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 35. 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 multimodal & grounded, where it averages 66 against 36. The single biggest benchmark swing on the page is OpenBookQA, 75 to 26.
Pick Aion-2.0 if you want the stronger benchmark profile. GPT-OSS 20B only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.
Aion-2.0
51.7
GPT-OSS 20B
35.4
Aion-2.0
33.2
GPT-OSS 20B
14.5
Aion-2.0
66
GPT-OSS 20B
36
Aion-2.0
70.3
GPT-OSS 20B
40.4
Aion-2.0
54
GPT-OSS 20B
29
Aion-2.0
93
GPT-OSS 20B
67
Aion-2.0
78.1
GPT-OSS 20B
59.7
Aion-2.0
72.1
GPT-OSS 20B
43.1
Aion-2.0 is ahead overall, 58 to 35. The biggest single separator in this matchup is OpenBookQA, where the scores are 75 and 26.
Aion-2.0 has the edge for knowledge tasks in this comparison, averaging 54 versus 29. 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 14.5. 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 43.1. 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 40.4. 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 35.4. 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 36. Inside this category, MMMU-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 67. 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 59.7. Inside this category, MGSM is the benchmark that creates the most daylight between them.
Get notified when new models drop, benchmark scores change, or the leaderboard shifts. One email per week.
Free. No spam. Unsubscribe anytime. We only store derived location metadata for consent routing.