Head-to-head comparison across 0benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Gemini 3 Pro Deep Think
86
GPT-5.3 Codex
89
Benchmark data for Gemini 3 Pro Deep Think and GPT-5.3 Codex is coming soon on BenchLM.
Gemini 3 Pro Deep Think
GPT-5.3 Codex
$null / $null
$2.5 / $10
N/A
79 t/s
N/A
88.26s
2M
400K
Benchmark data for Gemini 3 Pro Deep Think and GPT-5.3 Codex is coming soon on BenchLM.
BenchLM has partial data for these models, but not enough overlapping benchmark coverage to produce a fair score-level comparison yet.
Gemini 3 Pro Deep Think has the larger context window at 2M, compared with 400K for GPT-5.3 Codex.
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 Pro Deep Think: Pricing unavailable GPT-5.3 Codex: $2.50 input / $10.00 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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