OpenAI Blog ● Covered by 3 sources
OpenAI released GPT-4o, a new AI model, and expanded free access to ChatGPT capabilities. GPT-4o processes text, images, and audio with latency of 232 milliseconds for voice interactions. Users on the free tier now gain access to features previously limited to paid subscribers.
Introducing GPT-4o and making more capabilities available for free in ChatGPT.
AI #176 Part 1: Doing It Live
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New in ChatGPT for Business: April 2025
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Introducing GPT-Live
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Introducing GPT‑Live
Simon Willison · 1 week ago
The daily briefing
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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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