6 image models · capabilities and pricing in one placeSee pricing →
OpenGptApi
切换到中文Create an API key

OGA BLOG

Product updates, API practice andreliable delivery notes

Content is managed as repository Markdown, reviewed in Git and published through a static build. There is no CMS or unreviewed instant-publish path.

Subscribe via RSSGit-managed content

Choosing 1K, 2K and 4K in an image API: ratios, request tiers and real pixels

Separate resolution tiers, aspect ratios, API request values and actual output pixels, then choose the right parameters for previews, delivery assets and high-resolution finals.

Developer guidesImage APIsImage resolutionAspect ratio
Read article

Nano Banana 2, Lite and Pro: official names and API IDs

Map Nano Banana 2, Nano Banana 2 Lite and Nano Banana Pro to their official Google names, current stable API IDs, historical Preview IDs and capability boundaries.

Model guidesNano BananaGemini APIImage APIs
Read article

Welcome to OpenGptApi: start with a clear API contract

Why OGA begins with model discovery, async tasks, route boundaries and queryable settlement for multi-channel AI image APIs.

ProductOpenGptApiAPIProduct updates
Read article