Chat with Gemini, free in your browser
Google's Gemini. Fast, broad general knowledge, and solid reasoning.
Updated June 2026
Choose a model
Gemini is Google's model family. It's quick and knows a lot, which makes it handy for general questions, research, and day-to-day coding. Chat with it on OneCompiler in the browser, with streaming answers and highlighted code.
The Flash models are the fast ones, good for quick back-and-forth. Gemini Pro is the one to reach for when a question needs more thought.
Like every model here, Gemini replies in Markdown with code blocks you can copy straight into your editor. Switching models takes one click, so it's easy to compare answers.
Learn more about Gemini on the official site
Best for
- Quick questions and research
- General knowledge
- Fast, low-latency chat (Flash)
- Harder reasoning (Gemini Pro)
Gemini models on OneCompiler
| Model | Good for | Plan |
|---|---|---|
| Gemini 2.5 Flash Lite | Fast and free, good for quick questions. | Free |
| Gemma 3 12B | A small open model. Light and free. | Free |
| Gemini 3.1 Pro | The strongest, for harder reasoning. | Paid |
What you can do with Gemini
- Look up and explain a concept
- Summarize an article or your notes
- Generate a quick script or snippet
- Draft text, then refine it
- Weigh a few options to make a decision
- Translate between languages
How it works
- 1. Pick a Gemini model above and choose Start chatting.
- 2. Ask your question — answers stream in with syntax-highlighted code.
- 3. Copy any code block, or paste it into the OneCompiler editor to run it in the browser.
How Gemini compares
Gemini leans fast and broad, which makes it handy for quick questions and research. GPT is the more all-round writer and coder, and Claude is usually the pick for heavier coding and long context. For snappy, general-knowledge answers, Gemini's Flash models are hard to beat.
Frequently asked questions
Is Gemini free?
Yes, Gemini Flash Lite and Gemma are free. Gemini Pro is premium and may need a paid plan.
What's the difference between the variants?
Flash Lite is built for speed, Gemma is a small open model, and Pro handles the heavier reasoning.
Can Gemini write and run code?
Yes. It writes code in copyable blocks; paste them into the OneCompiler editor to run them in the browser.
Is Gemini good for research?
It's quick and has broad general knowledge, which makes it handy for looking things up and summarizing what you find.
Do I need a Google account or API key?
No Google account and no API key. You sign in to OneCompiler to start chatting and to keep your history.
Is my conversation private?
Yes. Chats are private to your account by default and only shared if you choose to share one.