Grok 4.5
Strong at code and technical work.
Private by design
When you use Grok 4.5 in Polymeti, your browser sends the message to xAI directly, with your own API key. Nothing passes through a Polymeti server.
- We never see your conversation.
- Your API key is stored in your browser, not on our servers.
- Your chat history lives on your device. Back it up to your own Google Drive if you want it on more than one.
What it can do
-
Context window
500,000 tokens
≈ 375,000 words · about 1,500 pages
- Reads images you attach
- Uses tools
Modalities
- Text Input and output
- Image Input only
- Audio Not supported
- Video Not supported
Features
- Streaming Supported
- Function calling Supported
- Structured outputs Supported
- Fine-tuning Not supported
Ready to try it?
Polymeti is currently invite-only.
Sign inBring your own API key · Your chats stay in your browser