Grok 4.5
xAI
x-ai/grok-4.5Grok 4.5 is a flagship xAI model positioned for code generation and general high-intelligence use cases, sitting between Grok 4.3 and Grok 4.6 in xAI's rapid release cadence. It is designed for demanding reasoning, coding, and agentic workloads.
Cost rate
1x
Context
500K
Released
Jul 8, 2026
Input
TextImageFile
Output
Text
Support
ReasoningTool callingStructured outputs
Best at
The categories where this model ranks highest.
Image understanding
#13 · top 9%
Document analysis
#21 · top 54%
Mathematical
#23 · top 6%
Software & IT Services
#26 · top 7%
Performance
Median latency and throughput measured across recent requests.
Throughput50 tok/s
Latency