GPT-6.1 Terra: What It Does, Who Gets It, What It Costs
GPT-6.1 Terra: What It Does, Who Gets It, What It Costs Open Source Factory · October 27, 2026 · Source-based analysis Watch the English video English motion graphic: an illustrated see–act–verify workflow, not a recorded Terra test. Motion graphics, original music and sound design: Open Source Factory. The detail I kept coming back to in the Terra launch was where you can use it. GPT-6.1 Terra arrived on October 26, but looking for it in ordinary Chat will get you nowhere. It is available in Work and Codex. That distinction tells you a lot about the job OpenAI wants it to do. The official rollout note places images, screens and actions together. My interest is practical: can it read something on screen, make the right change, and leave a result I can verify? The release makes Terra worth trying for that loop. It does not, by itself, establish how reliably Terra completes your own work. This is a source-based launch analysis, with my own cost calculations and a proposed test protoc...