Source directory

Source hubs should connect evidence families to the pages built on them.

These hubs group the official source categories behind the site so evidence can be explored as a system instead of as random links.

Review source categories Open pricing sources

Current state

Source categories now have their own hubs instead of hiding behind individual footers.

Live

Each source category hub links both to official references and to the internal pages that rely on them.

Source categories

Primary provider

OpenAI

Current mode

Internal source hubs

Source categories

The current evidence families behind this site.

Each category opens a hub that combines official references with the pages built from them.

Source category

Pricing sources

Official pricing pages used to support model, tool-cost, and calculator estimates.

1 official sources10 linked pages

Open page

Source category

Model sources

Official model pages used for context windows, output caps, and built-in tool coverage.

3 official sources6 linked pages

Open page

Source category

Deprecation and migration sources

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

4 official sources6 linked pages

Open page

Source category

Guide and API reference sources

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

6 official sources8 linked pages

Open page

Source category

Changelog sources

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

1 official sources1 linked pages

Open page

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.

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

OpenAI

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

Open page

Pricing / Costs

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

Open page

Deprecations / Migrations

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

Open page

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.

Open page

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.

Open page

Replacement pages

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

OpenAI API pricing calculator

Interactive calculator for model tokens, hosted tools, and runtime in one estimate.

Open page

GPT-5 mini pricing

Single-model pricing brief for GPT-5 mini across standard and batch rows.

Open page

OpenAI file search pricing

Tool-cost brief for file search pricing across storage, tool calls, and model-token exposure.

Open page

Source category pages

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

Pricing sources

Official pricing pages used to support model, tool-cost, and calculator estimates.

Open page

Model sources

Official model pages used for context windows, output caps, and built-in tool coverage.

Open page

Deprecation and migration sources

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

Open page

Guide and API reference sources

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

Open page

Changelog sources

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

Open page