INTRODUCING GPT-6 ASTRA BY OPENAI

GPT-6 Astra: The Model Behind the HeyOz Agent

Every model on HeyOz makes something. One model decides what to make. The HeyOz agent runs on GPT-6 Astra, OpenAI's most capable and most aligned model, released September 2026 and state of the art on computer use, browsing, and professional work. You hand it a brief. It plans the campaign, picks the right generation model for each asset, and produces the work.

What the Agent Is Building With Astra

Full campaigns from one brief. Concepts, scripts, images, video, and the variant set underneath them, planned and produced end to end rather than prompted one asset at a time.

GPT-6 Astra: The Model Behind the HeyOz Agent AI generation

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How to Work With the HeyOz Agent

Delegate the campaign, not the clicks.

STEP 1

GIVE IT THE BRIEF, NOT THE STEPS

Describe the outcome you want. The product, the audience, the channel, how many variants, what the offer is. Attach your brand guidelines, product photography, and anything that has performed before. You are briefing a team, not filling in a form, so context is more useful than instructions.

STEP 2

ANSWER THE QUESTIONS IT ASKS

The agent will come back with a small number of real questions, the ones where your answer changes the work. Everything else it resolves from what you gave it. Answer those, and it plans the campaign, chooses the right generation model per asset, and starts producing.

STEP 3

REVIEW, STEER, SHIP

Watch the work land and redirect it mid-task if it is heading the wrong way. Change the hook, drop a variant, tighten the script. It absorbs the note and carries on with the rest of the brief intact. Nothing leaves your account until you approve it.

Key Features of GPT-6 Astra

The reason our agent can be trusted with multi-step work. Astra was built for exactly this: long tasks, real tools, and judgment about when to ask.

AGENTIC EXECUTION

State of the Art on Computer and Browser Use

Astra leads on the benchmarks that measure whether a model can actually finish work rather than describe it. It scores 59.3% on Agents' Last Exam, which tests complex professional tasks in real software, and 41.4% on AutomationBench against 18.1% for the previous generation. It is also faster: on OSWorld it hits higher accuracy in roughly 47% less time per task.

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State of the Art on Computer and Browser Use

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STAYS ORIENTED

It Does Not Lose the Thread Halfway

Anyone who has used an AI agent knows the failure: you send one correction and it forgets the original job. Earlier models treated a steering message as a brand new goal. Astra folds the new requirement into the work already in progress, changes course when you ask, and answers a side question without dropping the brief or the constraints you set twenty minutes ago.

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JUDGMENT

Asks When It Matters, Decides When It Does Not

Briefs are never complete. Astra fills routine gaps from context instead of stopping to ask, and raises a focused question only when the answer would genuinely change the outcome. On consequential decisions it waits for you. On everything else it proceeds with sensible assumptions and keeps working, which is the difference between an agent and a very polite queue of questions.

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ALIGNED BY DEFAULT

It Stays Inside the Boundaries You Set

This is the part that matters when software acts on your behalf. On OpenAI's test of whether a model exceeds its authorised scope on a difficult task, the previous generation did so 48% of the time. Astra did it in 0% of cases. On their internal computer-use safety benchmark it misbehaves at 2.4% against 22.0%, it never attempted to work around a review gate, and it is three times less likely to overstate what it can actually do.

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Built for Every Part of the Workflow

One agent across the whole job, not one prompt per asset.

Concepting and Scripting

The agent researches your product and your market, then proposes angles with reasoning attached rather than a list of generic hooks. Approve a direction and it writes the scripts, the on-screen copy, and the shot lists, all consistent with the positioning you signed off on.

Model Selection and Generation

Knowing which model to use is most of the skill. The agent knows what is on the shelf: which model holds a character across cuts, which one generates audio in the same pass, which one edits a frame without redrawing it, which one is cheap enough for volume. It routes each asset to the right one instead of forcing everything through your favourite.

Variants and Localisation

One approved creative becomes the twenty you need. Different hooks, different SKUs, different aspect ratios, different languages. The agent tracks what changed in each version and what stayed fixed, so your test reads cleanly instead of comparing twenty things that each differ in five ways.

Docs, Decks, and Handoff

Astra is OpenAI's strongest model for following an existing template, and it produces documents, spreadsheets, and slides that match your formatting and your writing style. So the campaign arrives with the asset log, the variant matrix, and the deck for whoever has to approve the spend, in your format rather than a generic one.

FAQs

What is GPT-6 Astra?

GPT-6 Astra is OpenAI's frontier model, released on 3 September 2026 and described by them as the world's most intelligent and aligned model. It is state of the art on computer use, browsing, software engineering, science, and professional work, and it carries a one-million-token context window. On HeyOz it is not a model you generate images or video with, it is the model that runs the agent.

Why did we build the agent on Astra?

Because an agent is only as good as its judgment over a long task. Astra leads the benchmarks for finishing real work in real software, stays oriented when a brief changes mid-flight, and is measurably the most aligned model OpenAI has shipped. It is also efficient: Higgsfield reported it executing their most complex creative workflows with up to 20% fewer tokens than other frontier models they tested.

Does the agent act without asking me?

It acts on the routine calls and asks about the consequential ones, which is what makes the delegation worth anything. Astra is specifically trained to respect the boundaries of the task it was given, and it is the first model in OpenAI's testing that never exceeded its authorised scope on their scope-creep evaluation. Nothing publishes or spends without your approval.

Does it remember my brand context?

Yes, and at the scale brand context actually needs. Astra holds a million tokens of context and retrieves accurately deep into it, scoring 96.3% on OpenAI's long-context retrieval test in the 512K to 1M range. That means your guidelines, your past performers, your product catalogue, and the whole thread of a campaign stay live in the work rather than being summarised away.

GPT-6 Astra: The Model Behind the HeyOz Agent

What the Agent Is Building With Astra

How to Work With the HeyOz Agent

GIVE IT THE BRIEF, NOT THE STEPS

ANSWER THE QUESTIONS IT ASKS

REVIEW, STEER, SHIP

Key Features of GPT-6 Astra

State of the Art on Computer and Browser Use

It Does Not Lose the Thread Halfway

Asks When It Matters, Decides When It Does Not

It Stays Inside the Boundaries You Set

Built for Every Part of the Workflow

Concepting and Scripting

Model Selection and Generation

Variants and Localisation

Docs, Decks, and Handoff

FAQs

Every leading model, on HeyOz

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