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OpenAI & ChatGPT – Page 2
Every release, deal and policy move from OpenAI — updated daily.
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Model chronicle · ChatGPT
GPT-6.1 Sol
developers.openai.com (source, opens in a new tab)GPT-6 Sol & Luna
Two GPT-6 reasoning models. Price shown is GPT-6 Sol (≤272K prompt); GPT-6 Luna costs $0.10 / $0.50.
developers.openai.com (source, opens in a new tab)GPT-6 Astra
OpenAI's most capable model for reasoning, coding, computer use and research.
openai.com (source, opens in a new tab)GPT-5.6
GPT-5.6 family: Sol (frontier), Terra (balanced) and Luna (high-volume).
developers.openai.com (source, opens in a new tab)GPT-5.5
Rolled out in ChatGPT and Codex on Apr 23; API availability followed on Apr 24, 2026.
openai.com (source, opens in a new tab)GPT-5.4
Frontier model for professional work with built-in computer use; GPT-5.4 Pro in the Responses API.
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)GPT-5.1
developers.openai.com (source, opens in a new tab)GPT-5
GPT-5, GPT-5 mini and GPT-5 nano in ChatGPT and the API.
openai.com (source, opens in a new tab)
Sources: company announcements & release notes.
Fact box
- HQ
- San Francisco, USA
- Founded
- 2015
- CEO
- Sam Altman
- Valuation
- $852B post-money (Mar 2026)
- Total funding
- $185.9B (PitchBook via CNBC, 19 May 2026)
- Core products
- ChatGPT · GPT models · Codex · Sora · API
- Latest round
- $122B Round anchored by Amazon, NVIDIA & SoftBank · Mar 2026
- Stories
- 627
Sources: openai.com, openai.com, cnbc.com
Editor's picks
Deals & funding
OpenAI · rounds, valuations, partners, acquisitions · $169B raised in tracked primary rounds · latest 8 of 38
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)
All 38 rounds & deals as a table · 4 funding, 24 partnerships, 10 acquisitions
| Date | Event | Type | Counterparty / round | Amount | Valuation | Source |
|---|---|---|---|---|---|---|
| Oct 20, 2026 | OpenAI acquires Orchestra Bio Life-sciences acquisition announced on OpenAI's blog; terms not disclosed. | Acquisition | acquires Orchestra Bio | — | — | openai.com |
| Aug 17, 2026 | 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. | Partnership · compute | with SB Energy, OpenAI | $105B | — | investor.nvidia.com |
| Jun 11, 2026 | OpenAI to acquire Ona for secure cloud execution of Codex agents Ona's customer-controlled cloud environments let long-running Codex agents run inside an organisation's own cloud. Subject to regulatory approval. | Acquisition | to acquire Ona | — | — | openai.com |
| Apr 27, 2026 | Microsoft and OpenAI amend deal, ending exclusive licence Amended terms: Microsoft stays primary cloud partner but loses exclusivity; OpenAI may sell products on other clouds. | Partnership · cloud | with Microsoft | — | — | openai.com |
| Mar 31, 2026 | OpenAI raises $122B at $852B valuation Round closed with $122B in committed capital; anchored by Amazon, NVIDIA and SoftBank. | Funding | Round anchored by Amazon, NVIDIA & SoftBank | $122B | $852B | openai.com |
| Mar 19, 2026 | OpenAI to acquire Astral (uv, Ruff) for Codex Maker of the Python tools uv, Ruff and ty; team joins Codex and OpenAI plans to keep supporting the open-source tools. Subject to regulatory approval. | Acquisition | to acquire Astral | — | — | openai.com |
| Mar 9, 2026 | OpenAI to acquire Promptfoo (AI security testing) Open-source framework for testing and red-teaming LLM applications; subject to closing conditions. | Acquisition | to acquire Promptfoo | — | — | openai.com |
| Feb 27, 2026 | 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). | Partnership · investment | with OpenAI | $30B | — | openai.com |
| Feb 27, 2026 | 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. | Partnership · investment | with Amazon | $50B | — | openai.com |
| Dec 11, 2025 | Disney invests $1B in OpenAI and licenses characters for Sora Three-year licence for 200+ Disney, Marvel, Pixar and Star Wars characters in Sora, plus a $1B Disney equity investment in OpenAI. | Partnership · licensing | with Disney | $1B | — | thewaltdisneycompany.com |
