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.
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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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