Head-to-head comparison across 0benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Claude Opus 4.8
93
GPT-5 (medium)
71
Verified leaderboard positions: Claude Opus 4.8 #3 · GPT-5 (medium) unranked
Benchmark data for Claude Opus 4.8 and GPT-5 (medium) is coming soon on BenchLM.
Claude Opus 4.8
GPT-5 (medium)
$5 / $25
$null / $null
N/A
83 t/s
N/A
36.28s
1M
128K
Benchmark data for Claude Opus 4.8 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 4.8 has the larger context window at 1M, 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 4.8: $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.
For engineers, researchers, and the plain curious — a weekly brief on new models, ranking shifts, and pricing changes.
Free. No spam. Unsubscribe anytime.