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How We Used Codex to Ship Sora for Android in 28 Days

OpenAI Blog 12 December 2025, 00:00

OpenAI deployed Sora to Android in 28 days using Codex to accelerate development through AI-assisted coding and planning. The team completed the project in 28 days using parallel coding workflows and automated code translation. This speed enabled a small team to ship a complex video generation app to a new platform faster than typical mobile development cycles.

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OpenAI shipped Sora for Android in 28 days using Codex. AI-assisted planning, translation, and parallel coding workflows helped a nimble team deliver rapid, reliable development.

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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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How We Used Codex to Ship Sora for Android in 28 Days

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