Side-by-side benchmark comparison across agentic, coding, multimodal, knowledge, reasoning, and math workflows.
GLM-4.7-Flash is clearly ahead on the aggregate, 62 to 58. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
GLM-4.7-Flash's sharpest advantage is in coding, where it averages 45.9 against 33.2. The single biggest benchmark swing on the page is Terminal-Bench 2.0, 64 to 48. Aion-2.0 does hit back in instruction following, so the answer changes if that is the part of the workload you care about most.
GLM-4.7-Flash is the reasoning model in the pair, while Aion-2.0 is not. That usually helps on harder chain-of-thought-heavy tests, but it can also mean more latency and more token spend in real use. GLM-4.7-Flash gives you the larger context window at 200K, compared with 128K for Aion-2.0.
Pick GLM-4.7-Flash if you want the stronger benchmark profile. Aion-2.0 only becomes the better choice if instruction following is the priority or you would rather avoid the extra latency and token burn of a reasoning model.
GLM-4.7-Flash
61.3
Aion-2.0
51.7
GLM-4.7-Flash
45.9
Aion-2.0
33.2
GLM-4.7-Flash
62.5
Aion-2.0
66
GLM-4.7-Flash
69.7
Aion-2.0
70.3
GLM-4.7-Flash
54.1
Aion-2.0
54
GLM-4.7-Flash
84
Aion-2.0
93
GLM-4.7-Flash
81.8
Aion-2.0
78.1
GLM-4.7-Flash
74
Aion-2.0
72.1
GLM-4.7-Flash is ahead overall, 62 to 58. The biggest single separator in this matchup is Terminal-Bench 2.0, where the scores are 64 and 48.
GLM-4.7-Flash has the edge for knowledge tasks in this comparison, averaging 54.1 versus 54. Inside this category, OpenBookQA is the benchmark that creates the most daylight between them.
GLM-4.7-Flash has the edge for coding in this comparison, averaging 45.9 versus 33.2. Inside this category, LiveCodeBench is the benchmark that creates the most daylight between them.
GLM-4.7-Flash has the edge for math in this comparison, averaging 74 versus 72.1. Inside this category, MATH-500 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 69.7. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.
GLM-4.7-Flash has the edge for agentic tasks in this comparison, averaging 61.3 versus 51.7. Inside this category, Terminal-Bench 2.0 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 62.5. Inside this category, OfficeQA 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 84. Inside this category, IFEval is the benchmark that creates the most daylight between them.
GLM-4.7-Flash has the edge for multilingual tasks in this comparison, averaging 81.8 versus 78.1. Inside this category, MGSM is the benchmark that creates the most daylight between them.
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