Product dossier · by OpenAI
ChatGPT
Versions, pricing, availability and every story about ChatGPT.

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GPT-6 Astra Myth: Project Astra vs GPT-4o Race

The viral ‘GPT-6 Astra’ search stems from confusion between Google’s Project Astra and OpenAI’s GPT-4o. Discover the real shift to real-time multimodal AI agents and infrastructure implications. Explore the guide.
By
Deals & partnerships · OpenAI
Acquisition
OpenAI acquires Orchestra Bio
openai.com (source, opens in a new tab)Partnership
NVIDIA guarantees up to $105B for OpenAI’s Ohio data-center campus
Residual-value guarantee for OpenAI's 20-year lease of SB Energy's PORTS-Pike campus in Pike County, Ohio: 4.25 GW initially plus a 3.75 GW option, online from 2028. NVIDIA pays only on default; OpenAI must reimburse.
investor.nvidia.com (source, opens in a new tab)Acquisition
OpenAI to acquire Ona for secure cloud execution of Codex agents
openai.com (source, opens in a new tab)Partnership
Microsoft and OpenAI amend deal, ending exclusive licence
openai.com (source, opens in a new tab)Funding
OpenAI raises $122B at $852B valuation
Round closed with $122B in committed capital; anchored by Amazon, NVIDIA and SoftBank.
openai.com (source, opens in a new tab)Acquisition
OpenAI to acquire Astral (uv, Ruff) for Codex
openai.com (source, opens in a new tab)Acquisition
OpenAI to acquire Promptfoo (AI security testing)
openai.com (source, opens in a new tab)Partnership
NVIDIA commits $30B to OpenAI’s $110B funding round
NVIDIA and SoftBank each commit $30B and Amazon $50B to a $110B round at $730B pre-money; the round later closed at $122B ($852B post-money).
openai.com (source, opens in a new tab)Partnership
Amazon to invest $50B in OpenAI; AWS deal expands by $100B to 2 GW of Trainium
Amazon invests $50B ($15B upfront, $35B on conditions) as part of OpenAI's $122B round. AWS becomes exclusive third-party cloud for OpenAI Frontier; the $38B AWS deal grows by $100B over 8 years incl. ~2 GW of Trainium.
openai.com (source, opens in a new tab)Partnership
Disney invests $1B in OpenAI and licenses characters for Sora
thewaltdisneycompany.com (source, opens in a new tab)
Sources: company announcements & release notes.
Release timeline
Every ChatGPT model release · 19 releases
GPT-6.1 Sol
developers.openai.com (source, opens in a new tab)GPT-6 Sol & Luna
developers.openai.com (source, opens in a new tab)GPT-6 Astra
openai.com (source, opens in a new tab)GPT-5.6
developers.openai.com (source, opens in a new tab)GPT-5.5
openai.com (source, opens in a new tab)GPT-5.4
developers.openai.com (source, opens in a new tab)GPT-5.3-Codex
developers.openai.com (source, opens in a new tab)GPT-5.2
developers.openai.com (source, opens in a new tab)
Show all 19 releases
GPT-5.1
developers.openai.com (source, opens in a new tab)GPT-5
openai.com (source, opens in a new tab)o3 & o4-mini
openai.com (source, opens in a new tab)GPT-4.1
openai.com (source, opens in a new tab)GPT-4.5
openai.com (source, opens in a new tab)o3-mini
openai.com (source, opens in a new tab)o1-preview
openai.com (source, opens in a new tab)GPT-4o mini
openai.com (source, opens in a new tab)GPT-4o
openai.com (source, opens in a new tab)GPT-4 Turbo
openai.com (source, opens in a new tab)GPT-4
openai.com (source, opens in a new tab)
Sources: company announcements & release notes.
Latest on X
ChatGPT · @ChatGPT
We’re using dots to build better dots. @rennsong, an engineer at OpenAI, uses her dot to gather feedback from social media and user reports, update a live tracker in ChatGPT Space, and investigate and fix bugs with Codex.
