{"slug": "uk-banks-offered-access-to-openais-gpt-5-5-amid-exclusion-from-anthropics", "title": "UK banks offered access to OpenAI’s GPT-5.5 amid exclusion from Anthropic’s Glasswing expansion", "summary": "UK banks have been offered access to OpenAI’s GPT-5.5, even as they remain excluded from Anthropic’s Glasswing expansion, which inducted 150 new organizations, including the first outside the US. The move highlights a growing divide in AI access for financial institutions, with OpenAI extending its latest model to UK lenders while Anthropic restricts its cyber-focused initiative to a select group.", "body_md": "**SPONSORED LINKS**\n\n### MOST POPULAR\n\n## EVENTS\n\n-\n### Overcoming the trade-offs in data sovereignty\n\nWhat does data sovereignty actually mean for your network, which trade-offs are unavoidable? Learn more.\n\n-\n### From Prompt to Exploit: How LLMs Are Changing API Attacks\n\nModern applications are API-driven, interconnected, and often over-permissioned, making them an ideal target for AI-assisted attacks.\n\n-\n### Architecting the Future: Unlocking Enterprise Data Services for Kubernetes\n\nJoin us to discover how to eliminate infrastructure silos and establish a standardized, enterprise-grade cloud-native platform.\n\n-\n### Catch the Advanced Attacks Microsoft 365 Misses with Behavioral AI Security\n\nMicrosoft 365 is the backbone of enterprise communication, and its native security filters out the known and the noisy.\n\n-\n### Virtual Cyber Recovery Sim\n\nStep into the chaos of a live ransomware breach, test your response skills, and team up with other IT and security pros to outsmart cybercriminals\n\n-\n### Virtual Cyber Recovery Simulation\n\nRansomware attacks aren’t slowing down, and neither are we. Druva’s hit event, Escape Ransomware, is now fully virtual.\n\n-\n### Agentic AI at Scale: From Pilot to Production\n\nJoin us to learn how to unlock real ROI by driving adoption of AI at scale.\n\n[AI](https://beta.theregister.com/tag/ai)\n\n-\nSecurity\n\n#### UK banks offered access to OpenAI’s GPT-5.5 amid exclusion from Anthropic’s Glasswing expansion\n\n150 new organizations inducted to cyber’s Soho House, including the first outside the US\n\n-\n#### ZTE and partners nurture global ICT talent through 2026 engineering capacity building program\n\nGlobal ICT experts gather in Shenzhen to master cutting-edge engineering practices and foster international collaboration\n\n-\nSaaS\n\n#### Automattic's CMS empire shows cracks as WordPress share falls\n\nWeb publishing giant remains dominant, but 6 straight months of decline suggest era of uninterrupted growth may be over\n\n-\nPublic Sector\n\n#### UK lawmakers call on government to ditch Palantir NHS contract\n\nLock-in to a small number of suppliers holding up digital government plans, committee says\n\n-\nDevOps\n\n#### TypeScript devs no longer need to tangle with C# to use Aspire dev stack after Microsoft update\n\nAspire is a powerful tool for developers but not well understood – and pure TypeScript AppHost may broaden its appeal\n\n[Infosec](https://beta.theregister.com/security)\n\n-\nLegal\n\n#### Citation, please! UK regulator slaps Google with new publishing rules for search\n\nAction follows Chocolate Factory's changes to AI search results\n\n-\nSecurity\n\n#### UK banks offered access to OpenAI’s GPT-5.5 amid exclusion from Anthropic’s Glasswing expansion\n\n150 new organizations inducted to cyber’s Soho House, including the first outside the US\n\n-\n#### ZTE and partners nurture global ICT talent through 2026 engineering capacity building program\n\nGlobal ICT experts gather in Shenzhen to master cutting-edge engineering practices and foster international collaboration\n\n-\nSaaS\n\n#### Automattic's CMS empire shows cracks as WordPress share falls\n\nWeb publishing giant remains dominant, but 6 straight months of decline suggest era of uninterrupted growth may be over\n\n-\nPublic Sector\n\n#### UK lawmakers call on government to ditch Palantir NHS contract\n\nLock-in to a small number of suppliers holding up digital government plans, committee says\n\n[FOSS](https://beta.theregister.com/tag/FOSS)\n\n-\n#### UK banks offered access to OpenAI’s GPT-5.5 amid exclusion from Anthropic’s Glasswing expansion\n\n150 new organizations inducted to cyber’s Soho House, including the first outside the US\n\n-\n#### ZTE and partners nurture global ICT talent through 2026 engineering capacity building program\n\nGlobal ICT experts gather in Shenzhen to master cutting-edge engineering practices and foster international collaboration\n\n-\n#### Automattic's CMS empire shows cracks as WordPress share falls\n\nWeb publishing giant remains dominant, but 6 straight months of decline suggest era of uninterrupted growth may be over\n\n-\n#### UK lawmakers call on government to ditch Palantir NHS contract\n\nLock-in to a small number of suppliers holding up digital government plans, committee says\n\n-\n#### TypeScript devs no longer need to tangle with C# to use Aspire dev stack after Microsoft update\n\nAspire is a powerful tool for developers but not well understood – and pure TypeScript AppHost may broaden its appeal\n\n-\n#### 'Dumbass' criminal breaks the 'first rule of ransomware club'\n\nYou don't infect anyone in Russia or other CIS countries", "url": "https://wpnews.pro/news/uk-banks-offered-access-to-openais-gpt-5-5-amid-exclusion-from-anthropics", "canonical_source": "https://www.theregister.com/security/2026/06/03/anthropic-ups-glasswing-partner-count-4x-uk-banks-snubbed/5250450", "published_at": "2026-06-03 11:04:00+00:00", "updated_at": "2026-06-03 12:12:04.831051+00:00", "lang": "en", "topics": ["artificial-intelligence", "large-language-models", "ai-products", "ai-startups"], "entities": ["OpenAI", "GPT-5.5", "Anthropic", "Glasswing", "UK banks"], "alternates": {"html": "https://wpnews.pro/news/uk-banks-offered-access-to-openais-gpt-5-5-amid-exclusion-from-anthropics", "markdown": "https://wpnews.pro/news/uk-banks-offered-access-to-openais-gpt-5-5-amid-exclusion-from-anthropics.md", "text": "https://wpnews.pro/news/uk-banks-offered-access-to-openais-gpt-5-5-amid-exclusion-from-anthropics.txt", "jsonld": "https://wpnews.pro/news/uk-banks-offered-access-to-openais-gpt-5-5-amid-exclusion-from-anthropics.jsonld"}}