Grok 4.5
by xAI
Pricing · per 1M tokens
Input
$2.00
per million tokens
Output
$6.00
per million tokens
| Blended avg cost* | $4.00/Mtok |
|---|
Overview
xAI's smartest model — an Opus-class frontier model built for coding, agentic tasks, and knowledge work, trained on the 1.5T V9 foundation with Cursor data. ~2x token efficiency vs comparable leaders, 500K context, configurable reasoning effort. $2/$6 per 1M tokens.
Capabilities
Input 2/5
Text ✓
Image ✓
Audio
Video
PDF
Output 1/5
Text ✓
Image
Audio
Video
Embedding
Features 2/9
Prompt caching
Reasoning
Coding
Fast inference
Long context ✓
Open weights
Multimodal ✓
Web search
Realtime
Specifications
| Provider | xAI |
|---|---|
| Context window | 500K tokens |
| Modality | text, image |
| Parameters | Proprietary |
| Open source | No — proprietary |
| Released | Jul 8, 2026 |
| Status | Current |
| Last updated | Jul 8, 2026 |
| Tags | flagship multimodal |
Cost calculator
At a glance
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Price history
Last updated: Jul 8, 2026 · price links to the official provider pricing page (source above)
No price changes detected — this model's pricing has been stable since we began tracking it.