OpenAIGenerally Available
GPT-6 Luna is OpenAI's most efficient GPT-6 model for focused, high-volume tasks, with a 1,050,000-token context window, 128,000 max output tokens and a May 18, 2026 knowledge cutoff. Standard API text pricing is $0.10 per million input tokens and $0.50 per million output tokens.
Latest update Sep 25, 2026
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Available September 22, 2026 via the API as gpt-6-luna, in ChatGPT Work and Codex for paid plans, and rolling to Free and Go users in the desktop app. GitHub Copilot added GPT-6 Luna the same day for Copilot Pro, Pro+, Max, Business and Enterprise, with a gradual rollout.
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On Oct. 7, 2026 OpenAI said GPT-6 with Intelligent UI is rolling out globally in ChatGPT's Chat tab to Plus, Pro, Business, and Enterprise, with Free and Go following the next day. Paid tiers use GPT-6 Sol and Free/Go use GPT-6 Luna; responses can include graphics, buttons, forms, and charts. Work and Codex models are unchanged. OpenAI said the ChatGPT GPT-6 model is built for more than 1.2 billion weekly ChatGPT users, a company figure.
OpenAI expanded the GPT-6 family on September 22, 2026 with GPT-6 Sol and GPT-6 Luna, cheaper models that it says carry much of GPT-6 Astra's capability. API docs list Sol at $2 per million input tokens and $10 per million output tokens for complex coding and agentic work, and Luna at $0.10 and $0.50 for high-volume tasks. Both are in the API and in ChatGPT Work and Codex for paid plans; Luna is also rolling to Free and Go users, and GitHub added both models to Copilot.
developers.openai.com developers.openai.com techcrunch.com github.blog
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OpenAI's prior frontier large-language-model family. GPT-5.5 (April 2026) was the broadly available flagship, built for agentic coding, computer use, and knowledge work. GPT-5.6 - variants Sol, Terra and Luna - opened to the public on July 9, 2026 after an initial government-gated preview. GPT-6 Astra, launched September 3, 2026, is now the new flagship (see that product).
OpenAI's current flagship model, launched September 3, 2026. OpenAI calls it a generational leap for coding, computer use, science and cybersecurity, and the first model it has designated Critical for cybersecurity under its Preparedness Framework - meaning it can find previously unknown security flaws and exploit them without step-by-step human guidance. President Greg Brockman told reporters it is not unreasonable to feel the company is now in the AGI era.
OpenAI's flagship consumer assistant, now running GPT-6 Sol and Luna alongside GPT-6 Astra and the GPT-5 family, with advanced voice, cross-chat memory, Projects, image and video generation, and agentic Agent Mode. The largest consumer AI product in the world.
A GPT-6 Astra product for bankers and equity researchers, launched September 10, 2026, with Morgan Stanley and Evercore as design partners. Pulls structured data from LSEG, PitchBook, Daloopa, Crunchbase and Quartr, with planned integrations to FactSet, S&P Global, Preqin and Datasite.
Exposes the GPT-6 family (Astra, Sol and Luna), the GPT-5 family, Sora video, and agent tooling to developers. Codex is OpenAI's flagship agentic coding system, spanning a CLI, IDE extension, cloud task delegation and a GitHub bot. GPT-6 Sol and Luna became available in the API on September 22, 2026, and GitHub Copilot added both models the same day.
Managed enterprise platform for deploying governed AI agents over real-time voice and chat, covering customer support, sales and internal IT workflows with per-customer policies, guardrails and human-escalation rules.
OpenAI's cyber-defense program, offering purpose-trained security models to vetted defenders, government agencies and enterprises under a tiered 'Trusted Access for Cyber' governance framework. Expanded Aug 10, 2026 into two access tiers (Blue for defensive workflows, Red for authorized offensive/penetration testing) alongside a new GPT-5.6-Cyber model.
OpenAI's video-and-audio generation model, with synchronized dialogue and sound, multi-shot generation, and improved physical accuracy. Launched September 2025; the standalone consumer app was discontinued in April 2026, with the model continuing via the API.
OpenAI's first consumer hardware device, developed with Jony Ive following the ~$6.5B acquisition of io - a screenless, doughnut-shaped, voice-first AI 'companion' roughly the size of a hockey puck, intended to complement rather than replace the smartphone. Not yet launched.
GPT-6 Sol is OpenAI's GPT-6 model for complex coding and agentic workflows, with a 1,050,000-token context window, 128,000 max output tokens and an April 20, 2026 knowledge cutoff. Standard API text pricing is $2 per million input tokens and $10 per million output tokens.
Always-on ChatGPT agent introduced at DevDay on September 29, 2026. Business Insider said it runs on GPT-6 Astra on a cloud computer, is built for computer use across apps and websites, and can use some tools when a user is not actively directing it. The Verge reported initial access for ChatGPT Pro, Business Premium and Enterprise subscribers, with Muse remaining free. OpenAI said it plans to expand availability. An official openai.com product page was not retrieved.
A GPT-6 family model OpenAI positions as near-Astra performance for coding, computer use and professional work at lower token prices than GPT-6 Astra. Distinct from the Sept 22 GPT-6 Sol launch; API model id is gpt-6.1-sol.
OpenAI life sciences model. The Rosalind Academic Plan offers approved US university labs up to 30 Business Standard seats at no cost for 12 months, with model access after trusted-access review. The academic offer does not include API access.
OpenAI model released Oct. 26, 2026 for visual reasoning, computer use and writing. Available in ChatGPT Work and Codex for Plus, Pro, Enterprise and Edu, in the API as gpt-6.1-terra, and on Amazon Bedrock. Standard API prices are $1 per million input tokens, $0.05 per million cached input tokens and $5 per million output tokens.
Cybersecurity model OpenAI introduced on Nov. 5, 2026 for a select group of approved Daybreak Red customers through the API and Codex. OpenAI classifies it as Critical under its Preparedness Framework. Wider Daybreak Red access is planned and is not yet general.
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