SpaceXAI: Grok 4.3
by xAItext+image+file->text4 endpoints
Overview
Grok 4.3 is a reasoning model from SpaceXAI. It accepts text and image inputs with text output, and is suited for agentic workflows, instruction-following tasks, and applications requiring high factual...
Capabilities
Text generation
Image understanding
Tool use / Function calling
Structured output
Extended reasoning
Prompt caching
Long context
File input
Top-P sampling
Deterministic seed
Log probabilities
Modalities
Input
TextImageFile
Output
Text
Technical Specifications
Context Window
1M tokens
Max Output
900K tokens
Tokenizer
Grok
Uptime (24h)
9959.8%
Country
🇺🇸US
Release Date
May 6, 20264mo
Supported Parameters
include_reasoninglogprobsmax_tokensreasoningreasoning_effortresponse_formatseedstructured_outputstemperaturetool_choicetoolstop_logprobstop_p
Pricing
Per 1M tokens
Input$1.25
Output$2.50
Cache read$0.20
Added
April 30, 2026
Last synced 9/20/2026