Grok 4.3
grok-4.3
ProprietaryMultimodal
About
xAI's Grok 4.3 is the GA API model that supersedes the Grok 4.3 Beta identifier. It supports native video input processing, document generation workflows, tool use, structured outputs, and Grok Computer integration. xAI's current model metadata lists API ID grok-4.3 with a 1,000,000 token prompt window.
Grok 4.3 has a 1M-token context window.
Grok 4.3 input tokens at $1.25/1M, output at $2.5/1M.
Capabilities
VisionMultimodalReasoningFunction CallingTool UseStructured OutputsCode ExecutionPrompt CachingBatch APIAudioFine-tuning
Providers(2)
Compare all →| Provider | Input (per 1M) | Output (per 1M) | Type | |
|---|---|---|---|---|
| xAI Console | $1.25 | $2.50 | Serverless | |
| OpenRouter | $1.25 | $2.5 | Serverless |