OpenAI launches GPT-5.6-Cyber with reduced refusals, 95% completion on advanced cybersecurity tasks

OpenAI’s documents list pricing for GPT-5.6-Cyber at $12.50 per million input tokens and $75 per million output tokens, with cached input at $1.25 per million tokens.
Security Boulevard

External input cannot be trusted: input validation and encoding strategies

Any data that enters your system from outside a trust boundary should be treated as untrusted until proven otherwise. That includes form fields, API payloads, file uploads, headers, cookies, queue ...