LLM Perks

Gemini 3 Flash

Free right now Mid-size
VisionReasoningCodingTool useLong context

Gemini 3 Flash is a language model from Google. It is currently free at 1 provider with up to 1M tokens of context. The model understands images, supports step-by-step reasoning, is suited to coding, supports tool calling.

Developer
Google
Context
1M tokens
Type
Text
License
Proprietary
Free since
October 6, 2026

Where to use Gemini 3 Flash for free

Each row is a separate free endpoint with its own limits.

ProviderContextLimitCard
UnoRouter
gemini-3-flash:free
1M No-card free models use shared capacity and per-model limits; availability can change. No Open

Quick start

curl https://api.unorouter.com/v1/chat/completions \
  -H "Authorization: Bearer $UNOROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gemini-3-flash:free",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Example for UnoRouter. Any OpenAI-compatible client works: Cursor, Cline, OpenCode, Open WebUI.

Benchmarks

This model is not on the Artificial Analysis leaderboard yet. We do not publish our own estimates.

Similar free models

FAQ

Is Gemini 3 Flash free?

Yes. As of October 24, 2026, Gemini 3 Flash is free at UnoRouter. Each provider has its own limits — see the table above.

What is the context window of Gemini 3 Flash?

The largest context among free routes is 1,000,000 tokens. Some providers cap it lower.

How do I call Gemini 3 Flash via API?

Use any OpenAI-compatible client with base URL https://api.unorouter.com/v1, model ID gemini-3-flash:free, and a UnoRouter key.

Is Gemini 3 Flash open-weight?

No, it is proprietary: access is only through provider APIs.