OpenAI Blog
OpenAI is holding a final live event for OpenAI Five on April 13 at 11:30am PT. This marks the conclusion of the OpenAI Five project, which previously demonstrated AI systems playing competitive Dota 2. The event represents the end of OpenAI's public showcase of this particular AI initiative.
We’ll be holding our final live event for OpenAI Five at 11:30am PT on April 13.
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TLDRocket
21 July 2026
The open-weight AI model market hit an inflection point today as Alibaba and Kimi released trillion-parameter competitors that challenge the closed-model orthodoxy—just as Washington moved to restrict them. Alibaba's Qwen 3.8 Max (2.4 trillion parameters) and Kimi K3 (2.8T) are going open-weight, with K3 ranking first on Frontend Web App Arena and fourth on agentic benchmarks, signaling that scale and transparency can coexist. The timing matters: while U.S. policymakers weigh layered restrictions on Chinese open models, technical experts are pushing back hard, arguing that closed gardens actually hurt security and competition more than they help. The real fragmentation risk isn't technical—it's regulatory.
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