available

GPT-6 Astra (Fast)

openai/gpt-6-astra-fast

Prices

Input: $20.00 per 1M tokens
low
Input (>272.001k ctx): $40.00 per 1M tokens
low
Input (cache write, >272.001k ctx): $50.00 per 1M tokens
low
Input (cache write): $25.00 per 1M tokens
low
Input (cached read, >272.001k ctx): $4.00 per 1M tokens
low
Input (cached read): $2.00 per 1M tokens
low
Output: $100.00 per 1M tokens
low
Output (>272.001k ctx): $150.00 per 1M tokens
low

Specifications

Provider: openai
Context window: 1,050,000
Max output tokens: 128,000
Open weights: no
Released: 09/04/2026
Retires: no date announced
First seen by this tracker: 09/14/2026

Price history

Input (cache write, >272.001k ctx) — per 1M tokens

Recorded changes for Input (cache write, >272.001k ctx)
From	Amount
09/14/2026	25
09/22/2026	50

No changes recorded

Input: 20 per 1M tokens, unchanged since 09/14/2026
Output: 100 per 1M tokens, unchanged since 09/14/2026
Input (cached read): 2 per 1M tokens, unchanged since 09/14/2026
Input (cache write): 25 per 1M tokens, unchanged since 09/14/2026
Input (>272.001k ctx): 40 per 1M tokens, unchanged since 09/14/2026
Output (>272.001k ctx): 150 per 1M tokens, unchanged since 09/14/2026
Input (cached read, >272.001k ctx): 4 per 1M tokens, unchanged since 09/14/2026

Last updated 10/04/2026, 02:10