SpaceXAI: Grok 4.5
x-ai/grok-4.5
PaidTool callingVision inputReasoning
Price Published
- Input
- $2.00 per million tokens
- Output
- $6.00 per million tokens
Optional features and fallback routes can cost extra. Confirm current terms with the provider.
Specifications Published
- Context window
- 500,000 tokens
- Max output
- 450,000 tokens
- Tool calling
- Supported
- Vision input
- Supported
- Reasoning
- Supported
- Knowledge cutoff
- Not reported
- Listed since
- Jul 8, 2026
Measured by the Club Signed cheapoS reports
Not yet observed No signed request reports for this exact route yet. Missing reports aren't a failure or a zero.
How we measure · Reports come from cheapoS members who share model details.
Benchmarks Artificial Analysis via OpenRouter
- Intelligence index
- 38.8
- Coding index
- 72.4
- Agentic index
- 41.2
Scores from Artificial Analysis, as distributed in the OpenRouter catalog. They measure test suites, not request reliability on real work.
Try it
- Get an OpenRouter API key. Create one here. Other free tiers are compared on Providers.
- Add it to cheapoS. Open Models → Open OmniRoute, add OpenRouter with your key, then refresh models. Get cheapoS
- Pick this model. Use the ID
x-ai/grok-4.5as a worker or reviewer, and start with a small task you can check.
About this model OpenRouter description
Grok 4.5 is a model from SpaceXAI with frontier performance on coding, knowledge work, and STEM.
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Catalog data from the OpenRouter model catalog, retrieved Sep 29, 2026, 12:37 PM UTC. A listing isn't a live availability check.