| Dec 3, 2025 | OpenAI to acquire Neptune (model-training monitoring) Definitive agreement to acquire Neptune, a tool for tracking and debugging model training runs. | Acquisition | to acquire Neptune.ai | — | — | openai.com |
| Nov 3, 2025 | AWS signs $38B, seven-year compute deal with OpenAI OpenAI gets immediate access to AWS EC2 UltraServers with hundreds of thousands of NVIDIA GB200/GB300 GPUs; all capacity targeted before end of 2026. | Partnership · cloud | with Amazon Web Services | $38B | — | openai.com |
| Oct 28, 2025 | Microsoft and OpenAI sign new definitive agreement after recapitalisation OpenAI recapitalises as a public benefit corporation; Microsoft holds about 27% (valued ~$135B) and OpenAI commits to $250B of Azure services. | Partnership · licensing | with Microsoft | $250B | — | openai.com |
| Oct 23, 2025 | OpenAI acquires Software Applications Inc., maker of Mac assistant Sky Team behind Sky, a natural-language interface for the Mac, joins to bring deeper macOS integration to ChatGPT. | Acquisition | acquires Software Applications Incorporated (Sky) | — | — | openai.com |
| Oct 13, 2025 | Broadcom to build and deploy 10 GW of OpenAI-designed AI accelerators OpenAI designs custom accelerators and systems; Broadcom develops and deploys racks with its Ethernet networking from H2 2026, completing by end of 2029. | Partnership · chips | with Broadcom | — | — | openai.com |
| Oct 6, 2025 | AMD deal: 6 GW of Instinct GPUs, OpenAI gets warrant for up to 160M AMD shares Multi-year, multi-generation deal starting with 1 GW of MI450 GPUs in H2 2026. AMD issues OpenAI a warrant for up to 160M shares (~10%) vesting with deployment milestones. | Partnership · chips | with AMD | — | — | openai.com |
| Oct 2, 2025 | OpenAI completes $6.6B employee share sale at $500B valuation Secondary share sale by current and former employees (no new primary capital). | Funding | Secondary sale | $6.6B | $500B | reuters.com |
| Sep 25, 2025 | CoreWeave expands OpenAI contract by $6.5B to $22.4B New order form under the May 2025 master services agreement: OpenAI commits to pay up to ~$6.5B through May 31, 2031 (CoreWeave 8-K). Total CoreWeave contracts with OpenAI: about $22.4B. | Partnership · compute | with CoreWeave | $6.5B | — | sec.gov |
| Sep 23, 2025 | Five new Stargate sites with Oracle and SoftBank bring planned capacity to ~7 GW Oracle sites in Shackelford County (TX), Doña Ana County (NM) and Wisconsin plus SoftBank sites in Lordstown (OH) and Milam County (TX); Stargate reaches nearly 7 GW planned and over $400B of investment over three years. | Partnership · compute | with Oracle, SoftBank | — | — | openai.com |
| Sep 22, 2025 | NVIDIA and OpenAI sign 10 GW systems deal with up to $100B investment Letter of intent: at least 10 GW of NVIDIA systems; NVIDIA intends to invest up to $100B progressively as capacity is deployed. | Partnership · compute | with NVIDIA | $100B | — | openai.com |
| Sep 2, 2025 | OpenAI acquires Statsig (reported $1.1B); Vijaye Raji becomes CTO of Applications Experimentation platform; founder Vijaye Raji becomes CTO of Applications. Reported all-stock value ~$1.1B (Bloomberg/TechCrunch); not published by OpenAI. | Acquisition | acquires Statsig | $1.1B | — | openai.com |
| Jul 22, 2025 | Oracle: 4.5 GW of additional Stargate capacity (reported ~$300B over five years) OpenAI and Oracle agree to develop 4.5 GW of additional Stargate data-center capacity in the US. In Sept 2025 OpenAI said the Oracle partnership exceeds $300B over five years. | Partnership · compute | with Oracle | $300B | — | openai.com |
| Jun 16, 2025 | OpenAI for Government: $200M Pentagon CDAO pilot Launch of OpenAI for Government with a CDAO contract ceiling of $200M to prototype frontier AI for warfighting and enterprise use cases. | Partnership · government | with US Department of Defense (CDAO) | $200M | — | openai.com |
| May 2025 | OpenAI adds Google Cloud as compute supplier Deal finalized in May 2025 (Reuters); OpenAI later listed Google Cloud among its compute suppliers and began renting Google TPUs. CoreWeave supplies part of the capacity Google resells. | Partnership · cloud | with OpenAI | — | — | reuters.com |
