Grok 4.5
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xAI's flagship model, released July 2026 and positioned for coding, agentic tasks, and knowledge work with configurable reasoning effort. xAI claims roughly 2x token efficiency versus comparable frontier models; EU availability lagged the launch.
At a glance
- Context window
- 500K tokens
- Knowledge cutoff
- Feb 2026
- Modalities
- Text Text Image Image → Text Text
Capabilities
Function calling
Connect to external tools, APIs, and systems.
Structured output
Return responses in structured formats like JSON.
Web search
Search the web for up-to-date information.
Code execution
Write and execute code in a sandboxed environment.
Pricing by provider
| Provider | Input / 1M tokens | Output / 1M tokens | |
|---|---|---|---|
|
xAI
|
$2.00 | $6.00 |
Heads up: We do our best to keep these specs & prices accurate. However, cloud costs may fluctuate based on region, usage, and other factors not listed here. These are estimates based on common setups and are for informational purposes only. Always verify current rates & exact specs with the provider before provisioning.
Compare with other models
Estimated prices shown. Actual costs may vary based on context length, batch size, caching, and provider-specific pricing tiers.