Aion-2.0 vs Moonshot v1

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 47. 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 77. The single biggest benchmark swing on the page is OpenBookQA, 75 to 48.

Quick Verdict

Pick Aion-2.0 if you want the stronger benchmark profile. Moonshot v1 only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.

Agentic

Aion-2.0

Aion-2.0

51.7

Moonshot v1

42.2

48
Terminal-Bench 2.0
39
60
BrowseComp
49
50
OSWorld-Verified
41

Coding

Aion-2.0

Aion-2.0

33.2

Moonshot v1

26.4

66
HumanEval
45
35
SWE-bench Verified
34
29
LiveCodeBench
21
37
SWE-bench Pro
30

Multimodal & Grounded

Aion-2.0

Aion-2.0

66

Moonshot v1

52.6

61
MMMU-Pro
49
72
OfficeQA Pro
57

Reasoning

Aion-2.0

Aion-2.0

70.3

Moonshot v1

55.5

76
SimpleQA
51
74
MuSR
49
76
BBH
73
64
LongBench v2
58
65
MRCRv2
56

Knowledge

Aion-2.0

Aion-2.0

54

Moonshot v1

42.3

78
MMLU
53
77
GPQA
52
75
SuperGPQA
50
75
OpenBookQA
48
67
MMLU-Pro
64
5
HLE
5
66
FrontierScience
49

Instruction Following

Aion-2.0

Aion-2.0

93

Moonshot v1

77

93
IFEval
77

Multilingual

Aion-2.0

Aion-2.0

78.1

Moonshot v1

69.8

80
MGSM
73
77
MMLU-ProX
68

Mathematics

Aion-2.0

Aion-2.0

72.1

Moonshot v1

61

74
AIME 2023
53
76
AIME 2024
55
75
AIME 2025
54
70
HMMT Feb 2023
49
72
HMMT Feb 2024
51
71
HMMT Feb 2025
50
73
BRUMO 2025
52
71
MATH-500
72

Frequently Asked Questions

Which is better, Aion-2.0 or Moonshot v1?

Aion-2.0 is ahead overall, 58 to 47. The biggest single separator in this matchup is OpenBookQA, where the scores are 75 and 48.

Which is better for knowledge tasks, Aion-2.0 or Moonshot v1?

Aion-2.0 has the edge for knowledge tasks in this comparison, averaging 54 versus 42.3. Inside this category, OpenBookQA is the benchmark that creates the most daylight between them.

Which is better for coding, Aion-2.0 or Moonshot v1?

Aion-2.0 has the edge for coding in this comparison, averaging 33.2 versus 26.4. Inside this category, HumanEval is the benchmark that creates the most daylight between them.

Which is better for math, Aion-2.0 or Moonshot v1?

Aion-2.0 has the edge for math in this comparison, averaging 72.1 versus 61. Inside this category, AIME 2023 is the benchmark that creates the most daylight between them.

Which is better for reasoning, Aion-2.0 or Moonshot v1?

Aion-2.0 has the edge for reasoning in this comparison, averaging 70.3 versus 55.5. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, Aion-2.0 or Moonshot v1?

Aion-2.0 has the edge for agentic tasks in this comparison, averaging 51.7 versus 42.2. Inside this category, BrowseComp is the benchmark that creates the most daylight between them.

Which is better for multimodal and grounded tasks, Aion-2.0 or Moonshot v1?

Aion-2.0 has the edge for multimodal and grounded tasks in this comparison, averaging 66 versus 52.6. 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 Moonshot v1?

Aion-2.0 has the edge for instruction following in this comparison, averaging 93 versus 77. Inside this category, IFEval is the benchmark that creates the most daylight between them.

Which is better for multilingual tasks, Aion-2.0 or Moonshot v1?

Aion-2.0 has the edge for multilingual tasks in this comparison, averaging 78.1 versus 69.8. Inside this category, MMLU-ProX is the benchmark that creates the most daylight between them.

Last updated: March 12, 2026

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