Product
GPT-6 Astra: fiche technique, prix API et données
Updated
OpenAIAI Models & LLMs
- Context window
- 1.05M tokens
- Maximum output
- 128k tokens
- Input cost per 1M tokens
- $10.00
- Output cost per 1M tokens
- $50.00
- Knowledge cutoff
- April 2026
Data sheet · GPT-6 Astra
Every figure is quoted from the vendor's official page, with the date we read it. If a row is missing, the source does not state it and we do not estimate it.
Memory and answer length
- Context window
- 1.05M tokensRank 1 of 21
What it means and the source
How much text the model keeps in view in a single request, question and answer included. It matters for long documents and whole code projects. A token is a fragment of a word.
developers.openai.comOpens the source in a new tab Oct 23, 2026- Maximum output
- 128k tokensRank 3 of 16
What it means and the source
The longest answer it can write in one go: useful for reports, long code or translations of whole documents.
developers.openai.comOpens the source in a new tab Oct 23, 2026
API prices
- Input cost per 1M tokens
- $10.00Rank 20 of 21
What it means and the source
What it costs to have the model read a million tokens (your question, the documents, the code). It is the official list price, before discounts.
developers.openai.comOpens the source in a new tab Oct 23, 2026- Cached input cost per 1M tokens
- $1.00Rank 20 of 20
What it means and the source
The reduced price when part of the request is identical to one sent recently, for example the same instructions or the same document: the vendor keeps it in memory and charges less for it.
developers.openai.comOpens the source in a new tab Oct 23, 2026- Output cost per 1M tokens
- $50.00Rank 20 of 21
What it means and the source
What a million tokens written by the model cost. It usually costs more than the input and is the figure to watch when answers are long.
developers.openai.comOpens the source in a new tab Oct 23, 2026
Knowledge and abilities
- Knowledge cutoff
- April 2026Rank 6 of 9
What it means and the source
The month up to which the model's knowledge reaches. For more recent facts it needs web search or your documents.
developers.openai.comOpens the source in a new tab Oct 23, 2026- Reads images
- Yes13 models out of 23
What it means and the source
The model can take images (photos, screenshots, charts) as well as text.
developers.openai.comOpens the source in a new tab Oct 23, 2026- Calls tools and functions
- Yes12 models out of 23
What it means and the source
The model can call functions and tools (search, calculations, other applications) to take actions and not only write text: it matters for assistants and agents.
developers.openai.comOpens the source in a new tab Oct 23, 2026
Where it stands · GPT-6 Astra
The same verified figures, next to those of the other catalogue models. Tap a model for the head-to-head.
Questions and answers
GPT-6 Astra: how much does it cost through the API?
The official list price is $10.00 per 1M input tokens and $50.00 per 1M output tokens.
GPT-6 Astra: how much text can it read at once?
The context window is 1.05M tokens. It can write answers of up to 128k tokens.
GPT-6 Astra: how recent is its knowledge?
Its knowledge reaches April 2026. For more recent facts it needs web search or your documents.
L’essentiel
Sur OpenAI GPT-6 Astra, la donnée qui compte vraiment est Fenêtre de contexte : 1.05M. Je l’ai relevé chez OpenAI – Models. Parmi les 21 que j’ai vérifiés, aucun ne fait mieux. L’autre chiffre à regarder est Coût par million de jetons en sortie : 50.
Les chiffres de OpenAI GPT-6 Astra
Je les ai classés par importance, avec la valeur et la position face aux autres que j’ai vérifiés.
Fenêtre de contexte : 1.05M. C’est la meilleure valeur parmi les 21 que j’ai comparés.
Coût par million de jetons en sortie : 50. Position 20 sur les 21 que j’ai comparés.
Coût par million de jetons en entrée : 10. Position 20 sur les 21 que j’ai comparés.
Appelle des outils et des fonctions : 1. C’est la meilleure valeur parmi les 12 que j’ai comparés.
Connaissances à jour jusqu’à : Apr 30, 2026. Position 6 sur les 9 que j’ai comparés.
Coût d’entrée en cache par 1M de tokens (USD) : 1. C’est la meilleure valeur parmi les 20 que j’ai comparés.
À qui il s’adresse
Choisis-le si Fenêtre de contexte est ta priorité : 1.05M, et aucun de ceux que j’ai vérifiés ne fait mieux.
Il te convient si tu cherches Appelle des outils et des fonctions : 1.
Regarde ailleurs si ce qui compte pour toi est Coût par million de jetons en sortie : ici c’est 50, et 19 produits font mieux.
Pour aller plus loin
Sources
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Reviews and tests
OpenAI GPT-6 Astra
Reviews and tests · OpenAI GPT-6 Astra
Reviews are not available yet.
What changed
- Page updated

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