aiaimodel.cards

Grok 4.5

Language modelPrevious generationCard summarized

SpaceXAI's intelligent coding model for agentic software, engineering, and workflow tasks.

Active (superseded by Grok 4.6 and 4.7)● Re-checked 12 Oct 2026 · 18 facts · 0 corrections · 1 unconfirmedSource: Model Card: Grok 4.5 (revision 2026-07-20) (29 pp)

Use it via API

$1,074 /month
$21.48 per 1K requests
RAG over docs: 12K in · 600 out · 50K requests/mo · 30% cached · change
Code exampleCompare

Where to call it

  • xAI APIgrok-4.5

Supports

  • Image input
  • Structured outputs
  • Reasoning control
  • Tool calling
  • Web search
  • Prompt caching
Full feature support

Good for

  • Agentic software engineering on large, long-horizon tasks
  • Engineering: electrical design, procedural 3D and CAD
  • Office and knowledge-work deliverables

Watch out for

Replaced by

Grok 4.7$2.00 / $6.00

This model: $2.00 / $6.00 per 1M tokens

Compare side by side

Overview

xAI · 05Flagship, front

Grok 4.5

SpaceXAI's intelligent coding model for agentic software, engineering, and workflow tasks.

Cost
$2.00 in
Context
500K
Input / output
$2.00 / $6.00
Max output
—
Knows up to
January 2026
Released
16 Jul 2026

Grok 4.5 is the first release of a new xAI model family built with Cursor. xAI positions it for coding, engineering, design and professional workflows, and says it reaches results in about half as many steps as other frontier models while being served with high token efficiency. §1, p.3

grok-4.5
Input / output per 1M
$2.00 / $6.00
Context window
500K
Max output
—
Knows up to
January 2026
Reasoning
Configurable (low, medium, high, xhigh)
Weights
Closed

About this card. A model card is the maker's own account of a model: what it's for, how it was trained and tested, and where it falls short. This page condenses xAI (SpaceXAI)'s Model Card: Grok 4.5 (revision 2026-07-20). Every claim carries its source page.