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NerdLevelTech

OpenAI

GPT-6 Astra

OpenAI’s most capable model for demanding work

ProprietaryReleased: September 3, 2026General useVerified: October 24, 2026

What it is

OpenAI’s flagship: a 1,050,000-token window (922K max input + 128K max output), text and image input, and reasoning effort from low to max. Prompts above 272K input tokens are billed at 2× input.

NLT take

OpenAI’s answer to Opus, at two and a half times the price. Pick it when you are already on OpenAI’s Responses API, need computer use, or your own evals show Astra ahead on your work.

Before you switch

The long-context tier is brutal: crossing 272K input tokens reprices the whole request at $20/$75.

Cost for a real task

The same task on every model: 50,000 input tokens and 10,000 output tokens, at the base tier.

Task cost

$1.00

50K input + 10K output tokens

Input, per 1M
$10.00
Output, per 1M
$50.00
Cached input, per 1M
$1.00

Prompts above 272K input tokens: 2× input and cache, 1.5× output for the whole request.

Pricing source: OpenAI pricing

Specs

Maker
OpenAI
Licence
Proprietary
Released
September 3, 2026
Context window
1,050,000 tokens (922,000 input + 128,000 output)
Max output
128,000 tokens
Max input
922,000 tokens
Knowledge cutoff
Input / output
Text · Image → Text

Watch it in action

Hands-on videos from creators we trust. They open on YouTube; we do not host or re-upload them.

From our coverage

Articles about this model or its family. A “Background” tag means we have not covered this exact release yet.

Sources & model links

Every number on this card traces back to one of these links. The maker page proves the positioning, the pricing page proves the rates, the Hugging Face repo proves the weights exist, and the Ollama page proves a local tag.

Official