Aion-2.0 vs Llama 4 Scout

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.

Quick Verdict

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.

Agentic

Aion-2.0

Aion-2.0

51.7

Llama 4 Scout

40.6

48
Terminal-Bench 2.0
39
60
BrowseComp
48
50
OSWorld-Verified
37

Coding

Aion-2.0

Aion-2.0

33.2

Llama 4 Scout

12.9

66
HumanEval
39
35
SWE-bench Verified
12
29
LiveCodeBench
11
37
SWE-bench Pro
15

Multimodal & Grounded

Aion-2.0

Aion-2.0

66

Llama 4 Scout

57.8

61
MMMU-Pro
60
72
OfficeQA Pro
55

Reasoning

Aion-2.0

Aion-2.0

70.3

Llama 4 Scout

55

76
SimpleQA
45
74
MuSR
43
76
BBH
60
64
LongBench v2
64
65
MRCRv2
66

Knowledge

Aion-2.0

Aion-2.0

54

Llama 4 Scout

35.6

78
MMLU
47
77
GPQA
46
75
SuperGPQA
44
75
OpenBookQA
42
67
MMLU-Pro
51
5
HLE
2
66
FrontierScience
44

Instruction Following

Aion-2.0

Aion-2.0

93

Llama 4 Scout

68

93
IFEval
68

Multilingual

Aion-2.0

Aion-2.0

78.1

Llama 4 Scout

59.8

80
MGSM
63
77
MMLU-ProX
58

Mathematics

Aion-2.0

Aion-2.0

72.1

Llama 4 Scout

51

74
AIME 2023
47
76
AIME 2024
49
75
AIME 2025
48
70
HMMT Feb 2023
43
72
HMMT Feb 2024
45
71
HMMT Feb 2025
44
73
BRUMO 2025
46
71
MATH-500
57

Frequently Asked Questions

Which is better, Aion-2.0 or Llama 4 Scout?

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.

Which is better for knowledge tasks, Aion-2.0 or Llama 4 Scout?

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.

Which is better for coding, Aion-2.0 or Llama 4 Scout?

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.

Which is better for math, Aion-2.0 or Llama 4 Scout?

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.

Which is better for reasoning, Aion-2.0 or Llama 4 Scout?

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.

Which is better for agentic tasks, Aion-2.0 or Llama 4 Scout?

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.

Which is better for multimodal and grounded tasks, Aion-2.0 or Llama 4 Scout?

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.

Which is better for instruction following, Aion-2.0 or Llama 4 Scout?

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.

Which is better for multilingual tasks, Aion-2.0 or Llama 4 Scout?

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.

Last updated: March 12, 2026

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