APIOpenAI · Joined Sep 10, 2026

OpenAI Agents API

API at OpenAI

3 incidents in the last 90 days

OpenAI Agents API does not have a researched profile yet. Everything here comes from its recorded changes and public listings, each linked to its source.

The basics

As of Nov 1

Status: Available

Updates

Oct 16

Now available

Ultrafast mode added to the Agents API

The Agents API now supports Ultrafast mode by setting agent.service_tier to ultrafast with a supported model, to reduce the time between generated tokens.

Oct 9

Price change

Agents API sandbox compute billed only during active turns

OpenAI-hosted sandbox compute in the Agents API is now billed only during active turns, not idle time between turns.

Sep 10

New release

Agents API released in public beta

OpenAI released the Agents API in public beta: agents run on a managed Codex harness with durable sessions, in OpenAI-hosted or self-hosted sandboxes.

Full changelog, by month

What people say

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Incidents

3 incidents, 15 h 17 min recorded in the last 90 days, from OpenAI's status page. Only major incidents or ones lasting 30 minutes or more are counted. Fewer records do not prove better uptime.

Incidents per week, last 13 weeks. Most in one week: 2.

Aug 3, 2026Last 7 days

Oct 6OpenAI reported degraded computer use in the Agents API2 h 45 min
Sep 18OpenAI reported overbilling for hosted containers in the Agents API9 h 23 min
Sep 14OpenAI reported delays starting managed sessions in the Agents API3 h 9 min