OpenAI launches GPT‑5.6 (Sol / Terra / Luna)
OpenAI made the GPT‑5.6 family generally available on 9 July, as Sol, Terra, and Luna. The company posted the launch on openai.com.
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Stripe agrees to acquire OpenRouter
Stripe agreed to acquire OpenRouter on 19 August. Stripe’s newsroom does not disclose a price. Press reported figures above $7 billion, including about $7.5 billion; terms otherwise remain undisclosed by Stripe.
SourceSpaceX announces all-stock acquisition of Anysphere (Cursor)
SpaceX / SpaceXAI announced an all‑stock acquisition of Anysphere (Cursor) on 16 June. The deal closed on 14 August. SpaceX’s 8-K states an implied equity value of Cursor of $60.0 billion.
SourceNVIDIA signs agreement to acquire Hugging Face
NVIDIA announced a definitive agreement to acquire Hugging Face. The 2 September 8-K describes about $11.9 billion to stockholders plus up to about $1.0 billion in retention, a structure of about $12.93 billion. Signed, not closed; expected close in the first half of 2027, subject to regulatory approval.
SourceCampus updates have a side rule. Held means unconfirmed; inferred figures come from reporting.
September 2026
Introducing ChatGPT Images 2.5
OpenAI released ChatGPT Images 2.5 on 8 September. The company says it turns ideas, sketches and reference photos into more personalized, polished images. Details are on OpenAI's launch note.
GPT-6 Astra: A new generation of intelligence
OpenAI released GPT-6 Astra on 3 September and calls it its most intelligent and aligned model yet, naming computer use, coding, cybersecurity and science as the areas it leads. Details are on OpenAI's launch note.
NVIDIA signs agreement to acquire Hugging Face
NVIDIA announced a definitive agreement to acquire Hugging Face. The 2 September 8-K describes about $11.9 billion to stockholders plus up to about $1.0 billion in retention, a structure of about $12.93 billion. Signed, not closed; expected close in the first half of 2027, subject to regulatory approval.
Google launches Gemini 3.8 Flash and 3.8 Flash Cyber
Google released Gemini 3.8 Flash and Gemini 3.8 Flash Cyber on 2 September. The company posted both models on its Gemini blog.
Meta launches Muse Spark 1.3
Meta released Muse Spark 1.3 on 2 September. Meta’s developer page lists the model; contemporaneous reporting treated it as Meta’s strongest LLM to date.
Anthropic launches Claude Fable 5.1 and Mythos 5.1
Anthropic released Claude Fable 5.1 and Mythos 5.1 on 1 September. The company published the pair on anthropic.com.
August 2026
Claude Campus closed
Closed. Spring 2026 in session.
GLM version held
Awaiting confirmation.
OpenAI cuts GPT‑5.6 Sol API and credit prices
On 21 August OpenAI updated its GPT‑5.6 note to cut Sol API and credit prices by more than 20 percent for about three months. The promotional rate is posted as lasting at least through 21 November 2026.
Stripe agrees to acquire OpenRouter
Stripe agreed to acquire OpenRouter on 19 August. Stripe’s newsroom does not disclose a price. Press reported figures above $7 billion, including about $7.5 billion; terms otherwise remain undisclosed by Stripe.
Google launches Gemini 3.7 Flash
Google released Gemini 3.7 Flash around 14 August. Google’s 3.7 post is undated; the later 3.8 Flash note places 3.7 about three weeks earlier.
Anthropic in talks to acquire Decart
Awaiting confirmation.
SpaceXAI launches Grok 4.6
xAI released Grok 4.6 on 12 August. The company posted the launch on x.ai.
OpenAI Student Collective closed
Closed. Undergrad-only.
CBS Executive Education in AI
Sat. Columbia Business School. Workshop.
July 2026
Anthropic launches Claude Opus 5
Anthropic released Claude Opus 5 on 24 July. The company published the model on its news page.
