Head-to-head comparison across 0benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Claude 4.1 Opus
53
GPT-5.5 Pro
100
Benchmark data for Claude 4.1 Opus and GPT-5.5 Pro is coming soon on BenchLM.
Claude 4.1 Opus
GPT-5.5 Pro
$15 / $75
$30 / $180
29 t/s
N/A
1.66s
N/A
200K
1M
Benchmark data for Claude 4.1 Opus and GPT-5.5 Pro 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-5.5 Pro is priced at $30.00 input / $180.00 output per 1M tokens, versus $15.00 input / $75.00 output per 1M tokens for Claude 4.1 Opus. GPT-5.5 Pro has the larger context window at 1M, compared with 200K for Claude 4.1 Opus.
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 4.1 Opus: $15.00 input / $75.00 output per 1M tokens GPT-5.5 Pro: $30.00 input / $180.00 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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