Head-to-head comparison across 0benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Claude Opus 4.5
76
GPT-5 (medium)
70
Verified leaderboard positions: Claude Opus 4.5 #13 · GPT-5 (medium) unranked
Benchmark data for Claude Opus 4.5 and GPT-5 (medium) is coming soon on BenchLM.
Claude Opus 4.5
GPT-5 (medium)
$5 / $25
$null / $null
46 t/s
83 t/s
1.01s
36.28s
200K
128K
Benchmark data for Claude Opus 4.5 and GPT-5 (medium) 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.
Claude Opus 4.5 has the larger context window at 200K, compared with 128K for GPT-5 (medium).
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.
Claude Opus 4.5: $5.00 input / $25.00 output per 1M tokens GPT-5 (medium): Pricing unavailable Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.
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