OpenAI API
- OpenAPI contract
Vendor coverage
OpenAI API changes & breaking changes
OpenAI's API surface moves as fast as its models: new endpoints, new parameters, response schemas that grow and shift between releases. detektu diffs the published OpenAPI specification so your integration keeps up.
Last checked Nov 2, 2026, 11:19 AMLast change detected Oct 31, 2026, 9:45 AM
Detected changes
Latest OpenAI API changes
Every entry is a change detektu detected in OpenAI's published contracts, with exact before/after evidence on its page.
- BreakingResponse property one of added
openapi:POST /agents::response.201.application.json.tools.items. - BreakingResponse property one of added
openapi:GET /agents::response.200.application.json.data.items.tools.items. - InfoRevertedApi version not bumped
openapi:* *::operation.api-version-not-bumped - InfoDocumentation section changed: 2026-09-11: GPT-5.4-Cyber
doc:019fb619-9a96-7dbf-bd33-e06fdf8a22fb::Deprecations/Upcoming deprecations/2026-09-11: GPT-5.4-Cyber - InfoDocumentation section changed: 2026-03-24: Sora 2 video generation models and Videos API
doc:019fb619-9a96-7dbf-bd33-e06fdf8a22fb::Deprecations/Upcoming deprecations/2026-03-24: Sora 2 video generation models and Videos API - InfoDocumentation section changed: 2025-09-26: Legacy GPT model snapshots
doc:019fb619-9a96-7dbf-bd33-e06fdf8a22fb::Deprecations/Upcoming deprecations/2025-09-26: Legacy GPT model snapshots - InfoDocumentation section changed: 2026-03-24: Sora 2 video generation models and Videos API
doc:019fb619-9a96-7dbf-bd33-e06fdf8a22fb::Deprecations/Past deprecations/2026-03-24: Sora 2 video generation models and Videos API - InfoDocumentation section changed: 2025-09-26: Legacy GPT model snapshots
doc:019fb619-9a96-7dbf-bd33-e06fdf8a22fb::Deprecations/Past deprecations/2025-09-26: Legacy GPT model snapshots - InfoDocumentation section changed: Choosing a model
doc:019fb619-9a99-7d7b-8e9c-8482c4207adb::Models/Choosing a model - InfoCapability added: capability:openai:model:gpt-6.1-sol
capability:openai:model:gpt-6.1-sol
Coverage
What detektu monitors
Official products and contracts checked for changes.
Change model
How OpenAI ships changes
The release patterns that shape your integration risk.
OpenAI publishes an OpenAPI specification covering its API surface: chat completions, responses, embeddings, files, and more. It changes often, mostly additively, with occasional sharp edges. Parameters change shape, and response fields appear or move as capabilities roll out.
detektu diffs every revision of the spec and classifies each change by severity, so a new optional parameter reads as signal while a changed response schema on an operation you call escalates with exact before/after evidence.
Monitored for you
Do OpenAI's changes affect your integration?
Choose the operations and fields your services use. detektu matches OpenAI findings to that declared usage so your team can review the relevant evidence. No agent or repository access required.