Grok 4.5
LegacyFrontier
Grok 4.5 is xAI's frontier model for coding, agentic tasks, and knowledge work, available through the xAI API and in Cursor as a first-party model option.
Newer version: Grok 4.6
Provider
xAI
Model family
xAI Grok
Multimodal LLM
Cost tier
Flagship
Status
Legacy
Why teams choose it
🧠
Evaluate as both an xAI API model and as a Cursor first-party coding model
billing and routing differ by surface.
📎
Strong fit for long-running coding and engineering tasks where token efficiency matters.
Tradeoffs to know
- Confirm regional availability and model ID in xAI docs before rollout.
- Cursor availability and usage pools can differ from direct xAI API billing.
Benchmarks
No independent or vendor benchmark scores in this catalog entry.
Technical specs
- Inputs
- text, image
- Outputs
- text
- License
- Proprietary API
- Capabilities
- agentic coding
- reasoning
- vision
- function calling
- structured outputs
xAI Grok family lineup
Current models
Previous versions
Related models
Grok 4.5 FAQ
What is Grok 4.5?
Grok 4.5 is xAI's frontier model for coding, agentic tasks, and knowledge work, available through the xAI API and in Cursor as a first-party model option.
When does Grok 4.5 fit best?
Agentic software engineering
What should teams watch out for with Grok 4.5?
Confirm regional availability and model ID in xAI docs before rollout.
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