GPT-6 Astra
AvailableSource-backed identifier on the OpenAI API. Unverified details are marked below.
Access details: OpenAI API
Versioned identifier · Identity and lifecycle apply to this exact identifier and serving surface.
gpt-6-astraCapabilities & limits
- Context window
- 1.05M
- Maximum output
- 128K
- Image input
- Supported
- Tool calling
- Supported
- Structured output
- Supported
Documented interfaces and limits. These are not measures of model quality.
Pricing
USD / 1M tokens- Input
- $10.00Derived from the captured rate card's standard token row.
- Output
- $50.00Derived from the captured rate card's standard token row.
USD per million standard text tokens. Detailed cache, batch and other pricing conditions appear in the rate card.
Full rate card 8 rates
Amounts in USD. Check the unit and conditions on each rate.
Standard input
$10.00 per 1M tokens- standard processing
- excludes cached input
- excludes Batch API
- excludes tool fees
Standard output
$50.00 per 1M tokens- standard processing
- excludes Batch API
- excludes tool fees
Cached input
$1.00 per 1M tokens- prompt caching
Cache writes
$12.50 per 1M tokens- 1.25x uncached input rate
Long-context input
$20.00 per 1M tokens- request has more than 272K input tokens
- rate applies to the full request
Long-context output
$75.00 per 1M tokens- request has more than 272K input tokens
- rate applies to the full request
Long-context cached input
$2.00 per 1M tokens- request has more than 272K input tokens
- rate applies to the full request
Long-context cache writes
$25.00 per 1M tokens- request has more than 272K input tokens
- rate applies to the full request
Prompts over 272K input tokens: 2x input/cache and 1.5x output; Batch and Flex: 50% of Standard; Fast mode: 2x applicable rates
Price history
Input $10.00 per million tokens
Derived from the captured rate card's standard token row.
Output $50.00 per million tokens
Derived from the captured rate card's standard token row.
Technical details
- Training / knowledge cutoff
- Apr 30, 2026
- Input modalities
- text, image
- Output modalities
- text
3 details not verified
- Parameters
- Active parameters
- Architecture
Audio and video are not supported. The model page documents reasoning support.
From OpenAI
Official announcement link: not verified yet.
How they describe it
Our most capable model, built for the hardest end-to-end work
What they say is different
Provider quote not captured yet.
Verbatim provider claims · not an independent assessment
Release & lifecycle
Availability applies to this exact identifier on OpenAI API.
- First API availability
- Not verified
- available
- Observed Sep 13, 2026