All models
- Model ID
- grok-4.5
- Context
- 500K
- Provider
- xAI
- Input · USD / 1M tokens
- $3.2 USD
- Official price $4 USD
- Output · USD / 1M tokens
- $9.6 USD
- Official price $12 USD
- Savings
- 20%
- Last verified
- 2026-07-22
01
Where it fits
Choose it for demanding OpenAI-compatible coding-agent workflows that need xAI's latest frontier model.
02
Model capabilities
Vision
Accepts visual input alongside text for multimodal coding and analysis tasks.
Tool use
Can select and call tools in agent workflows that support structured tool use.
03
OpenAI-compatible API
Keep your client and change the base URL, API key, and model ID.
curl
curl https://api.omniakey.com/v1/chat/completions \
-H "Authorization: Bearer $OMNIAKEY_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "grok-4.5",
"messages": [{"role": "user", "content": "Explain this codebase"}],
"stream": true
}'04
Compatible coding tools
Codex
Cursor
Cline
Aider
Frequently asked questions
How much does Grok 4.5 cost on OmniaKey?
OmniaKey charges $3.2 USD per 1M input tokens and $9.6 USD per 1M output tokens, in USD. Official prices are $4 USD and $12 USD; you save 20%.
What is the context window for Grok 4.5?
The listed context window is 500K. Actual usable limits can also depend on the client and upstream request format.
Which coding tools work with Grok 4.5?
The current catalog lists compatibility with Codex, Cursor, Cline, Aider. Use the model ID shown on this page when the client supports model selection.