xAI

Grok 4.3

x-ai/grok-4.3

JSON

Specification

Published by the vendor; the platform bills at the target's declared price.

Grok 4.3

reasoning tools

xAI x-ai/grok-4.3

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...

Input $/1M: $1.25
Output $/1M: $2.50
Context: 1M
Max output: 900K
Released: Apr 30, 2026
Modalities: textimagefile

Intelligence index-

Coding index42

Agentic index17

Cached input reads $0.20 per 1M

On this deployment

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Not routable here yet

Add a target with metadata.model set to this id.

targets.yamlyaml

# targets.yaml - declare a target that runs Grok 4.3
targets:
  - id: grok-4-3
    kind: llm
    name: Grok 4.3
    metadata:
      model: x-ai/grok-4.3          # links the target to this catalogue entry
    capabilities:
      domains: [general]
      supports_tools: true
      context_window: 1000000
    cost:
      usd_per_1k_tokens: 0.001875

Price among xAI models

Input list price per million tokens; Grok 4.3 is the 3rd cheapest of 8 listed.

1
Grok Build 0.1
$1.00
2
Grok 4.3 (batch)
$1.00
3
Grok 4.3
$1.25
4
Grok 4.20 Multi-Agent
$1.25
5
Grok 4.20
$1.25
6
Grok 4.6
$2.00
7
Grok 4.5
$2.00
8
Grok Latest
$2.00

More from xAI

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