Head-to-head comparison across 0benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Gemini 2.5 Flash
37
GPT-5.4
89
Verified leaderboard positions: Gemini 2.5 Flash unranked · GPT-5.4 #16
Benchmark data for Gemini 2.5 Flash and GPT-5.4 is coming soon on BenchLM.
Gemini 2.5 Flash
GPT-5.4
$0.3 / $2.5
$2.5 / $15
221 t/s
74 t/s
0.50s
151.79s
1M
1.05M
Benchmark data for Gemini 2.5 Flash and GPT-5.4 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.
GPT-5.4 is priced at $2.50 input / $15.00 output per 1M tokens, versus $0.30 input / $2.50 output per 1M tokens for Gemini 2.5 Flash. GPT-5.4 has the larger context window at 1.05M, compared with 1M for Gemini 2.5 Flash.
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 2.5 Flash: $0.30 input / $2.50 output per 1M tokens GPT-5.4: $2.50 input / $15.00 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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