LFM2.5-1.2B-Thinking

32.4

38
MMMU-Pro
27
46
OfficeQA Pro
39

Reasoning

Qwen3 235B 2507

Qwen3 235B 2507

45.6

LFM2.5-1.2B-Thinking

38.4

37
SimpleQA
29
35
MuSR
31
60
BBH
67
52
LongBench v2
39
52
MRCRv2
42

Knowledge

Qwen3 235B 2507

Qwen3 235B 2507

31.9

LFM2.5-1.2B-Thinking

27

39
MMLU
27
38
GPQA
26
36
SuperGPQA
24
34
OpenBookQA
22
51
MMLU-Pro
51
1
HLE
2
39
FrontierScience
31

Instruction Following

LFM2.5-1.2B-Thinking

Qwen3 235B 2507

69

LFM2.5-1.2B-Thinking

72

69
IFEval
72

Multilingual

LFM2.5-1.2B-Thinking

Qwen3 235B 2507

60.4

LFM2.5-1.2B-Thinking

60.7

63
MGSM
62
59
MMLU-ProX
60

Mathematics

Qwen3 235B 2507

Qwen3 235B 2507

46.6

LFM2.5-1.2B-Thinking

42.3

39
AIME 2023
28
41
AIME 2024
30
40
AIME 2025
29
35
HMMT Feb 2023
24
37
HMMT Feb 2024
26
36
HMMT Feb 2025
25
38
BRUMO 2025
27
57
MATH-500
61

Frequently Asked Questions

Which is better, Qwen3 235B 2507 or LFM2.5-1.2B-Thinking?

Qwen3 235B 2507 is ahead overall, 37 to 33. The biggest single separator in this matchup is HumanEval, where the scores are 31 and 17.

Which is better for knowledge tasks, Qwen3 235B 2507 or LFM2.5-1.2B-Thinking?

Qwen3 235B 2507 has the edge for knowledge tasks in this comparison, averaging 31.9 versus 27. Inside this category, MMLU is the benchmark that creates the most daylight between them.

Which is better for coding, Qwen3 235B 2507 or LFM2.5-1.2B-Thinking?

Qwen3 235B 2507 has the edge for coding in this comparison, averaging 14.6 versus 8.2. Inside this category, HumanEval is the benchmark that creates the most daylight between them.

Which is better for math, Qwen3 235B 2507 or LFM2.5-1.2B-Thinking?

Qwen3 235B 2507 has the edge for math in this comparison, averaging 46.6 versus 42.3. Inside this category, AIME 2023 is the benchmark that creates the most daylight between them.

Which is better for reasoning, Qwen3 235B 2507 or LFM2.5-1.2B-Thinking?

Qwen3 235B 2507 has the edge for reasoning in this comparison, averaging 45.6 versus 38.4. Inside this category, LongBench v2 is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, Qwen3 235B 2507 or LFM2.5-1.2B-Thinking?

LFM2.5-1.2B-Thinking has the edge for agentic tasks in this comparison, averaging 34.1 versus 33.7. Inside this category, BrowseComp is the benchmark that creates the most daylight between them.

Which is better for multimodal and grounded tasks, Qwen3 235B 2507 or LFM2.5-1.2B-Thinking?

Qwen3 235B 2507 has the edge for multimodal and grounded tasks in this comparison, averaging 41.6 versus 32.4. Inside this category, MMMU-Pro is the benchmark that creates the most daylight between them.

Which is better for instruction following, Qwen3 235B 2507 or LFM2.5-1.2B-Thinking?

LFM2.5-1.2B-Thinking has the edge for instruction following in this comparison, averaging 72 versus 69. Inside this category, IFEval is the benchmark that creates the most daylight between them.

Which is better for multilingual tasks, Qwen3 235B 2507 or LFM2.5-1.2B-Thinking?

LFM2.5-1.2B-Thinking has the edge for multilingual tasks in this comparison, averaging 60.7 versus 60.4. Inside this category, MGSM is the benchmark that creates the most daylight between them.

Last updated: March 12, 2026

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