Side-by-side benchmark comparison across agentic, coding, multimodal, knowledge, reasoning, and math workflows.
Aion-2.0 is clearly ahead on the aggregate, 58 to 42. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Aion-2.0's sharpest advantage is in instruction following, where it averages 93 against 68. The single biggest benchmark swing on the page is OpenBookQA, 75 to 42.
Aion-2.0 is also the more expensive model on tokens at $0.80 input / $1.60 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for Llama 4 Scout. That is roughly Infinityx on output cost alone. Llama 4 Scout gives you the larger context window at 10M, compared with 128K for Aion-2.0.
Pick Aion-2.0 if you want the stronger benchmark profile. Llama 4 Scout only becomes the better choice if you want the cheaper token bill or you need the larger 10M context window.
Aion-2.0
51.7
Llama 4 Scout
40.6
Aion-2.0
33.2
Llama 4 Scout
12.9
Aion-2.0
66
Llama 4 Scout
57.8
Aion-2.0
70.3
Llama 4 Scout
55
Aion-2.0
54
Llama 4 Scout
35.6
Aion-2.0
93
Llama 4 Scout
68
Aion-2.0
78.1
Llama 4 Scout
59.8
Aion-2.0
72.1
Llama 4 Scout
51
Aion-2.0 is ahead overall, 58 to 42. The biggest single separator in this matchup is OpenBookQA, where the scores are 75 and 42.
Aion-2.0 has the edge for knowledge tasks in this comparison, averaging 54 versus 35.6. Inside this category, OpenBookQA is the benchmark that creates the most daylight between them.
Aion-2.0 has the edge for coding in this comparison, averaging 33.2 versus 12.9. Inside this category, HumanEval is the benchmark that creates the most daylight between them.
Aion-2.0 has the edge for math in this comparison, averaging 72.1 versus 51. Inside this category, AIME 2023 is the benchmark that creates the most daylight between them.
Aion-2.0 has the edge for reasoning in this comparison, averaging 70.3 versus 55. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.
Aion-2.0 has the edge for agentic tasks in this comparison, averaging 51.7 versus 40.6. Inside this category, OSWorld-Verified is the benchmark that creates the most daylight between them.
Aion-2.0 has the edge for multimodal and grounded tasks in this comparison, averaging 66 versus 57.8. Inside this category, OfficeQA Pro is the benchmark that creates the most daylight between them.
Aion-2.0 has the edge for instruction following in this comparison, averaging 93 versus 68. Inside this category, IFEval is the benchmark that creates the most daylight between them.
Aion-2.0 has the edge for multilingual tasks in this comparison, averaging 78.1 versus 59.8. Inside this category, MMLU-ProX is the benchmark that creates the most daylight between them.
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