Replace: A day later, GPT-6 Astra is rolling out to Enterprise and Professional clients on the $100/month or $200/month plan. This follows different new mannequin releases earlier than Plus clients on the $20/month plan achieve entry.
Replace #2: Just a few hours later, Plus customers with the $20/month subscription now have Astra entry as properly.
It’s been simply over a yr since OpenAI launched the primary GPT-5 fashions for ChatGPT. Now it’s time for GPT-6 Astra to improve ChatGPT and Codex capabilities. Particulars under.
GPT-6 Astra particulars
OpenAI has formally detailed its new mannequin, GPT-6 Astra, which it calls “the world’s most clever and aligned mannequin.”
Right here’s extra from the official announcement immediately:
GPT‑6 Astra brings collectively years of analysis and large bets throughout pre-training, reinforcement studying, and alignment. Astra is state-of-the-art on pc use, shopping, software program engineering, cybersecurity, science, {and professional} work. Astra saturates FrontierMath Tier 4 with a 98% rating, having already helped solve long-standing open problems in arithmetic. Astra additionally saturates ARC-AGI-3 with a 99.9% rating and ExploitBench with a 100% rating. It additionally units a brand new frontier on pc and browser use, dealing with probably the most demanding skilled work with unmatched pace, accuracy, and judgment.
OpenAI goes additional on how GPT-6 improves pc use, which permits ChatGPT to make use of your Mac or different desktop, together with within the background when you work:
GPT‑6 Astra pairs advances in pc use with focused coaching for skilled environments, to assist deal with advanced work duties. It combines the intelligence required for advanced issues with the power to hold out multistep workflows and produce polished paperwork, spreadsheets, and displays.
Moreover, GPT-6 Astra is “the most effective mannequin for software program engineering up to now,” OpenAI says.
When it comes to Codex particularly, right here’s one thing new about GPT-6:
With Astra, we’re introducing a brand new means for Codex to protect and retrieve context when the context window fills. Traditionally, fashions have used compaction to summarize work throughout lengthy periods, reminiscent of when debugging advanced points or tackling giant refactors. Every compaction can miss particulars about why a repair failed or how a part behaves. In Codex, Astra can preserve notes throughout context home windows, preserving amassed particulars with out repeatedly compressing them right into a single abstract. Earlier context home windows stay searchable, so Astra can discover necessities or check outcomes from earlier messages and power outputs—even when that data wasn’t captured in its notes. You may allow this experimental function in your Codex, and it’ll turn into the default for Astra within the coming weeks.
OpenAI calls GPT-6 Astra a “vital leap in cyber capabilities,” including that it “meets the Essential threshold in cybersecurity below our Preparedness Framework.”
For that purpose, the mannequin is rolling out slowly to customers.
“GPT‑6 Astra is rolling out immediately to a restricted set of organizations and over the approaching days will turn into out there to all ChatGPT Plus, Professional, Enterprise, and Enterprise customers, in addition to by the OpenAI API and AWS,” OpenAI says.
“Astra utilization is included throughout the present subscription allowances—customers and companies can even have the ability to buy credit for added utilization. Customers on the Professional, Enterprise, and Enterprise plans can even get entry to GPT‑6 Astra Professional. Enterprise directors can allow Astra for his or her workspace; entry is off by default at launch.”
The street to GPT-6 Astra
GPT-5 launched August 7, 2025, changing GPT-4o and several other reasoning fashions as ChatGPT’s default. Its defining function was computerized routing: ChatGPT may reply shortly or invoke deeper reasoning relying on the request. OpenAI additionally claimed fewer factual errors than GPT-4o.
Apple adopted the mannequin with iOS 26, iPadOS 26, and macOS Tahoe 26. ChatGPT requests handed by Apple Intelligence, together with Siri handoffs, Writing Instruments, and visible intelligence, switched from GPT-4o to GPT-5.
GPT-5.1 promised hotter, extra pure solutions in November. December’s “code red” GPT-5.2 accelerated skilled work in response to Gemini. GPT-5.3 Instant focused ChatGPT’s “cringe” tone, adopted two days later by GPT-5.4 Thinking with a million-token context window and built-in pc use.
OpenAI subsequently added GPT-5.4 mini and nano, the restricted GPT-5.4-Cyber, GPT-5.5 for extra autonomous work, GPT-5.5 Instant, and July’s GPT-5.6 Sol, Terra, and Luna models.
From the Codex Mac app to a brand new ChatGPT
The software program round these fashions remodeled too. OpenAI launched a dedicated Codex Mac app in February as a hub for working a number of coding brokers, reviewing adjustments, and scheduling work.
In July, Codex successfully grew to become the new ChatGPT desktop app, combining Chat, Work, and Codex whereas the earlier native shopper was renamed ChatGPT Basic.
For me, Codex has changed how I work with ChatGPT probably the most. I’m in a position to offload much more work that doesn’t require important considering and even construct instruments on my Mac that I couldn’t put collectively in any other case.
GPT-6 availability
OpenAI says its new GPT-6 fashions will solely be out there to its cyber security-focused Dawn program members to begin. This echoes the same launch cadence with the earlier mannequin launch, GPT-5.6.
Right here’s what OpenAI says about availability, particularly:
GPT‑6 Astra is rolling out immediately to a restricted set of organizations and over the approaching days will turn into out there to all ChatGPT Plus, Professional, Enterprise, and Enterprise customers, in addition to by the OpenAI API and AWS.
You may study way more about OpenAI’s newest frontier mannequin here.
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