4 OpenAI Cost updates from this week

·2026.10.31 00:01

Key point

The Decisions API supports up to 400 questions per request, while GPT-6.1 Terra offers fast work at roughly half the token cost of larger models.

Decisions API is generally available with gpt-6-luna, allowing up to 400 questions in a single request and reusing cached context to lower token bills.
GPT-6.1 Terra is available in ChatGPT Work, Codex, and the API, designed for fast screen work and writing at roughly half the token cost of larger models.
Enterprise and Edu admins can export usage data to the single-user level and access dedicated reports for GPTs and Projects to identify unused paid licenses.
A freeze on new custom GPTs is implemented in Enterprise workspaces ahead of scheduled retirement, while existing GPTs continue to run.

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