SpaceXAI: Grok 4.3 (batch)

Grok 4.3 is a reasoning model from SpaceXAI.

Context
1M
Max output
900K
Input price
$1/1M tokens
Output price
$2/1M tokens

Capabilities

Reasoning & Interaction
Reasoning
Tool Calling
Output Control
Structured Output
JSON Mode

Details

Model IDx-ai/grok-4.3:batch
Provider OpenRouter
Creator xAI
Familygrok-4.3
License—
Status—
Typechat
Input modalitiestext, image
Output modalitiestext
Open weight—
Parameters—
Architecture—
Context window1M tokens
Max input—
Max output900K tokens
Reasoning tokens—
Knowledge cutoff—
Release date
Sourceofficial

Tools

Function Callingfunction_calling
Call external functions and APIs

Pricing

Input
$1
Output
$2
Cache write
—
Cache read
$0.16
Batch in
—
Batch out
—

Family Comparison: grok-4.3

ModelContextMax outPricing
SpaceXAI: Grok 4.3 (batch)1M900K$1$2
SpaceXAI: Grok 4.31M900K$1.25$2.5

API

GET/v1/models/openrouter/x-ai/grok-4.3:batch