Side-by-side benchmark comparison across agentic, coding, multimodal, knowledge, reasoning, and math workflows.
Grok 4 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.
Grok 4's sharpest advantage is in mathematics, where it averages 85.1 against 37. The single biggest benchmark swing on the page is HumanEval, 79 to 14.
Grok 4 gives you the larger context window at 128K, compared with 32K for LFM2.5-1.2B-Instruct.
Pick Grok 4 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.
Grok 4
58.1
LFM2.5-1.2B-Instruct
25.7
Grok 4
43.1
LFM2.5-1.2B-Instruct
7.2
Grok 4
78.2
LFM2.5-1.2B-Instruct
32.4
Grok 4
77.4
LFM2.5-1.2B-Instruct
32.1
Grok 4
63.8
LFM2.5-1.2B-Instruct
26
Grok 4
82
LFM2.5-1.2B-Instruct
80
Grok 4
80.8
LFM2.5-1.2B-Instruct
60.7
Grok 4
85.1
LFM2.5-1.2B-Instruct
37
Grok 4 is ahead overall, 66 to 30. The biggest single separator in this matchup is HumanEval, where the scores are 79 and 14.
Grok 4 has the edge for knowledge tasks in this comparison, averaging 63.8 versus 26. Inside this category, MMLU is the benchmark that creates the most daylight between them.
Grok 4 has the edge for coding in this comparison, averaging 43.1 versus 7.2. Inside this category, HumanEval is the benchmark that creates the most daylight between them.
Grok 4 has the edge for math in this comparison, averaging 85.1 versus 37. Inside this category, HMMT Feb 2023 is the benchmark that creates the most daylight between them.
Grok 4 has the edge for reasoning in this comparison, averaging 77.4 versus 32.1. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.
Grok 4 has the edge for agentic tasks in this comparison, averaging 58.1 versus 25.7. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.
Grok 4 has the edge for multimodal and grounded tasks in this comparison, averaging 78.2 versus 32.4. Inside this category, MMMU-Pro is the benchmark that creates the most daylight between them.
Grok 4 has the edge for instruction following in this comparison, averaging 82 versus 80. Inside this category, IFEval is the benchmark that creates the most daylight between them.
Grok 4 has the edge for multilingual tasks in this comparison, averaging 80.8 versus 60.7. Inside this category, MGSM is the benchmark that creates the most daylight between them.
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