TLDR
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6 days ago
OpenAI released GPT-5.6, a new model family with three tiers—Sol, Terra, and Luna—across ChatGPT, Codex, and its API, rolling out globally starting today. Sol costs $5 input and $30 output per million tokens, Terra costs $2.50 input and $15 output, and Luna costs $1 input and $6 output per million tokens. The release adds multi-agent coordination through an ultra setting, stronger artifact generation for presentations and documents, and improved performance on coding, cybersecurity, and scientific tasks.
The Neuron
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6 days ago
OpenAI is discontinuing ChatGPT Atlas, its standalone desktop browser, in favor of a new unified ChatGPT desktop app that includes a Work agent and browser capabilities. The deprecation date is set for August 9, 2026. Users will migrate to the new desktop app, which also offers a Chrome plugin for those preferring to stay in their existing browser.
OpenAI Blog
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6 days ago
Deutsche Telekom integrated OpenAI's technology across customer service, employee workflows, and network operations to shift toward AI-native telecommunications infrastructure. The company deployed the system across multiple business divisions without disclosing specific adoption metrics or performance improvements. This integration changes how Telekom handles customer interactions and internal processes, though the concrete impact on service quality or operational efficiency remains unspecified.
Latent Space
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6 days ago
OpenAI released GPT-5.6 in three sizes (Sol, Terra, Luna) with a new "ultra" reasoning mode that coordinates multiple agents in parallel to handle complex tasks. Terra matches Claude Fable 5's performance in one-third the time at one-quarter the cost, while Luna outperforms Opus 4.8 at roughly one-sixth the cost per task. OpenAI integrated these models into ChatGPT Work, a new desktop app merging Codex and ChatGPT, along with multi-agent capabilities and programmatic tool calling to support automated workflows.
Simon Willison
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6 days ago
OpenAI published clarification language explaining how ChatGPT Work handles data across cloud and desktop environments, with cloud conversations remaining separate from desktop threads. The company specified that desktop Work can access local files and apps with permission, while cloud Work conversations do not sync to the desktop application. The clarification addresses confusion about data storage and separation in ChatGPT's work-focused features.
Platformer
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6 days ago
OpenAI released GPT-5.6 in three versions (Luna, Terra, and Sol) alongside other product updates, with Sol demonstrating superior performance to Anthropic's Claude Fable on several benchmarks. The Sol model showed measurable improvements on reasoning tasks and coding evaluations, with early users noting gains in speed and complex work capabilities. OpenAI simultaneously announced that Fidji Simo, its No. 2 executive, would step down due to chronic illness, joining multiple other high-profile departures from the company this year.
