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 45. 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 15.8. The single biggest benchmark swing on the page is SWE-bench Verified, 75 to 9.
GPT-5.2 Instant is the reasoning model in the pair, while Llama 3 70B 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. Llama 3 70B 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
Llama 3 70B
41.2
GPT-5.2 Instant
75.5
Llama 3 70B
15.8
GPT-5.2 Instant
93.1
Llama 3 70B
52.3
GPT-5.2 Instant
90.9
Llama 3 70B
59.6
GPT-5.2 Instant
79.8
Llama 3 70B
42.2
GPT-5.2 Instant
95
Llama 3 70B
77
GPT-5.2 Instant
94.4
Llama 3 70B
67.5
GPT-5.2 Instant
97.2
Llama 3 70B
63.3
GPT-5.2 Instant is ahead overall, 85 to 45. The biggest single separator in this matchup is SWE-bench Verified, where the scores are 75 and 9.
GPT-5.2 Instant has the edge for knowledge tasks in this comparison, averaging 79.8 versus 42.2. 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 15.8. 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 63.3. 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 59.6. 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 41.2. 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 52.3. 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 77. 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 67.5. Inside this category, MMLU-ProX is the benchmark that creates the most daylight between them.
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