Model Price Index
Updated 2026-07-29 · Changelog

Grok 4.5

xAI

xAI's Grok 4.5 model with tiered pricing for short- and long-context text workloads

$2.00

Input

$6.00

Output

per 1M tokens
≤199.999K input tokens

† Above 199.999K input tokens per request: $4.00 in / $12.00 out. Cache rates step at the same bracket.

Ratesper 1M tokens

Grok 4.5 pricing by input token bracket
Rate≤199.999K199.999K-500K
Standard Input$2.00$4.00
Standard Output$6.00$12.00
Cache Read$0.30$0.60

Bracket is selected by input tokens per request.

Estimate Your Monthly Cost

A request with input and output tokens, requests / month at a % cache hit rate $230.00/mo≤199.999K rate

Compare all models at this workload →

Per-request input tokens select the bracket. Excludes cache writes and batch discounts.

Specifications

API Model IDgrok-4.5
Context Window500K tokens
Modalitiestext
Capabilitiestool-use · streaming · json-mode · code · reasoning

More xAI Text / Chat Models

Grok 4.3 · Grok 4.20 Reasoning · Grok 4.20 Non-Reasoning · Grok 4.20 Multi-Agent · Grok Build