Gemini 3.8 Flash, for research

Gemini 3.8 Flash is Google’s fast model, good with long documents and research questions. In SelGPT it sits next to GPT-6.1, Claude and Kimi.

By the SelGPT team. Updated

Gemini 3.8 Flash is a fast model from Google that handles long documents and research questions well. SelGPT includes it in Plus from $9.99 a month billed yearly, about 400 messages a month, in the same chat as GPT-6.1, Claude Opus 5.5 and Kimi K3.

What it is good at

  • Research questions that need several sources pulled together.
  • Long PDFs and reports.
  • Quick, well-organised answers.

Plans

It draws from your plan’s monthly allowance, shown as a percentage in the app. GPT-6 Luna stays unlimited on paid plans when the allowance runs out.

Questions

Can I use Gemini and ChatGPT models in one app?

Yes. SelGPT includes Gemini 3.8 Flash alongside OpenAI’s GPT-6.1 Sol and GPT-6 Luna, Claude and others.