Tibor Blaho

Everything new from OpenAI and Anthropic this week (Week 22, 2026) This past week, OpenAI launched Rosalind Biodefense with trusted access to their GPT-Rosalind life sciences model for developers and select government partners

Weekly OpenAI and Anthropic news summary (Week 21, 2026) OpenAI announced that an internal reasoning model autonomously disproved Erdős's 1946 planar unit distance conjecture, a long-standing open problem in discrete geometry

OpenAI and Anthropic news from the past week (Week 20, 2026) OpenAI launched the OpenAI Deployment Company with Tomoro acquisition, shared Daybreak vision for cybersecurity, brought Codex into the ChatGPT mobile app with Remote SSH

The week in OpenAI and Anthropic news (Week 19, 2026) OpenAI rolled out GPT-5.5 Instant as the new ChatGPT default model with memory sources and ChatGPT for Excel and Google Sheets globally

OpenAI and Anthropic news roundup (Week 18, 2026) OpenAI open-sourced Symphony spec for Codex orchestration, published "Our principles" post, announced amended Microsoft partnership, achieved FedRAMP Moderate authorization, posted commitment to community safety

What happened at OpenAI and Anthropic this past week (Week 17, 2026) OpenAI released GPT-5.5 and GPT-5.5 Pro with expanded Codex capabilities, launched ChatGPT Images 2.0 with thinking mode, rolled out workspace agents in research preview

OpenAI is working on a new model selector experiment that you might have noticed during the ChatGPT Images 2.0 livestream Moved directly to prompt composer (again), including submenu for thinking effort, and a keyboard shortcut to toggle between Instant & Thinking model (Ctrl + M / ^M)

Your OpenAI and Anthropic weekly digest (Week 16, 2026) OpenAI announced Cloudflare Agent Cloud partnership with OpenAI frontier models including GPT-5.4, Agents SDK update with native sandbox execution and model-native harness

OpenAI and Anthropic week in review (Week 15, 2026) OpenAI published industrial policy ideas for the Intelligence Age, announced Safety Fellowship pilot program, acquired Cirrus Labs for agent infrastructure

Here's what happened with OpenAI and Anthropic this past week (even with OpenAI on company-wide spring break) OpenAI closed $122B funding round at $852B valuation with $2B monthly revenue, launched ChatGPT in Apple CarPlay, acquired media company TBPN

After a weekend of testing and working on something with GPT-5.3-Codex & Opus 4.6, ChatGPT Pro + Claude Max 5x are still the best combo in my opinion