| May 21, 2025 | OpenAI acquires Jony Ive’s device startup io OpenAI merges with io, the device startup founded by Jony Ive; deal value not disclosed by OpenAI. | Acquisition | acquires io Products (Jony Ive) | $6.5B | — | openai.com |
| Mar 31, 2025 | OpenAI raises $40B at $300B post-money valuation Led by SoftBank; largest private tech funding round at the time. | Funding | Round led by SoftBank | $40B | $300B | openai.com |
| Mar 10, 2025 | CoreWeave signs $11.9B compute contract with OpenAI, OpenAI takes $350M stake Five-year agreement for up to $11.9B of AI infrastructure; OpenAI receives $350M of CoreWeave equity ahead of its IPO. Expanded by $4B (May 2025) and $6.5B (Sept 2025) to $22.4B. | Partnership · compute | with CoreWeave | $11.9B | — | investors.coreweave.com |
| Jan 21, 2025 | Stargate: $500B US AI infrastructure JV with SoftBank, Oracle and MGX Stargate LLC plans to invest $500B over four years in US AI infrastructure ($100B immediately). SoftBank and OpenAI lead (SoftBank financial, OpenAI operational); Arm, Microsoft, NVIDIA and Oracle are technology partners. | Partnership · compute | with SoftBank, Oracle +1 | $500B | — | openai.com |
| Oct 2, 2024 | OpenAI raises $6.6B at $157B valuation Amount and post-money valuation per OpenAI; investor list per press reports (led by Thrive Capital). | Funding | Round led by Thrive Capital | $6.6B | $157B | openai.com |
| Jun 21, 2024 | OpenAI acquires Rockset to power ChatGPT retrieval Real-time analytics database company; technology and team integrated into OpenAI's retrieval infrastructure. Price not disclosed. | Acquisition | acquires Rockset | — | — | openai.com |
| Jun 10, 2024 | Apple integrates ChatGPT into Siri and Apple Intelligence ChatGPT is built into iOS 18, iPadOS 18 and macOS Sequoia (Siri, Writing Tools), free without an account; no payment terms disclosed. | Partnership · integration | with Apple | — | — | openai.com |
| May 22, 2024 | News Corp deal: WSJ, The Times and others licensed to OpenAI Multi-year deal covering The Wall Street Journal, Barron's, MarketWatch, The Times, The Sun and others. WSJ reported it is worth more than $250M over five years (not confirmed by OpenAI). | Partnership · content | with News Corp | — | — | openai.com |
| May 16, 2024 | Reddit partnership: Reddit data API in ChatGPT, OpenAI becomes ad partner OpenAI gets access to Reddit's Data API for real-time content in ChatGPT; Reddit builds features with OpenAI models and OpenAI becomes a Reddit ad partner. | Partnership · content | with Reddit | — | — | openai.com |
| Dec 13, 2023 | Axel Springer deal: Bild, Politico and Business Insider content in ChatGPT ChatGPT shows summaries of Axel Springer journalism with attribution and links; content can be used for training. | Partnership · content | with Axel Springer | — | — | openai.com |
| Aug 16, 2023 | OpenAI acquires Global Illumination (makers of Biomes) OpenAI's first acquisition; the team behind the open-source game Biomes joins to work on core products incl. ChatGPT. | Acquisition | acquires Global Illumination | — | — | openai.com |
| Jul 13, 2023 | AP licenses its news archive to OpenAI for model training OpenAI licenses part of AP's text archive back to 1985; AP gets access to OpenAI technology and product expertise. | Partnership · content | with The Associated Press | — | — | ap.org |
| Jan 23, 2023 | Microsoft extends OpenAI partnership with reported $10B investment Third phase of the partnership: multiyear, multibillion-dollar investment; Azure remains OpenAI's exclusive cloud. | Partnership · cloud | with Microsoft | $10B | — | blogs.microsoft.com |
| Jul 22, 2019 | Microsoft invests $1B in OpenAI; Azure becomes exclusive cloud Microsoft invests $1B and becomes OpenAI's exclusive cloud provider; the two co-develop Azure AI supercomputing. | Partnership · investment | with Microsoft | $1B | — | openai.com |
Sources: company announcements & release notes, press reports.
