OpenAI AI Updates: October 28, 2026
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1. OpenAI Expands Oracle Partnership to Bring Oracle Business Apps and Agents Into ChatGPT
OpenAI. OpenAI and Oracle are expanding their partnership to bring Oracle business applications and AI agents into ChatGPT. The expanded agreement also has OpenAI powering new Oracle offerings. OpenAI’s feed summary does not list the specific Oracle applications or availability dates. Source
2. Codex CLI 0.165.0 Adds a Built-In Vertex AI Provider, GPT-6.1 Terra, and Memory v2 by Default
OpenAI. Codex CLI 0.165.0 adds a built-in Google Cloud Vertex AI provider, configured with model_provider = "gcp", and adds GPT-6.1 Terra to the model catalogs. Reasoning effort changes during a conversation are now enabled by default for supported models, and memory v2 is the default for fresh profiles, with support for importing memories from external agents. The release also adds a repository filter to the session picker, experimental attached thread forks in the app-server API, and AWS SigV4 signing in the network proxy. Fixes include cancelling remote MCP tool requests when their local futures are dropped, stopping retries when a provider reports a model was not found, and closing a marketplace URL validation gap that could let Git connect to a different host than the one checked against allowed patterns. Source
3. Check Point Uses OpenAI Daybreak to Speed Up Vulnerability Research
OpenAI. OpenAI published a customer story on Check Point, which uses OpenAI Daybreak to speed up the research behind new security protections. According to the post, Daybreak lets Check Point analysts turn vulnerability intelligence into customer defenses faster. Source
4. Retell Reports GPT-6 Astra Tops Its Voice Agent Benchmark Across 100M Monthly Calls
OpenAI. OpenAI published a customer story on Retell, which uses OpenAI models to help power 100 million calls per month. GPT-6 Astra tops Retell’s internal voice agent benchmark, and Retell credits Codex with helping it reach a $1.6M annual revenue run rate per employee. Source