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

TopicsAll topics
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.
Editor's picks
More stories
-

-

ChatGPT Ads: Insights & Ethical Implications
Explore OpenAI’s push into conversational advertising with ChatGPT Ads. This analysis covers the technical innovations, business impacts, and ethical challenges for marketers and users. Discover how…
-

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, composable agents for scalable workflows. Discover how this…
-

OpenAI’s ChatGPT Ads: Ending Free Generative AI Era
OpenAI is developing ads for ChatGPT, marking the end of free generative AI and challenging Google’s ad dominance. Explore impacts on marketers, user trust, and the…
-

NORAD OpenAI Santa Tracker: AI Holiday Magic
Discover how NORAD’s partnership with OpenAI integrates generative AI into the beloved Santa Tracker, enhancing family traditions with interactive ChatGPT tools. Explore the impacts on culture,…
-

OpenAI Sunsets ChatGPT Voice on macOS for Mobile AI Focus
OpenAI is retiring ChatGPT Voice on macOS by January 2026 to prioritize Advanced Voice Mode with GPT-4o on mobile. Discover the strategic shift toward superior, on-the-go…
-

OpenAI Governance Crisis: Key Analysis and Impacts
Uncover the causes behind OpenAI’s governance crisis, from board-CEO clashes to stalled ChatGPT development. Learn its effects on enterprises, investors, and AI rivals, plus lessons for…
-

ChatGPT Free Tier Downgraded: OpenAI’s Strategy Explained
OpenAI is routing free ChatGPT users to cheaper models like GPT-4o-mini during peak times to control costs. This shift impacts user experience and signals AI’s economic…
-

OpenAI gpt-image-1.5: Better Control for Image Generation
OpenAI’s gpt-image-1.5 update improves prompt adherence, element preservation, and editing in ChatGPT and API. Developers and creatives gain reliable workflows for production-ready images. Explore the strategic…
-

OpenAI ChatGPT Images: Faster AI Generation with GPT-4o
OpenAI’s ChatGPT Images upgrade, powered by GPT-4o, delivers 4x faster image generation, precise mask-based editing, and improved text rendering. Explore how it integrates into workflows via…
-

AI Assistant Leaderboard 2025: Beyond ChatGPT Downloads
ChatGPT leads 2025 app downloads, but the AI market is fragmenting into specialized tools like Gemini, Claude, and Perplexity. Explore task-specific strengths, enterprise readiness, and why…
-

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.
Try ChatGPT in i10X
Compare it side by side with GPT, Gemini and Grok in one workspace.
Try ChatGPT in i10X ›