Aion-2.0 vs Mistral 7B v0.3

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 32. 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 reasoning, where it averages 70.3 against 36.1. The single biggest benchmark swing on the page is OpenBookQA, 75 to 25.

Aion-2.0 gives you the larger context window at 128K, compared with 32K for Mistral 7B v0.3.

Quick Verdict

Pick Aion-2.0 if you want the stronger benchmark profile. Mistral 7B v0.3 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

Mistral 7B v0.3

26.4

48
Terminal-Bench 2.0
24
60
BrowseComp
32
50
OSWorld-Verified
25

Coding

Aion-2.0

Aion-2.0

33.2

Mistral 7B v0.3

13.2

66
HumanEval
22
35
SWE-bench Verified
15
29
LiveCodeBench
14
37
SWE-bench Pro
12

Multimodal & Grounded

Aion-2.0

Aion-2.0

66

Mistral 7B v0.3

32.4

61
MMMU-Pro
27
72
OfficeQA Pro
39

Reasoning

Aion-2.0

Aion-2.0

70.3

Mistral 7B v0.3

36.1

76
SimpleQA
28
74
MuSR
26
76
BBH
63
64
LongBench v2
38
65
MRCRv2
41

Knowledge

Aion-2.0

Aion-2.0

54

Mistral 7B v0.3

30

78
MMLU
30
77
GPQA
29
75
SuperGPQA
27
75
OpenBookQA
25
67
MMLU-Pro
54
5
HLE
5
66
FrontierScience
34

Instruction Following

Aion-2.0

Aion-2.0

93

Mistral 7B v0.3

68

93
IFEval
68

Multilingual

Aion-2.0

Aion-2.0

78.1

Mistral 7B v0.3

60.7

80
MGSM
62
77
MMLU-ProX
60

Mathematics

Aion-2.0

Aion-2.0

72.1

Mistral 7B v0.3

43

74
AIME 2023
30
76
AIME 2024
32
75
AIME 2025
31
70
HMMT Feb 2023
26
72
HMMT Feb 2024
28
71
HMMT Feb 2025
27
73
BRUMO 2025
29
71
MATH-500
60

Frequently Asked Questions

Which is better, Aion-2.0 or Mistral 7B v0.3?

Aion-2.0 is ahead overall, 58 to 32. The biggest single separator in this matchup is OpenBookQA, where the scores are 75 and 25.

Which is better for knowledge tasks, Aion-2.0 or Mistral 7B v0.3?

Aion-2.0 has the edge for knowledge tasks in this comparison, averaging 54 versus 30. Inside this category, OpenBookQA is the benchmark that creates the most daylight between them.

Which is better for coding, Aion-2.0 or Mistral 7B v0.3?

Aion-2.0 has the edge for coding in this comparison, averaging 33.2 versus 13.2. Inside this category, HumanEval is the benchmark that creates the most daylight between them.

Which is better for math, Aion-2.0 or Mistral 7B v0.3?

Aion-2.0 has the edge for math in this comparison, averaging 72.1 versus 43. Inside this category, AIME 2023 is the benchmark that creates the most daylight between them.

Which is better for reasoning, Aion-2.0 or Mistral 7B v0.3?

Aion-2.0 has the edge for reasoning in this comparison, averaging 70.3 versus 36.1. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, Aion-2.0 or Mistral 7B v0.3?

Aion-2.0 has the edge for agentic tasks in this comparison, averaging 51.7 versus 26.4. 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 Mistral 7B v0.3?

Aion-2.0 has the edge for multimodal and grounded tasks in this comparison, averaging 66 versus 32.4. Inside this category, MMMU-Pro is the benchmark that creates the most daylight between them.

Which is better for instruction following, Aion-2.0 or Mistral 7B v0.3?

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 Mistral 7B v0.3?

Aion-2.0 has the edge for multilingual tasks in this comparison, averaging 78.1 versus 60.7. Inside this category, MGSM is the benchmark that creates the most daylight between them.

Last updated: March 12, 2026

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