OpenAI unveils GPT-5.2 codex: New security standards for coding agents

OpenAI unveils GPT-5.2 codex: New security standards for coding agents

📖 This article is part of our comprehensive ChatGPT guide. Read the full guide →

With an addendum to the System Card, OpenAI radically shifts the security focus of GPT-5.2 codex from content moderation to functional capabilities safety. The updated model now blocks malware, obfuscation and prompt injections directly during token generation instead of relying on external guardrails.

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OpenAI unveils GPT-5.2 codex: The ultimate programming assistant?

OpenAI unveils GPT-5.2 codex: The ultimate programming assistant?

📖 This article is part of our comprehensive ChatGPT guide. Read the full guide →

With GPT-5.2-Codex, OpenAI releases a specialized model that understands logical relationships across complete repositories for the first time. It removes previous context limits and allows you to safely refactor entire legacy applications in a single run.

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Better coding with Mistral: Devstral 2 challenges Anthropic

Better coding with Mistral: Devstral 2 challenges Anthropic

With the update to Codestral 25.01, Mistral AI brings specialized models for “vibe coding” directly into your development environment. Available immediately, these enable latency-free autocomplete and “fill-in-the-middle” operations without manual syntax input. This allows you to efficiently control complex software logic using pure natural language.

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