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 62. 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 42.9. The single biggest benchmark swing on the page is LiveCodeBench, 74 to 39.
GPT-5.2 Instant is the reasoning model in the pair, while DeepSeek LLM 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.
Pick GPT-5.2 Instant if you want the stronger benchmark profile. DeepSeek LLM 2.0 only becomes the better choice if you would rather avoid the extra latency and token burn of a reasoning model.
GPT-5.2 Instant
79.6
DeepSeek LLM 2.0
57.9
GPT-5.2 Instant
75.5
DeepSeek LLM 2.0
42.9
GPT-5.2 Instant
93.1
DeepSeek LLM 2.0
64.5
GPT-5.2 Instant
90.9
DeepSeek LLM 2.0
73.6
GPT-5.2 Instant
79.8
DeepSeek LLM 2.0
57.5
GPT-5.2 Instant
95
DeepSeek LLM 2.0
85
GPT-5.2 Instant
94.4
DeepSeek LLM 2.0
78.8
GPT-5.2 Instant
97.2
DeepSeek LLM 2.0
80.8
GPT-5.2 Instant is ahead overall, 85 to 62. The biggest single separator in this matchup is LiveCodeBench, where the scores are 74 and 39.
GPT-5.2 Instant has the edge for knowledge tasks in this comparison, averaging 79.8 versus 57.5. 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 42.9. Inside this category, LiveCodeBench 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 80.8. 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 73.6. Inside this category, LongBench v2 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 57.9. 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 64.5. Inside this category, MMMU-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 85. 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 78.8. Inside this category, MMLU-ProX is the benchmark that creates the most daylight between them.
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