AI Leaders Weekly Briefing

May 15, 2026

The Musk v. Altman trial concluded as OpenAI launched a $4 billion deployment unit and Anthropic expanded its enterprise reach and more.

• The landmark trial between Elon Musk and OpenAI concluded with closing arguments as jurors began deliberations; proceedings featured testimony from CEO Sam Altman, former chief scientist Ilya Sutskever, and Microsoft CEO Satya Nadella regarding the company's founding mission and leadership conflicts. ^{1234567891011121314151617181920212223}
• OpenAI launched the OpenAI Deployment Company (DeployCo), a new unit backed by over $4 billion from 19 partners including Brookfield and TPG, aimed at embedding engineers within corporations to accelerate the integration of frontier AI models. ^{24252627282930}
• Anthropic expanded its market presence by launching Claude for Small Business and establishing strategic partnerships with PwC and the Gates Foundation, while data from Ramp suggests the firm has surpassed OpenAI in verified business customer counts. ^{313233343536373839}
• Major tech players advanced their agentic capabilities, with OpenAI releasing the Codex mobile app and 'Daybreak' for cyber defense, xAI launching the Grok Build coding agent in beta, and Moonshot AI debuting the Kimi WebBridge browser extension. ^{40414243444546474849}
• Security concerns surfaced as OpenAI responded to a supply chain attack on the TanStack open-source library that targeted macOS users, though the company clarified that no user data was compromised during the incident. ⁵⁰⁵¹⁵²
• Anthropic faced scrutiny regarding its 'Mythos' model, briefing the U.S. House Homeland Security Committee on its development while warning investors that secondary market share transfers through unauthorized sellers are considered void. ^535455565758
• Other notable developments include Runway's expansion into Japan with a $40 million commitment, SoftBank reporting a $12 billion profit fueled by OpenAI stake gains, and new lawsuits against OpenAI involving alleged data sharing and a fatal overdose case linked to chatbot advice. ^{5960616263646566}

