Grok 4.5

proprietary
Context
500K
Input price
$2/1M tokens
Output price
$6/1M tokens

Capabilities

Reasoning & Interaction
Reasoning
Tool Calling
Output Control
Structured Output
JSON Mode
Infrastructure
Streaming
Batch Processing

Details

Model IDxai/grok-4.5
Provider Perplexity
Creator xAI
Familygrok-4.5
Licenseproprietary
Status—
Typechat
Input modalitiestext
Output modalitiestext
Open weightNo
Parameters—
Architecture—
Context window500K tokens
Max input—
Max output—
Reasoning tokens—
Knowledge cutoff
Release date—
Sourceofficial

Pricing

Input
$2
Output
$6
Cache write
—
Cache read
$0.3
Batch in
—
Batch out
—

Input: 2.00 (\<200k) 4.00 (≥200k); Output: 6.00 (\<200k) 12.00 (≥200k) per 1M tokens.

API

GET/v1/models/perplexity/xai/grok-4.5

Grok 4.5

xai/grok-4.5
Changes · 4 entries
xai/grok-4.5createca7a400Nov 2, 2026, 03:02 AM
xai/grok-4.5updateb2f45bfOct 29, 2026, 03:29 AM
namexai/grok-4.5→Grok 4.5
pricing_notes["Input ranges $2 to $4, output ranges $6 to $12 per 1M t...→["Input: 2.00 (\\<200k) 4.00 (≥200k); Output: 6.00 (\\<20...
xai/grok-4.5updatec67ed84Jul 31, 2026, 10:28 AM
pricinginput$2output$6cached input$0.3
pricing_notes["Input ranges $2 to $4, output ranges $6 to $12 per 1M t...
xai/grok-4.5create105275dJul 10, 2026, 12:00 AM