Deprecations / Migrations

Shutdown dates and replacement paths in one migration category.

Shutdown dates, migration paths, and replacement decisions grouped into live provider clusters.

Review OpenAI pages Open OpenAI hub

Current state

Deprecations now sit inside a cross-provider category instead of only inside provider-local indexes.

Live

Current live coverage is OpenAI-only, but the category structure is now site-wide and indexable.

Live pages

5

Providers covered

1

Primary category

Deprecations / Migrations

OpenAI

OpenAI pages currently live under Deprecations / Migrations.

These pages stay grouped by provider so the reader can move laterally instead of bouncing between unrelated URLs.

Provider category hub

OpenAI deprecations tracker

Provider-specific hub for OpenAI shutdown dates, migration briefs, and replacement paths.

OpenAIDeprecations / Migrations

Migration brief

Assistants API shutdown date

Shutdown-date brief for Assistants API with migration mapping and replacement path.

OpenAIDeprecations / Migrations

Migration brief

Realtime API beta shutdown

Shutdown-date brief for the Realtime beta interface and the current GA migration path.

OpenAIDeprecations / Migrations

Migration brief

Legacy GPT snapshots

Migration brief for dated legacy GPT snapshots and older preview aliases with a fixed cutoff.

OpenAIDeprecations / Migrations

Migration brief

GPT-4o preview audio and realtime models

Migration brief for dated preview audio and realtime model names moving to current families.

OpenAIDeprecations / Migrations

Continue the site

Keep moving through the decision from here.

Use the groups below to move laterally through the decision, not back out into another doc hunt.

Related pages

Stay in the same decision neighborhood instead of backing out to search.

OpenAI deprecations tracker

Provider-specific hub for OpenAI shutdown dates, migration briefs, and replacement paths.

OpenAI

Provider hub for OpenAI pricing, hosted-tool costs, limits, and lifecycle risk.

Pricing / Costs

Model pricing, hosted-tool costs, and fit constraints that materially change the operating estimate.

Compare pages

Open the pages that turn this topic into a side-by-side decision.

Comparisons

Side-by-side model comparisons and scenario recommendation pages for cost-sensitive decisions.

GPT-5.4 vs GPT-5 mini

Side-by-side comparison of GPT-5.4 and GPT-5 mini across price, fit, and tool pressure.

Cheapest OpenAI model for extraction

Scenario recommendation page for choosing the cheapest workable OpenAI extraction model.

Replacement pages

Use the likely substitutes, migration targets, or fallback choices as the next click.

Assistants API shutdown date

Shutdown-date brief for Assistants API with migration mapping and replacement path.

Realtime API beta shutdown

Shutdown-date brief for the Realtime beta interface and the current GA migration path.

Legacy GPT snapshots

Migration brief for dated legacy GPT snapshots and older preview aliases with a fixed cutoff.

Source category pages

Trace the source families behind this page instead of opening random docs in isolation.

Deprecation and migration sources

Official shutdown, migration, and replacement references behind lifecycle pages.

Guide and API reference sources

Operational guides and API references used by tool-cost, migration, and calculator pages.

Changelog sources

Official changelog sources used to confirm whether a pricing or lifecycle change is current.