GPT-6 Astra
OpenAI
- Released
- September 3, 2026
- Data date
- September 4, 2026
Category view
Position within the category
This overview uses only published data from matching cohorts. Missing values never change a rank.
This model does not yet have enough published values for an overall rank. It covers 3 of 4 required comparison cohorts.
- Coverage
- 3 / 4
Leaderboard
Individual values
Published individual values
No exactly matching published comparison cohort is available for these values. The bar shows only the documented scale, not a rank.
GPQA Diamond
Data date: September 4, 2026
Scale 0 to 100. Not ranked
Vendor-reported score published by OpenAI. Not a Gradually test.
Editorial selection from the vendor table, not a complete extract of the comparison cohort.
Terminal-Bench 4.0
Data date: September 4, 2026
Scale 0 to 100. Not ranked
Vendor-reported score published by OpenAI. Not a Gradually test.
Editorial selection from the vendor table, not a complete extract of the comparison cohort.
OSWorld 2.0
Data date: September 4, 2026
Scale 0 to 100. Not ranked
Vendor-reported score published by OpenAI. Not a Gradually test.
Editorial selection from the vendor table, not a complete extract of the comparison cohort.
Profile
Specifications and access
Published information about this model. Unknown values are not estimated.
- Model type
- ProprietarySource
- Context window
- 1,050,000 tokensSource
- Knowledge cutoff
- April 30, 2026Source
- Notes
- New OpenAI flagship with a 1.05 million token context window, 128,000 maximum output tokens, and an April 30, 2026 knowledge cutoff. Access has been rolling out in phases since September 3, 2026. OpenAI has not announced smaller GPT-6 variants.Source
Pricing
Published prices
Prices remain tied to their documented unit and source.
- API input
- $10 per 1M tokensSource
- API input
- $20 per 1M tokens (above 272,000 context tokens)Source
- API output
- $50 per 1M tokensSource
- API output
- $75 per 1M tokens (above 272,000 context tokens)Source
- Cache write
- $12.5 per 1M tokensSource
- Cache write
- $25 per 1M tokens (above 272,000 context tokens)Source
- Cache read
- $1 per 1M tokensSource
- Cache read
- $2 per 1M tokens (above 272,000 context tokens)Source
Head-to-head comparisons
Compare this model
Each matchup compares this model with exactly one other model from the same category.
More models
Models from the same selection
All AI models
Evidence
Primary sources and data date
Every statement links to its underlying documentation or leaderboard.