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grok-4.5Active · Frontier

xAI · Released Jul 2026 · Proprietary

Grok 4.5 is SpaceXAI's smartest model with frontier performance on coding, knowledge work, and STEM.

Context
500K
Max output
500K
Input
$2.00
Output
$6.00
Cached in
$0.50
Latency
-

Capabilities

Core
Streaming
Function calling
JSON mode
Structured outputs
Multimodal
Vision
Image input
Audio
Image generation
Video
Advanced
Reasoning
Tool calling
MCP
Prompt caching
Batch API
Embeddings

Details

ProviderxAI
ReleasedJul 2026
LicenseProprietary
InputText
OutputText
Throughput-
Availability99.9%

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