GPT-5.2 and GPT-5.2-Codex are now 40% faster
Summary
GPT-5.2 and GPT-5.2-Codex are claimed to be 40% faster in a post by OpenAI developers. The article page itself mainly links to a Twitter post and displays a generic privacy note and an error message, offering little technical detail. Verification from official benchmarks and sources is needed to assess the claim.