OpenAI's DevDay 2026 featured over 20 new announcements, including the unveiling of GPT-6 Astra. The event also highlighted updates to ChatGPT, Codex, and various APIs. New tools were introduced to support developers building with OpenAI's technologies. AI
IMPACT New model releases and developer tools from OpenAI are expected to accelerate AI development and adoption.
RANK_REASON Frontier-lab model release with system card [lever_c_demoted from frontier_release: ic=1 ai=1.0]
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