OpenAI Developers' October roundup for builders

@OpenAIDevs posted an X Article summing October for builders: Decisions API, 12-hour prompt caching, GPT-6.1 Sol Ultrafast (up to 8× faster token generation — OpenAI's claim), Codex composer predictions, higher API rate-limit tiers, GPT-6.1 Terra computer use, a Codex sandbox for Windows, team tasks in ChatGPT, GPT-Live-1 voice presets, Sites with databases and auth, and more.

Why it mattersSkim it for anything you already use (caching, computer use, Codex). Skip the rest until you have a concrete job for it.

Curated by Sara Simeone as part of our human editorial coverage. The original sources are linked below; curation is distinct from a Hype or Fact? assessment.

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How we knowCompany figures are labelled as their own claims; anything we couldn't verify is labelled as a report or a claim.