Head-to-head comparison across 0 benchmark categories
Claude Mythos Preview
84
GPT-5.2 Pro
--
Benchmark data for Claude Mythos Preview and GPT-5.2 Pro is coming soon on BenchLM.
Claude Mythos Preview
GPT-5.2 Pro
$25 / $125
$25 / $150
N/A
N/A
N/A
N/A
1M
400K
Benchmark data for Claude Mythos Preview and GPT-5.2 Pro is coming soon on BenchLM.
BenchLM does not have sourced benchmark coverage for GPT-5.2 Pro yet. This comparison is currently limited to metadata such as context window, reasoning mode, and pricing where available.
GPT-5.2 Pro is priced at $25.00 input / $150.00 output per 1M tokens, versus $25.00 input / $125.00 output per 1M tokens for Claude Mythos Preview. Claude Mythos Preview has the larger context window at 1M, compared with 400K for GPT-5.2 Pro.
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 Mythos Preview: $25.00 input / $125.00 output per 1M tokens GPT-5.2 Pro: $25.00 input / $150.00 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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