Aion-2.0 vs GPT-4 Turbo

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 coding, where it averages 33.2 against 17.2. The single biggest benchmark swing on the page is SWE-bench Verified, 35 to 5.

Quick Verdict

Pick Aion-2.0 if you want the stronger benchmark profile. GPT-4 Turbo 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

GPT-4 Turbo

44.7

48
Terminal-Bench 2.0
42
60
BrowseComp
54
50
OSWorld-Verified
41

Coding

Aion-2.0

Aion-2.0

33.2

GPT-4 Turbo

17.2

66
HumanEval
52
35
SWE-bench Verified
5
29
LiveCodeBench
23
37
SWE-bench Pro
14

Multimodal & Grounded

Aion-2.0

Aion-2.0

66

GPT-4 Turbo

55.3

61
MMMU-Pro
53
72
OfficeQA Pro
58

Reasoning

Aion-2.0

Aion-2.0

70.3

GPT-4 Turbo

61

76
SimpleQA
58
74
MuSR
56
76
BBH
75
64
LongBench v2
62
65
MRCRv2
62

Knowledge

Aion-2.0

Aion-2.0

54

GPT-4 Turbo

41.1

78
MMLU
60
77
GPQA
60
75
SuperGPQA
58
75
OpenBookQA
56
67
MMLU-Pro
51
5
HLE
1
66
FrontierScience
52

Instruction Following

Aion-2.0

Aion-2.0

93

GPT-4 Turbo

80

93
IFEval
80

Multilingual

Aion-2.0

Aion-2.0

78.1

GPT-4 Turbo

68.5

80
MGSM
75
77
MMLU-ProX
65

Mathematics

Aion-2.0

Aion-2.0

72.1

GPT-4 Turbo

64.4

74
AIME 2023
60
76
AIME 2024
62
75
AIME 2025
61
70
HMMT Feb 2023
56
72
HMMT Feb 2024
58
71
HMMT Feb 2025
57
73
BRUMO 2025
59
71
MATH-500
71

Frequently Asked Questions

Which is better, Aion-2.0 or GPT-4 Turbo?

Aion-2.0 is ahead overall, 58 to 47. The biggest single separator in this matchup is SWE-bench Verified, where the scores are 35 and 5.

Which is better for knowledge tasks, Aion-2.0 or GPT-4 Turbo?

Aion-2.0 has the edge for knowledge tasks in this comparison, averaging 54 versus 41.1. Inside this category, OpenBookQA is the benchmark that creates the most daylight between them.

Which is better for coding, Aion-2.0 or GPT-4 Turbo?

Aion-2.0 has the edge for coding in this comparison, averaging 33.2 versus 17.2. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.

Which is better for math, Aion-2.0 or GPT-4 Turbo?

Aion-2.0 has the edge for math in this comparison, averaging 72.1 versus 64.4. Inside this category, AIME 2023 is the benchmark that creates the most daylight between them.

Which is better for reasoning, Aion-2.0 or GPT-4 Turbo?

Aion-2.0 has the edge for reasoning in this comparison, averaging 70.3 versus 61. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, Aion-2.0 or GPT-4 Turbo?

Aion-2.0 has the edge for agentic tasks in this comparison, averaging 51.7 versus 44.7. 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 GPT-4 Turbo?

Aion-2.0 has the edge for multimodal and grounded tasks in this comparison, averaging 66 versus 55.3. 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 GPT-4 Turbo?

Aion-2.0 has the edge for instruction following in this comparison, averaging 93 versus 80. Inside this category, IFEval is the benchmark that creates the most daylight between them.

Which is better for multilingual tasks, Aion-2.0 or GPT-4 Turbo?

Aion-2.0 has the edge for multilingual tasks in this comparison, averaging 78.1 versus 68.5. Inside this category, MMLU-ProX is the benchmark that creates the most daylight between them.

Last updated: March 12, 2026

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