Google launches Gemini 3.6 Flash
Google released Gemini 3.6 Flash on 21 July. The company posted the model on its Gemini blog, with related Flash variants.
xAI launches Grok 4.5
xAI released Grok 4.5 on 16 July. The company posted the launch on x.ai.
OpenAI launches GPT‑5.6 (Sol / Terra / Luna)
OpenAI made the GPT‑5.6 family generally available on 9 July, as Sol, Terra, and Luna. The company posted the launch on openai.com.
June 2026
Anthropic launches Claude Sonnet 5
Anthropic released Claude Sonnet 5 on 30 June. The company published the model on its news page.
Cursor student rate closed
Cursor’s student rate closed on 25 June. The notice sits on the campus lane; it is not an industry release, acquisition, investment, or partnership.
SpaceX announces all-stock acquisition of Anysphere (Cursor)
SpaceX / SpaceXAI announced an all‑stock acquisition of Anysphere (Cursor) on 16 June. The deal closed on 14 August. SpaceX’s 8-K states an implied equity value of Cursor of $60.0 billion.
Anthropic launches Claude Fable 5
Anthropic released Claude Fable 5 on 9 June, with Mythos 5. The company published the pair on its news page.
May 2026
Anthropic closes Series H
Anthropic closed a Series H on 28 May, raising $65 billion at a $965 billion post-money valuation, per the company. Anthropic said it remains private.
Anthropic launches Claude Opus 4.8
Anthropic released Claude Opus 4.8 on 28 May. The company published the model on its news page.
Google makes Gemini 3.5 Flash generally available at I/O
Google made Gemini 3.5 Flash generally available on 19 May during Google I/O. The company posted the launch on its models blog.
April 2026
Microsoft and OpenAI revise their partnership terms
Microsoft and OpenAI revised their partnership on 27 April. Reporting said Microsoft’s exclusive license on OpenAI technology ended, allowing OpenAI to work with other clouds including Amazon.
AI Startup Challenge · Final Competition Day
Sat. Williamsburg, Brooklyn, NY. Chair / host.
OpenAI launches GPT-5.5
OpenAI released GPT-5.5 on 23 April. Details are on OpenAI’s primary launch note.
Anthropic launches Claude Opus 4.7
Anthropic released Claude Opus 4.7 on 16 April. The company published the model on its news page.
Columbia x NYU Claude Builder Club Hackathon
Sat. Geffen Hall, Columbia Business School. Co-chair.
March 2026
OpenAI closes 2026 capital round
OpenAI closed its 2026 capital round on 31 March. The company said $122 billion was committed, at a post-money valuation of $852 billion. Amazon, Nvidia, and SoftBank were named as participants in contemporaneous reporting.
EmpireHacks 2026
Sat. Cornell Tech, Roosevelt Island. Co-host.
Building the Future of Finance with Claude
Sat. CBS Executive Education. Keynote.
GDG NYC Build With AI Hackathon
Sat. Columbia Business School. Mentor.
OpenAI launches GPT-5.4 with a native Computer Use API
OpenAI released GPT-5.4 on 5 March, including a native Computer Use API. The snapshot on the company note is dated 2026-03-05.
February 2026
Mistral AI Worldwide Hackathon · New York
Sat. Verci Flatiron, New York. Judge.
Build with TRAE & MiniMax
Sat. David Geffen Hall, Columbia Business School. Co-host.
Claude Code Workshop · Digital Product Management Lab
Sat. Columbia Business School. Workshop.
AI Club x Iterate NYC Hackathon
Sat. Columbia Business School. Co-chair.
Claude Builder Club Spring 2026 Kick Off
Sat. Columbia University. Chair.
January 2026
AI for Greater Good NYC Kick Off
Sat. New York, NY. Panelist.
September 2025
MathWorks Finance Conference 2025
Sat. Virtual. Speaker.
Go straight to the source.
Company primary sources first, then named outlets. Talks stay talks until a deal closes. Anything unconfirmed is held.