Hi everyone, We’ve been using the Deep Research API (google-genai SDK, deep-research-pro-preview-12-2025) with an API key for partner compliance research, and we’re hitting a frustrating issue. It was working fine few days ago. On March 3, last time it worked, our compliance prompt completed in ab…

Personally, I have a deadline, so I can’t wait for a fix. I’ve switched to other providers; more expensive, but far more reliable. That said, this API is still in beta I’ll see how it goes in a few weeks or months, but I can’t afford to be a beta tester and waste more time debugging it, sorry …

For the previous two days, I was faced with a ‘403 Forbidden’ error. When Google confirmed and fixed it, I was messing around with an infinite ‘in_progress’ status. Interesting… Now I have to create some of the parts manually using the free Gemini Thinking + Deep Research instead of the paid (beta) …

@philschmid Running into the same issue on my end. Any updates?

I’m also running into this error. Any updates on status?

Same issue here. Have tried both the polling and SSE approaches — both stuck in_progress with no updates or completion (tested with multiple different requests). This was working fine a few days ago.

@philschmid Having the same problem, check also below plz. [image] Deep Research API (deep-research-pro-preview-12-2025) — jobs stay in_progress indefinitely with complex prompts Gemini API I’m using the Deep Research API (deep-research-pro-preview-12-2025) v…

This happens to me as well. Another issue is responses aren’t bringing any sources into the replies so everything is blank text with no backup

Same issue. All requests are currently failing. Anything that can be done here @Mustan_lokhand ?

I am having the same issues. Super frustrating… they are paid customers

Deep Research API - Interaction stuck "in_progress" for some domains

Gemini API

SHUN_TAGAMI March 12, 2026, 3:27am 19

@philschmid

Having the same problem, check also below plz.

Topic		Replies	Views
Deep Research API (deep-research-pro-preview-12-2025) — jobs stay in_progress indefinitely with complex prompts Gemini API prompt	6	280	July 31, 2026
Deep Research jobs are getting stuck in_progress and never finishing Gemini API deep-research	8	456	June 1, 2026
Gemini Deep Research Interactions stuck in in_progress after May 26 schema migration Gemini API deep-research	2	270	June 16, 2026
Deep Research Agent is `in_progress` for >1h (potentially indefinitively) Gemini API deep-research	3	142	May 13, 2026
Interactions api (deep research), all interactions in_progress for 12+ hours (again) Gemini API api	2	92	April 9, 2026

Deep Research API - Interaction stuck "in_progress" for some domains

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