Products & models
ChatGPTCurrent: GPT-6.1 Sol ›More stories
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Turn Off Thinking Mode and Models Still Reason 99.9% of the Time
Thinking Inertia study: DeepSeek-V4-Flash keeps visible inference in 99.9% of open-ended answers with thinking disabled. Strict answer-only prompts raise Empty-Thinking Rate to ~40% but cut accuracy…
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Even Top Agents Finish Only ~30% of Real Startup Product Workflows
StartupBench, built from market-validated AI products: Kimi-K3 and GPT-5.6-sol average ~73.6% partial scores, but no model completes one-third of tasks under the ≥90 success bar.
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AI Agents Almost Never Stop in Time When a Task Is Impossible
Across 28,000+ tasks, timely abstention recall stays under 40% for all models. Best web AbsRec@1 is 26.7%; a scaffold can lift Llama-3.3-70B from 26.7% to 57.4%.
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LLMs Can Build Their Own Agent Harnesses — But Still Trail Human Ones on Code
HarnessDev: six creator models build execution infrastructure from a seed. Generated harnesses match or beat references on writing and ML experiments, but lag on code and…
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Hybrid Computer-Use Agents Top Out at 41% When GUI and CLI Must Work Together
WeaveBench’s 114 real-world tasks: best PassRate 41.2%. GUI-only or CLI-only collapse below 3.5%. Outcome-only grading overestimates GPT-5.5 from 53.5% to an audited 33.3%.
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Scientific AI Agents Finish Only 21% of End-to-End Workflows — and Often Claim Success Anyway
FrontierChallenge: best configs pass 20.6% of 97 released science workflows. In electrochemistry, Avg. Score hits 94.9 with 0% full completion; 75.5% of failed Claude Code runs…
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AI Agents Guess Wrong at Critical Forks 40% of the Time, Taste-Bench Shows
Taste-Bench’s 502 decision-fork questions: the best frontier model scores only 59.7%. Later evidence is harder, and bigger reasoning budgets do not help — but taste can…
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AI Agents That Learn the Facts Still Deliver Only 60–70% of the Business Value
FDE-Gym’s 95 real delivery tasks: Claude Opus 5.5 leads at 0.56, but even models that gather 72–85% of key facts deliver just 0.60–0.70 of the reference…
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Best Video Model Scores Just 51% on Visual Reasoning Tasks, VGI-Bench Finds
VGI-Bench’s 27 tasks and 810 instances show video generators can do some visual reasoning, but Seedance 2.0 tops out at 51%, with almost no self-correction during…
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Agents’ Last Exam: Even Top Coding Agents Score Under 10% on the Hardest Tier
ALE holds 1,490 expert workflows; the best Codex+GPT-5.5 setup that scores 82% on Terminal-Bench gets under 10% on ALE’s hardest tier and 23.3% overall on ALE-CLI.
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Most Multi-Agent Setups Violate Safety Rules Mid-Run, Even When the Answer Looks Fine
HarnessAudit-Bench tests 210 tasks across 10 harness configs: more than half of multi-agent setups show trajectory violations that final-answer grading misses.
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Hidden AI Reasoning Can Be Decrypted by Cheaper Models, Researchers Show
Encrypted chain-of-thought blocks from Anthropic, OpenAI and Google APIs are interchangeable across models. Feeding them to a weaker model makes it print the reasoning, exposing 367…
Models & specs
OpenAI · context window, max output, API price, modalities, knowledge 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 |
Vendor benchmark claims
- GPT-5: SWE-bench Verified 74.9% (vendor claim) · AIME 2025 94.6% without tools (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.