291: Resumão do OpenAI DevDay 2026, Sonnet 5.5, trocentos concorrentes do Jev

<p>Sexta-feira é dia de repercutir as principais notícias da semana, no mundo da IA. Vem ver quem participou desse papo:</p><ul><li><a href="https://www.threads.net/@mvcmendes">⁠⁠Marcus Mendes⁠⁠</a>, host sob controle</li><li><a href="https://twitter.com/fabriciocarraro/">Fabrício Carraro</a>, co-host sob controle, Program Manager da Alura, <a href="https://www.casadocodigo.com.br/products/livro-inteligencia-artificial-chatgpt">autor de IA</a> e host do podcast <a href="https://www.carreirasemfronteiras.com.br/">Carreira Sem Fronteiras</a></li><li><a href="https://www.linkedin.com/in/fernando-fernandes-neto-762a471a/">Fernando Fernandes Neto</a>, pesquisador na Liquid AI</li></ul><p>Links:</p><ul><li><a href="https://www.iasobcontrole.tech/290-como-a-ia-pode-ajudar-a-fortalecer-linguas-indigenas-de-forma-etica-com-claudio-pinhanez/">290: Como a IA pode ajudar a fortalecer línguas indígenas de forma ética, com Claudio Pinhanez</a></li><li><a href="https://www2.statmt.org/wmt26/pdf/2026.wmt-1.4.pdf">Paper do Fabrício sobre Nheengatu</a></li><li><a href="https://openai.com/index/devday-2026-recap">OpenAI detalha todos os anúncios do DevDay 2026</a></li><li><a href="https://openai.com/index/introducing-dots">OpenAI apresenta os dots</a></li><li><a href="https://www.theverge.com/ai-artificial-intelligence/1001681/openai-devday-2026-biggest-news-announcements">The Verge detalha os principais anúncios do DevDay 2026 da OpenAI</a></li><li><a href="https://openai.com/index/introducing-gpt-6-1-sol">OpenAI apresenta o GPT-6.1 Sol</a></li><li><a href="https://x.com/OpenAI/status/2104993966043320759">OpenAI anuncia o modo Ultrafast</a></li><li><a href="https://thenewstack.io/sign-in-with-chatgpt/">OpenAI anuncia o Sign in with ChatGPT</a></li><li><a href="https://the-decoder.com/openai-reopens-its-200-pro-plan-but-cuts-api-credits-in-half-as-it-nudges-users-toward-pay-per-use/">OpenAI reabre assinaturas do plano Pro de $200 por mês</a></li><li><a href="https://www.engadget.com/2272106/openai-adds-dollar500-pro-subscription-nerfs-its-existing-dollar200-tier/">OpenAI anuncia plano Pro de $500 por mês</a></li><li><a href="https://techcrunch.com/2026/09/29/openai-takes-on-microsoft-with-the-launch-of-what-feels-a-whole-lot-like-chatgpts-own-office-suite/">OpenAI anuncia concorrente do Office</a></li><li><a href="https://www.engadget.com/2272248/chatgpt-space-for-work/">OpenAI anuncia o ChatGPT Space</a></li><li><a href="https://techcrunch.com/2026/09/29/openai-gives-codex-