Messi asked ChatGPT to teach him a chess opening that matched his style. It suggested Goat Horns 🤘
Keep sensitive conversations out of view with Locked Chats in ChatGPT. Move chats out of your regular history and search into a protected space you can unlock with a PIN on web and desktop, or a PIN, Face ID, Touch ID, or device unlock on supported mobile devices. New messages
ChatGPT Slides has new ways to get your deck ready—and get everyone on the same page. • Work together in real time in ChatGPT: Share decks, edit together, and leave comments. Ask ChatGPT or your dot to turn feedback into updates. • Edit right on the slide: Click to change
Editor's picks
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OpenAI GPT-5.5: Key Features and Enterprise Impact
OpenAI’s GPT-5.5 brings advanced multimodal reasoning, faster responses, and robust agentic tools to ChatGPT and API users. Explore…
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ORCA Benchmark: AI Chatbots Fail Everyday Math 40% of Time
The ORCA benchmark exposes why leading AI chatbots like ChatGPT and Gemini err in everyday calculations up to…
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OpenAI Skills: Modular Framework for ChatGPT Developers
Explore OpenAI’s Skills, a new modular system for packaging reusable AI capabilities in ChatGPT. Developers can create version-controlled,…
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ChatGPT Shopping Tool: OpenAI’s Agentic Commerce Shift
OpenAI launches a ChatGPT shopping assistant for Plus users, enabling product research, deals, and instant checkout with partners…
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Agentic AI Browsers: Shifting from Viewer to Doer
Discover how agentic AI browsers like ChatGPT Atlas and Microsoft’s Copilot are transforming the web by autonomously handling tasks, from booking flights to managing data. Explore…
Versions & specs
Model · date · context · max output · price per 1M tokens (in/out, cached) · modalities · cutoff · license
| Model | Released | Context | Max output | Price in / out (per 1M) | Modalities | Knowledge cutoff | License / access | Spec source |
|---|---|---|---|---|---|---|---|---|
| GPT-6.1 Sol | Sep 29, 2026 | 1.05M | 128K | $2 / $10 cached $0.1 Prompts >272K input: 2× input, 1.5× output. Batch/Flex −50%. | Text, image in → text out | Apr 2026 | Proprietary (API & app) | developers.openai.com |
| GPT-6 Sol & Luna GPT-6 Sol, GPT-6 Luna | Sep 22, 2026 | 1.05M | 128K | $2 / $10 Luna: $0.10 in / $0.50 out, cached $0.01. | Text, image in → text out | Apr 2026 (Sol) / May 2026 (Luna) | Proprietary (API & app) | developers.openai.com |
| GPT-6 Astra | Sep 3, 2026 | 1.05M | 128K | $10 / $50 cached $1 Prompts >272K input: 2× input, 1.5× output. Batch/Flex −50%. | Text, image in → text out | Apr 2026 | Proprietary (API & app) | developers.openai.com |
| GPT-5.6 | Jul 9, 2026 | 1.05M | 128K | $4 / $20 cached $0.4 | Text, image in → text out | Feb 2026 | Proprietary (API & app) | developers.openai.com |
| GPT-5.5 | Apr 23, 2026 | 1M | 128K | $5 / $30 cached $0.5 Prompts >272K input tokens: 2× input, 1.5× output. | Text, image in → text out | Dec 2025 | Proprietary (API & app) | developers.openai.com |
| GPT-5.4 | Mar 5, 2026 | 1M | 128K | $2.5 / $15 cached $0.25 | Text, image in → text out | Aug 2025 | Proprietary (API & app) | developers.openai.com |
| GPT-5.3-Codex | Feb 24, 2026 | 400K | 128K | $1.75 / $14 cached $0.18 | Text, image in → text out | Aug 2025 | Proprietary (API & app) | developers.openai.com |
| GPT-5.2 | Dec 11, 2025 | 400K | 128K | $1.75 / $14 cached $0.18 | Text, image in → text out | Aug 2025 | Proprietary (API & app) | developers.openai.com |
| GPT-5.1 | Nov 13, 2025 | 400K | 128K | $1.25 / $10 cached $0.13 | Text, image in → text out | Sep 2024 | Proprietary (API & app) | developers.openai.com |
| GPT-5 GPT-5, GPT-5 mini, GPT-5 nano | Aug 7, 2025 | 400K | 128K | $1.25 / $10 cached $0.13 | Text, image in → text out | Sep 2024 | Proprietary (API & app) | developers.openai.com |
| o3 & o4-mini o3, o4-mini | Apr 16, 2025 | 200K | 100K | $2 / $8 cached $0.5 o3 launched at $10/$40; cut 80% in June 2025. o4-mini: $1.10/$4.40. | Text, image in → text out | Jun 2024 | Proprietary (API & app) | developers.openai.com |
| GPT-4.1 GPT-4.1, GPT-4.1 mini, GPT-4.1 nano | Apr 14, 2025 | 1M | 33K | $2 / $8 cached $0.5 | Text, image in → text out | Jun 2024 | Proprietary (API) | developers.openai.com |
Vendor benchmark claims
- GPT-5: SWE-bench Verified 74.9% (vendor claim) · AIME 2025 94.6% without tools (vendor claim)
- GPT-4.1: SWE-bench Verified 54.6% (vendor claim)
Benchmarks as published by the vendor at launch; not independently verified by i10x.
Sources: company announcements & release notes. Prices = standard API list price in USD per 1M tokens at time of release or current docs; batch is typically 50% off.
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