GPT-5.3-Codex can now operate a computer as well as write code It's also quicker, uses fewer tokens and can be reasoned with mid-flow Codex 5.3 was even used to build itself and the team was "blown ...

OpenAI is pitching GPT-5.3-Codex as a long-running “agent,” not just a code helper: The company says the model combines GPT-5.2-Codex coding strength with GPT-5.2 reasoning and professional knowledge, ...

The new coding model released Thursday afternoon, entitled GPT-5.3-Codex, builds on OpenAI’s GPT-5.2-Codex model and combines insights from the AI company’s GPT-5.2 model, which excels on non-coding ...

Claude Code vs ChatGPT Codex compared for performance, pricing, workflows, and privacy to find the best AI coding assistant ...

I think the AI companies have more powerful models and releasing them piecemeal to steal compition spotlight. That said I like the direction OpenAI is going with this new model, if we can’t get AGI ...

OpenAI’s frontier model may not have astounded when it arrived earlier this year, but research indicates it’s now much better than others at writing code with fewer vulnerabilities. One area where GPT ...

OpenAI targets "conversational" coding, not slow batch-style agents. Big latency wins: 80% faster roundtrip, 50% faster time-to-first-token. Runs on Cerebras WSE-3 chips for a latency-first Codex ...