OpenAI News — 2026-05-31

Strengthening societal resilience with Rosalind Biodefense Product May 29, 2026

URL: http://openai.com/index/strengthening-societal-resilience-with-rosalind-biodefense/

A shared playbook for trustworthy third party evaluations Safety May 29, 2026

URL: http://openai.com/index/trustworthy-third-party-evaluations-foundations/

OpenAI’s Frontier Governance Framework Safety May 28, 2026

URL: http://openai.com/index/openai-frontier-governance-framework/

Building self-improving tax agents with Codex Engineering May 27, 2026

URL: http://openai.com/index/building-self-improving-tax-agents-with-codex/

OpenAI named a Leader in enterprise coding agents by Gartner AI Adoption May 22, 2026

URL: http://openai.com/index/gartner-2026-agentic-coding-leader/

An OpenAI model has disproved a central conjecture in discrete geometry Research May 20, 2026

URL: http://openai.com/index/model-disproves-discrete-geometry-conjecture/

Advancing content provenance for a safer, more transparent AI ecosystem Safety May 19, 2026

URL: http://openai.com/index/advancing-content-provenance/

OpenAI and Dell Technologies partner to bring Codex to hybrid and on-premises enterprise environments Company May 18, 2026

URL: http://openai.com/index/dell-codex-enterprise-partnership/

A new personal finance experience in ChatGPT Product May 15, 2026

URL: http://openai.com/index/personal-finance-chatgpt/