Head-to-head comparison across 0benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Claude Sonnet 4.5 Thinking
0
GPT-5 (high)
78
Benchmark data for Claude Sonnet 4.5 Thinking and GPT-5 (high) is coming soon on BenchLM.
Claude Sonnet 4.5 Thinking
GPT-5 (high)
N/A
$1.25 / $10
N/A
83 t/s
N/A
36.28s
200K
128K
Benchmark data for Claude Sonnet 4.5 Thinking and GPT-5 (high) 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 Sonnet 4.5 Thinking has the larger context window at 200K, compared with 128K for GPT-5 (high).
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.
GPT-5 (high): $1.25 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.
For engineers, researchers, and the plain curious — a weekly brief on new models, ranking shifts, and pricing changes.
Free. No spam. Unsubscribe anytime.