chatgpt.com uses Cloudflare's TLS fingerprinting (JA3/JA4) which blocks Python requests regardless of cookies. curl_cffi impersonates Chrome's exact TLS handshake, making requests indistinguishable from a real browser at the transport layer. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
535 B
535 B