AI Change Record
OpenAI Agent Builder shutdown deadline: November 30, 2026
OpenAI announced the Agent Builder lifecycle deadline: the visual workflow builder is deprecated and scheduled to shut down on November 30, 2026. OpenAI documents two migration directions—rebuild equivalent behavior with the Agents SDK or move suitable use cases to ChatGPT Workspace Agents—while ChatKit remains available.
At a glance
Change Snapshot
- Company
- OpenAI
- Retirement date
- November 30, 2026
- Launch type
- Not classified
- Category
- AI Agents, AI Developer Tools, AI Infrastructure
- Pricing
- There is no separate shutdown or migration fee. Replacement API usage and ChatGPT workspace access follow current OpenAI pricing; engineering, evaluation, observability and rollback work remain implementation costs.
- Free plan
- No
- API
- Yes
- Open weights/source
- No
Record Context
Use these links to inspect this operational change alongside related Launch Intelligence records.
Verification & Sources
- Evidence state
- Source-verified
- Source links
- 5
- Freshness
- Checked August 1, 2026
- Last verified
- August 1, 2026
- Last updated
- August 23, 2026
What this evidence state means
- Definition
- The stated claim was checked against a named primary or authoritative source. This does not mean Kingy tested the product.
- Required provenance
- At least one public, named primary or authoritative source that directly supports the claim.
- Owner
- Kingy editorial reviewer
- Freshness rule
- Recheck within 30 days and after a material product, price, access, or source change.
- Disputes and corrections
- Use “Suggest a correction” on the record. Kingy editorial reviews the cited evidence, records material corrections, and changes or removes the state when it is not supported.
Key source checks
Suggest a correction
Kingy AI Take
Treat November 30 as a workflow migration deadline, not a new product launch and not a one-line model swap. Export each workflow, inventory nodes, tools, state and guardrails, choose the Agents SDK or Workspace Agents deliberately, then regression-test behavior and preserve a rollback path. ChatKit continuing does not preserve an Agent Builder workflow after the hosted builder shuts down.
Stack Change Radar record · ksr-openai-agent-builder-2026-11-30
Operational change record
- Vendor
- OpenAI
- Product
- Agent Builder
- Model / version
- Not model-specific
- Change
- Retirement · High
- Audience
- Developers and teams with workflows built in OpenAI Agent Builder.
- Region / platform
- OpenAI platform; no regional exception documented
- Announcement
- Jun 3, 2026
- Effective / deadline
- Jun 3, 2026 · Nov 30, 2026
- Previous → new
- Available for existing Agent Builder workflows → Scheduled to shut down after November 30, 2026
- Required action
- Export and inventory Agent Builder workflows, choose a target architecture, rebuild and regression-test tools, state, guardrails and ChatKit behavior, then cut over with rollback before November 30.
- Replacement / migration
- Rebuild affected workflows with the Agents SDK or ChatGPT Workspace Agents. ChatKit remains available; test tools, state, guardrails and rollback before cutover.
- Evidence
- Strong · checked Aug 23, 2026
- State
- Active
Sources: Official source 1 · Official source 2 · Official source 3 · Official source 4 · Official source 5
Correction history: No corrections recorded.
Who it is for
Developers, agent teams, platform owners and engineering leaders responsible for Agent Builder workflows, hosted workflow IDs, ChatKit integrations, tools, state, guardrails and production cutovers.
What feels promising
OpenAI provides a dedicated migration guide, export path and two target architectures, giving teams enough structure to begin a staged cutover instead of reverse-engineering the old workflow at the deadline.
What feels unproven
Kingy did not migrate a production Agent Builder workflow. Node parity, tool behavior, state handling, guardrails, tracing, latency, cost and ChatKit integration can vary by workflow and require direct testing.
Source-backed record