2026-02-06
Not available on the API in the name of “safety” (classic OpenAI), so impossible to properly evaluate or try out I'll be sticking to Opus 4.6 [image]
ZDNET
OpenAI launches GPT-5.3-Codex, which it says runs 25% faster, enabling longer-running tasks, and “is our first model that was instrumental in creating itself”
ZDNET's key takeaways — GPT-5.3-Codex helped debug and deploy parts of itself. — Codex can be steered mid-task without losing context.
Not available on the API in the name of “safety” (classic OpenAI), so impossible to properly evaluate or try out I'll be sticking to Opus 4.6 [image]
OpenAI
OpenAI says GPT-5.3-Codex goes beyond an agent that can code “to an agent that can do nearly anything developers and professionals can do on a computer”
Expanding Codex across the full spectrum of professional work on a computer. — Join the Codex app waitlist
2026-02-05
Not available on the API in the name of “safety” (classic OpenAI), so impossible to properly evaluate or try out I'll be sticking to Opus 4.6 [image]
ZDNET
OpenAI launches GPT-5.3-Codex, which it says runs 25% faster, enabling longer-running tasks, and “is our first model that was instrumental in creating itself”
ZDNET's key takeaways — GPT-5.3-Codex helped debug and deploy parts of itself. — Codex can be steered mid-task without losing context.
Not available on the API in the name of “safety” (classic OpenAI), so impossible to properly evaluate or try out I'll be sticking to Opus 4.6 [image]
OpenAI
OpenAI says GPT-5.3-Codex goes beyond an agent that can code “to an agent that can do nearly anything developers and professionals can do on a computer”
Expanding Codex across the full spectrum of professional work on a computer. — Join the Codex app waitlistForums:Hacker Newsandr/singularityForums:Hacker News:GPT-5.3-Codexr/sing...