Model Price Index
Updated 2026-09-15 · Changelog

GPT-6 Astra

OpenAI

OpenAI's first GPT-6-class flagship for frontier reasoning, coding, and long-context agentic work, with tiered pricing above 272K input tokens

$10.00

Input

$50.00

Output

per 1M tokens
272K input tokens

Above 272K input tokens per request: $20.00 in / $75.00 out. Cache and batch rates step at the same bracket.

Ratesper 1M tokens

GPT-6 Astra pricing by input token bracket
Rate≤272K>272K
Standard Input$10.00$20.00
Standard Output$50.00$75.00
Cache Read$1.00$2.00
Cache Write$12.50$25.00
Batch Input$5.00$10.00
Batch Output$25.00$37.50

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 $1,650/mo≤272K rate

Compare all models at this workload →

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

Specifications

API Model IDgpt-6-astra
Context Window1.05M tokens
Modalitiestext · image
Capabilitiestool-use · streaming · json-mode · vision · code · extended-thinking

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