Gemini 3 Flash Preview
Google's Gemini 3 Flash Preview is a high-speed model built for agentic workflows, multi-turn conversations, and coding tasks. It supports a wide range of input types, including text, images, audio, and video, while providing advanced reasoning and tool-calling capabilities.
Gemini 3 Flash Preview specs and pricing
- Provider: Google
- Released: December 17, 2025
- Context window: 1M tokens
- Max output: 66K tokens
- Input: text, images, files, audio, video
- Output: text
- Price: $0.50 input / $3.00 output per 1M tokens
- Reasoning: yes
- Tool calling: yes
What Gemini 3 Flash Preview is good at
- Complex agentic workflows requiring tool interaction
- Analyzing large volumes of multi-modal data like video and audio
- Multi-turn coding assistance and technical problem solving
To-dos to try with Gemini 3 Flash Preview
- Analyze this hour-long meeting video and summarize the key action items for each participant.
- Read these five technical documentation files and write a script that automates the deployment process described.
- Review this audio transcript and identify any inconsistencies in the project timeline.
FAQ
- What types of media can I provide to this model? The model accepts text, images, files, audio, and video as input.
- What is the primary purpose of Gemini 3 Flash Preview? It is designed to provide high-speed reasoning and tool-calling capabilities for agentic workflows and coding assistance.
- How much does Gemini 3 Flash Preview cost? Gemini 3 Flash Preview costs $0.50 per million input tokens and $3.00 per million output tokens through OpenRouter. In todo.is a typical agent step costs about 1.82 credits ($1 = 100 credits).
- What is the context window of Gemini 3 Flash Preview? Gemini 3 Flash Preview can read up to 1M tokens at once and write up to 66K tokens in one reply.
- Can I use Gemini 3 Flash Preview without coding? Yes. In todo.is you pick Gemini 3 Flash Preview as your agent's model and write to-dos in plain words, on the web, the Android app, WhatsApp or Telegram. No API key needed: credits are included, or you can bring your own key.
JavaScript is required to use the todo.is app.