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gpt-6-astra pricing

GPT-6 Astra is OpenAI's flagship model for demanding end-to-end work. It is suited for advanced analysis, software engineering, deep research, scientific work, and document creation, with particular strengths in… gpt-6-astra from OpenAI costs $10.00 per 1M input tokens and $50.00 per 1M output tokens. Cached input is $1.00 per 1M. Context window 1,050,000 tokens.

API id gpt-6-astra · OpenAI · source · updated 2026-09-25 · general-purpose

$10.00
Input / 1M tokens
$50.00
Output / 1M tokens
$1.00
Cached input / 1M
1.1M
Context window

Long-context pricing

Prompts over 128K tokens are billed at $20.00 per 1M input and $75.00 per 1M output — roughly 2.0× the standard input rate. Budget for this if you send large documents.

gpt-6-astra specifications

Provider
OpenAI
API id
gpt-6-astra
Model type
general-purpose
Context window
1.1M tokens
Max output
128K tokens
Currency
USD
Price source
First-party
Last checked
2026-09-25

gpt-6-astra across providers

The same model, priced by every seller we track. Ranked by the cost of 1M input + 1M output tokens, standard tier; savings measured against buying from the vendor directly.

ProviderInput /1MCached /1MOutput /1M1M in + 1M outvs vendor
OpenAIVendorCheapestviewing
$10.00$1.00$50.00$60.00—
$10.00$1.00$50.00$60.00—

What gpt-6-astra costs in practice

Estimated cost at common usage volumes
WorkloadInput tokensOutput tokensEstimated cost
Short chat turn1,000500$0.04
Document summary50,0002,000$0.60
1M tokens in, 200K out1,000,000200,000$20.00

Estimates use the standard tier and ignore caching discounts, so real bills with repeated prompt prefixes are typically lower.

Common questions

How much does gpt-6-astra cost per 1M tokens?
gpt-6-astra costs $10.00 per 1M input tokens and $50.00 per 1M output tokens on the standard tier. Cached input is $1.00 per 1M.
What is gpt-6-astra's context window?
gpt-6-astra accepts up to 1,050,000 tokens in a single request, and can return up to 128,000 output tokens.
Is there a cheaper OpenAI model than gpt-6-astra?
Yes. omni-moderation-latest is free per 1M input tokens versus $10.00 for gpt-6-astra.
Where does this gpt-6-astra price come from?
Directly from OpenAI's published pricing page, re-read every day and normalized to USD per 1,000,000 tokens.

Head-to-head comparisons

Other OpenAI models

See all OpenAI pricing →