Side-by-side benchmark comparison across agentic, coding, multimodal, knowledge, reasoning, and math workflows.
GPT-5.2 Instant is clearly ahead on the aggregate, 85 to 66. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
GPT-5.2 Instant's sharpest advantage is in coding, where it averages 75.5 against 50. The single biggest benchmark swing on the page is SWE-bench Verified, 75 to 45.
Pick GPT-5.2 Instant if you want the stronger benchmark profile. MiMo-V2-Flash only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.
GPT-5.2 Instant
79.6
MiMo-V2-Flash
61.8
GPT-5.2 Instant
75.5
MiMo-V2-Flash
50
GPT-5.2 Instant
93.1
MiMo-V2-Flash
75.8
GPT-5.2 Instant
90.9
MiMo-V2-Flash
75.3
GPT-5.2 Instant
79.8
MiMo-V2-Flash
58.8
GPT-5.2 Instant
95
MiMo-V2-Flash
84
GPT-5.2 Instant
94.4
MiMo-V2-Flash
79.1
GPT-5.2 Instant
97.2
MiMo-V2-Flash
83.4
GPT-5.2 Instant is ahead overall, 85 to 66. The biggest single separator in this matchup is SWE-bench Verified, where the scores are 75 and 45.
GPT-5.2 Instant has the edge for knowledge tasks in this comparison, averaging 79.8 versus 58.8. Inside this category, HLE is the benchmark that creates the most daylight between them.
GPT-5.2 Instant has the edge for coding in this comparison, averaging 75.5 versus 50. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.
GPT-5.2 Instant has the edge for math in this comparison, averaging 97.2 versus 83.4. Inside this category, AIME 2023 is the benchmark that creates the most daylight between them.
GPT-5.2 Instant has the edge for reasoning in this comparison, averaging 90.9 versus 75.3. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.
GPT-5.2 Instant has the edge for agentic tasks in this comparison, averaging 79.6 versus 61.8. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.
GPT-5.2 Instant has the edge for multimodal and grounded tasks in this comparison, averaging 93.1 versus 75.8. Inside this category, OfficeQA Pro is the benchmark that creates the most daylight between them.
GPT-5.2 Instant has the edge for instruction following in this comparison, averaging 95 versus 84. Inside this category, IFEval is the benchmark that creates the most daylight between them.
GPT-5.2 Instant has the edge for multilingual tasks in this comparison, averaging 94.4 versus 79.1. Inside this category, MMLU-ProX is the benchmark that creates the most daylight between them.
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