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.
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.
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.
When not to use this
- Not ideal for simple tasks where cheaper models in the same lineup are good enough.
- Avoid for latency-sensitive real-time chat when raw response speed outweighs reasoning depth.
- Confirm limits, pricing, and regional availability on the provider side before committing production workloads.
Technical specs
- Inputs
- text, image
- Outputs
- text
- Capabilities
- agentic coding, reasoning, vision, function calling, structured outputs
- License
- Proprietary API
- Model string
grok-4-5
Benchmarks
No benchmark data yet.
xAI Grok family lineup
Current models
Previous versions
Compare with
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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