Step 3. 7 Flash shipped on May 29, 2026 as a structural upgrade to 3. 5 Flash: same OpenAI-compatible SDK, new vision encoder, new runtime escalation, and a compute-control flag you can set per request.
Source: [Dev.to](https://dev.to/creeta/step-37-flash-is-a-drop-in-except-for-one-endpoint-detail-bcf)