Sources

1. Altman: in closing arguments, Musk's attorney doubled down on claims of Altman's untrustworthiness, while OpenAI's lawyer said Musk has no evidence Techmeme
2. Musk lawyers accuse OpenAI of deception in close of mega-trial Axios
3. Live Updates: OpenAI Lawyer Defends Sam Altman From Character Attacks as Trial Nears End The New York Times
4. Musk, OpenAI lawyers begin closing arguments in landmark trial that could shape AI's future AP News
5. OpenAI trial wraps up with testimony about Reid Hoffman, a trophy, and a Musk outburst Business Insider
6. OpenAI exec claims Elon Musk called him donkey during AGI safety argument, here is why Digit
7. Altman: Microsoft executive Michael Wetter testifies that Microsoft has spent $100B+ on OpenAI, including its investments and to build infrastructure Techmeme
8. Musk flew to China as OpenAI trial nears its end, after judge warned he could be called back into court CBS News
9. Altman’s Lawyers Accuse Musk’s Team Of Misleading OpenAI Trial Jury Forbes
10. Altman forced to confront claims at OpenAI trial that he's a prolific liar Ars Technica
11. A Stolen Charity or Sour Grapes? Musk's OpenAI Suit Is in Jury's Hands. The New York Times
12. OpenAI s Altman testifies he was extremely uncomfortable with the idea of Musk being named CEO Yahoo Finance
13. How Much Power Did Microsoft Have Over OpenAI? The New York Times
14. Microsoft Exec Backed OpenAI Deal Amid Concerns, Jury Told - Law360 Law360
15. OpenAI chief Altman to take stand in OpenAI-Musk trial on Tuesday Reuters
16. Sam Altman Testifies That Elon Musk Wanted Control of OpenAI The New York Times
17. Ilya Sutskever Stands by His Role in Sam Altman’s OpenAI Ouster: ’I Didn’t Want It to Be Destroyed’ Wired
18. OpenAI Brings Its Ass to Court Wired
19. Ex-OpenAI exec Sutskever says he spent a year gathering proof of alleged Altman dishonesty CNA
20. Satya Nadella Proud Of OpenAI Investment Amid Elon Musk's Lawsuit Against Sam Altman NDTV
21. OpenAI made Sam Altman harder to fire Business Insider
22. Musk’s desire to control OpenAI was ‘hair raising’ The Telegraph
23. Sutskever Says His OpenAI Stake Worth About $7 Billion Bloomberg
24. OpenAI’s DeployCo Signals New AI Services Race for Indian IT Firms The Hans India
25. OpenAI's $4 billion response to Anthropic: New unit for aggressive AI push in corporates Mint
26. OpenAI revenue chief Dresser says enterprise AI adoption is 'at a tipping point' CNBC
27. Brookfield to Invest $500 Million in Strategic Partnership with OpenAI BNN Bloomberg
28. OpenAI Acquires Tomoro, Gets Access 150 Forward Deployed Engineers For The OpenAI Deployment Company OfficeChai
29. OpenAI launches the OpenAI Deployment Company OpenAI
30. OpenAI creates new unit with $4 billion investment to aid corporate AI push | Reuters Reuters
31. Anthropic and PwC expanded their strategic alliance to deploy Claude Anthropic
32. Anthropic forms $200 million partnership with Gates Foundation Anthropic
33. Anthropic courts mom-and-pop shops with Claude for Small Business Fast Company
34. Anthropic now has more business customers than OpenAI, according to Ramp data TechCrunch
35. Anthropic Was Behind. Now It’s the AI Boom’s Front-Runner. The Wall Street Journal
36. Anthropic Flexes Pricing Power as Its Customers Willingly Eat the Cost The Information
37. Anthropic introduces Claude for Small Business Anthropic
38. Thomson Reuters Connecting Anthropic's Claude to CoCounsel Legal Product Morningstar
39. OpenAI just lost its enterprise AI crown to Anthropic Business Insider
40. Moonshot AI launches Kimi WebBridge browser extension Moonshot AI
41. OpenAI discusses Sea's adoption of Codex for agentic development OpenAI
42. OpenAI launches Codex mobile app for ChatGPT OpenAI
43. xAI launches Grok Build coding agent in early beta xAI
44. OpenAI details Windows sandbox for Codex coding agent OpenAI
45. Runway introduces Runway Agent, a creative partner for video Runway
46. OpenAI showcases NVIDIA's use of Codex with GPT-5.5 OpenAI
47. OpenAI Launches 'Daybreak' to Help Build Secure By Design Software Infosecurity Magazine
48. OpenAI introduces Daybreak for cyber defense OpenAI
49. OpenAI Introduces Realtime Voice AI for Translation, Transcription, and Task Handling eWeek
50. OpenAI Tells Mac Users to Update Apps After Software Supply Chain Attack PCMag
51. OpenAI says no user data breached after security issue with open-source library Reuters
52. OpenAI responded to the TanStack npm supply chain attack OpenAI
53. Anthropic’s Reported $30B Funding Talks Spotlight AI’s Growing Role in Cybersecurity, Defense GovCon Wire
54. Anthropic s Mythos is evolving faster than expected, reports AI safety agency Yahoo Tech
55. Anthropic, OpenAI tokens plunge as AI firms say pre-IPO share transfers are invalid CoinDesk
56. Anthropic to brief House Homeland Security panel about Mythos in closed-door meeting The Hill
57. The US DOD says it is deploying Mythos to find and patch software vulnerabilities across the US government, even as it works on a transition away from Anthropic Techmeme
58. Anthropic names eight unauthorized secondary market sellers of its shares, including Hiive and Forge Global, warning that any share transactions there are void Techmeme
59. Runway expands into Japan Runway
60. Florida pushes into 'uncharted' legal territory with OpenAI probe WUFT
61. OpenAI sued for allegedly sharing user data with Google and Meta India Today
62. Lawsuit seeks to halt ChatGPT Health Becker's Hospital Review
63. OpenAI faces lawsuit in California court claiming chatbot gave advice that led to fatal overdose CNA
64. SoftBank profit more than triples to $12 billion on OpenAI stake gains Reuters
65. OpenAI solidifies ad platform ambitions with ChatGPT Ads Manager Yahoo Finance
66. Runway explains how real-time video generation transforms online interaction Runway