LFM2.5-350M vs Qwen3.5-35B-A3B

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

Agentic
Coding
Multimodal & Grounded
Reasoning
Knowledge
Instruction Following
Multilingual
Mathematics

LFM2.5-350M· Qwen3.5-35B-A3B

Quick Verdict

Pick Qwen3.5-35B-A3B if you want the stronger benchmark profile. LFM2.5-350M only becomes the better choice if you would rather avoid the extra latency and token burn of a reasoning model.

Qwen3.5-35B-A3B is clearly ahead on the aggregate, 67 to 39. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Qwen3.5-35B-A3B's sharpest advantage is in knowledge, where it averages 79.3 against 23.8. The single biggest benchmark swing on the page is MMLU-Pro, 20.0% to 85.3%.

Qwen3.5-35B-A3B is the reasoning model in the pair, while LFM2.5-350M 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. Qwen3.5-35B-A3B gives you the larger context window at 262K, compared with 32K for LFM2.5-350M.

Operational tradeoffs

PriceFree*Free*
SpeedN/AN/A
TTFTN/AN/A
Context32K262K

Decision framing

BenchLM keeps the benchmark table and the operator tradeoffs on the same page so a better score does not hide a materially slower, pricier, or smaller-context model.

Runtime metrics show N/A when BenchLM does not have a sourced snapshot for that exact model. The scoring rules and freshness policy are documented on the methodology page.

BenchmarkLFM2.5-350MQwen3.5-35B-A3B
Agentic
Terminal-Bench 2.040.5%
BrowseComp61%
OSWorld-Verified54.5%
tau2-bench81.2%
Coding
SWE-bench Verified69.2%
LiveCodeBench74.6%
Multimodal & Grounded
MMMU-Pro75.1%
Reasoning
LongBench v259%
KnowledgeQwen3.5-35B-A3B wins
GPQA30.6%84.2%
MMLU-Pro20.0%85.3%
SuperGPQA63.4%
Instruction FollowingQwen3.5-35B-A3B wins
IFEval77.0%91.9%
Multilingual
MMLU-ProX81%
Mathematics
Coming soon
Frequently Asked Questions (3)

Which is better, LFM2.5-350M or Qwen3.5-35B-A3B?

Qwen3.5-35B-A3B is ahead overall, 67 to 39. The biggest single separator in this matchup is MMLU-Pro, where the scores are 20.0% and 85.3%.

Which is better for knowledge tasks, LFM2.5-350M or Qwen3.5-35B-A3B?

Qwen3.5-35B-A3B has the edge for knowledge tasks in this comparison, averaging 79.3 versus 23.8. Inside this category, MMLU-Pro is the benchmark that creates the most daylight between them.

Which is better for instruction following, LFM2.5-350M or Qwen3.5-35B-A3B?

Qwen3.5-35B-A3B has the edge for instruction following in this comparison, averaging 91.9 versus 77. Inside this category, IFEval is the benchmark that creates the most daylight between them.

Last updated: March 31, 2026

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