Head-to-head comparison across 0benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Gemini 3.5 Flash
88
o3-pro
--
Verified leaderboard positions: Gemini 3.5 Flash #7 · o3-pro unranked
Benchmark data for Gemini 3.5 Flash and o3-pro is coming soon on BenchLM.
Gemini 3.5 Flash
o3-pro
$1.5 / $9
$20 / $80
284.2 t/s
27 t/s
18.55s
84.93s
1M
200K
Benchmark data for Gemini 3.5 Flash and o3-pro is coming soon on BenchLM.
BenchLM does not have sourced benchmark coverage for o3-pro yet. This comparison is currently limited to metadata such as context window, reasoning mode, and pricing where available.
o3-pro is priced at $20.00 input / $80.00 output per 1M tokens, versus $1.50 input / $9.00 output per 1M tokens for Gemini 3.5 Flash. Gemini 3.5 Flash has the larger context window at 1M, compared with 200K for o3-pro.
Not fully yet. BenchLM is tracking both models, but the sourced benchmark breakdown for this comparison is still coming soon.
BenchLM only shows category winners and benchmark-level calls when we have sourced results that can be compared fairly. For these models, the public benchmark coverage is not complete enough yet.
Gemini 3.5 Flash: $1.50 input / $9.00 output per 1M tokens o3-pro: $20.00 input / $80.00 output per 1M tokens Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.
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