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  1. Home
  2. Models
  3. GPT-6 Astra
Updated Sep 4, 2026
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Openings

How GPT-6 Astra starts an answer

The first lines of 5 of its 24 written answers. Formatting stripped, words untouched.

Advanced Longevity Plan (Biohacker)

Develop a comprehensive, cutting-edge 3-month longevity plan for a biohacker aiming to optimize longevity, physical and cognitive…

2,730 words
A 12-week longevity and performance plan The most effective “advanced” longevity strategy is not the largest supplement stack. It is a well-controlled program that improves cardiovascular fitness, strength, metabolic health, sleep, and sustainable behavior—while using measurements to avoid overtraining, underfueling…
Read the full answer

Debug This Architecture

Here's the architecture for a real-time collaborative document editor (like Google Docs): **System Overview:** - Frontend: React SPA with…

2,505 words
This design can support a collaborative-editor prototype, but its current consistency model will lose edits, its cross-server propagation will produce inconsistent views, and its persistence and caching choices create durability and security risks.
Read the full answer

Adversarial Contract Review

Here is a contract for a software consulting engagement: --- SOFTWARE CONSULTING AGREEMENT This Agreement is entered into between TechCorp…

2,089 words
This agreement is heavily weighted against the Contractor: every numbered clause presents a material risk, and several important protections are missing. This is a general issue-spotting review, not jurisdiction-specific legal advice.
Read the full answer

Historical Counterfactual Analysis

If the transistor had been invented in 1920 instead of 1947, trace the likely technological, economic, and geopolitical implications through…

1,967 words
A transistor invented in 1920 would probably bring the electronics age forward—but not uniformly by 27 years. The first gains would be smaller, more reliable radios and control systems. Computers, integrated circuits, and space systems would follow only when other prerequisites caught up.
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Ethical Dilemma with Stakeholders

You're the CEO of a pharmaceutical company. Your best-selling drug ($2B annual revenue, used by 4 million patients for chronic pain) has…

1,864 words
I would act on the safety signal now—not wait six months, and not let the expected stock-price decline determine whether patients and clinicians learn about it. That does not mean declaring causation proven or automatically withdrawing the drug.
Read the full answer

Compare GPT-6 Astra

GPT-6 Astra vs GPT-6 Astra Pro6 shared prompts · Landed Sep 2026
GPT-6 Astra vs GPT-5.6 Sol54 shared prompts · Landed Jul 2026
GPT-6 Astra vs Claude Opus 4.653 shared prompts
GPT-6 Astra vs GPT-5.6 Luna54 shared prompts · Landed Jul 2026
GPT-6 Astra vs Hy4 Preview54 shared prompts · Landed Sep 2026
GPT-6 Astra vs Ox Alpha54 shared prompts · Landed Aug 2026
GPT-6 Astra vs Qwen3.8 2.4T A95B54 shared prompts · Landed Aug 2026
GPT-6 Astra vs DeepSeek V4 Pro 081354 shared prompts · Landed Aug 2026
GPT-6 Astra vs Qwen3.8 Max21 shared prompts · Landed Aug 2026
GPT-6 Astra vs Claude Opus 554 shared prompts · Landed Jul 2026
GPT-6 Astra vs Inkling54 shared prompts · Landed Jul 2026
GPT-6 Astra vs Kimi K354 shared prompts · Landed Jul 2026

Prompts GPT-6 Astra answered

  • Movie Analysisanalysis
  • Advanced Investment Memo (IC Memo)financial modeling
  • Advanced Longevity Plan (Biohacker)reasoning
  • Explain Like I'm a Specific Expertreasoning
  • Framer-Style Animationweb design
  • Music App Landing Pageweb design

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GPT-6 Astra

GPT-6 Astra

GPT:
2 logo2
3.5 Turbo logo3.5 Turbo
4 logo4
4o (Omni) logo4o (Omni)
4o mini logo4o mini
6 Astra logo6 Astra

OpenAI's first GPT-6 model, out September 3 2026 from what the company calls its largest training run so far. It takes 1.05M tokens of context, writes up to 128K, and exposes five reasoning effort levels from low through max. OpenAI aims it at computer use, browsing, software engineering and long multi-step work.

Ranks#1Analysis & Critique#1API Documentation#1Business Strategy#1Chatbot Building#1Code Review#1Creative Coding
OpenRouterDocsAPIBlog
Provider
OpenAI
Released
2026-09-03
Size
XLARGE
Free API (OpenRouter)
No
Per 1M tokens
$10 in · $50 out
Rival’s tab
$9.08
58/58 token ledgers survived

Free API availability

No free endpoint for GPT-6 Astra was found in Rival’s OpenRouter listings. Other providers or chat apps may have separate free offers.

Provider data: 16 Sep 2026 · OpenRouter usage limits

View API options↗
Get API accessProvider and language code samples
2 hostsInOutContextUptime
Azure AI Foundry$10.00 in·$50.00 out·1.1M·99.8% upOpenAI$10.00 in·$50.00 out·1.1M·99.8% up

Per million tokens. Prices and uptime via OpenRouter, checked 16 Sep 2026.

Provider
fromimport openai  OpenAI

client = OpenAI(
"https://openrouter.ai/api/v1"    base_url=,
"$OPENROUTER_API_KEY"    api_key=,
)

response = client.chat.completions.create(
"openai/gpt-6-astra"    model=,
"role""user""content""Hello!"    messages=[{: , : }],
)
print(response.choices[0].message.content)

Set OPENROUTER_API_KEY with your OpenRouter API key from openrouter.ai/keys.

Deep analysisPsychometrics, taste index, writing DNA
Writing DNA

Stylometric Fingerprint

Based on 27 text responses
Tick = global average
Vocabulary Diversity62%

Unique words vs. total words. Higher = richer vocabulary.

Sentence Length14.9 words

Average words per sentence.

Hedging0.87

"Might", "perhaps", "arguably" per 100 words.

Bold Formatting4.0

**Bold** markers per 1,000 characters.

List Usage2.3

Bullet and numbered list items per 1,000 characters.

Section Structure0.77

Markdown headings per 1,000 characters.

Emoji Usage0.04

Emoji per 1,000 characters.

Transitions0.10

"However", "moreover", "furthermore" per 100 words.

Opening Habits
Consistency
73%
Across 27 responses

Favorites

Spirited Away

Movie

Spirited Away

20018.5
In Rainbows

Album

In Rainbows

Radiohead
The Left Hand of Darkness

Book

The Left Hand of Darkness

Ursula K. Le Guin
Kyoto

City

Kyoto

Japan
Outer Wilds

Game

Outer Wilds

Indie, Adventure4.4
Sponsored

Model Responses

53 outputs · generated before accounting joined the chat

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GPT-6 Astra vs Ox Alpha

Real outputs compared side by side

RANKINGS

Best AI for Complex Reasoning

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