xAI

Grok 4.5

x-ai/grok-4.5

JSON

Specification

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

Grok 4.5

reasoning tools

xAI x-ai/grok-4.5

Grok 4.5 is a model from SpaceXAI with frontier performance on coding, knowledge work, and STEM.

Input $/1M: $2.00
Output $/1M: $6.00
Context: 500K
Max output: 450K
Released: Jul 8, 2026
Modalities: textimagefile

Intelligence index46

Coding index72

Agentic index42

Cached input reads $0.30 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 4.5
targets:
  - id: grok-4-5
    kind: llm
    name: Grok 4.5
    metadata:
      model: x-ai/grok-4.5          # links the target to this catalogue entry
    capabilities:
      domains: [general]
      supports_tools: true
      context_window: 500000
    cost:
      usd_per_1k_tokens: 0.004000

Price among xAI models

Input list price per million tokens; Grok 4.5 is the 6th 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 4.5
$2.00
7
Grok 4.6
$2.00
8
Grok Latest
$2.00

More from xAI

Other models by the same vendor in the catalogue.