The day in AI, compiled

OpenAI Developers@OpenAIDevs𝕏

GPT-Realtime-2.1-mini adds reasoning and tool use at same cost

• New model GPT-Realtime-2.1-mini adds reasoning and tool use capabilities.
• Priced the same as GPT-Realtime-mini.
• Available in the API.

Use Fable 5 to detect and remove malware from registry

• Fable 5 found a hidden PowerShell persistence entry in the Run registry key.
• It correctly identified the entry as an active compromise and offered to help.
• After removal, Fable 5's safety filters flagged the interaction and downgraded the session.

Mento@mentalist_ai𝕏

Domain flipping with ChatGPT: $14 to $13,000 in 16 days

“Hızlı olmak, zengin olmaktan iyidir. Onu kanıtlamak istedim.”

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• Prompt ChatGPT to find a tech term that will trend in 30 days and check .com availability.
• Use a simple scraper (written by ChatGPT) to monitor term mentions in niche podcasts.
• Register the domain quickly and sell to a founder for thousands.

Ai Girllie@Inshrah_ali_𝕏

Ultra-realistic AI UGC beauty ad with full scene breakdown

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• Specify style, main character, and each scene with timing, camera angle, and action.
• Include macro shots, product close-ups, and realistic skin texture.
• Use cinematic lighting, 24 fps, and no text/watermark for premium look.

Beijing plans to curb overseas access to China's top AI models

• Policy move could limit global availability of Chinese AI models.
• Sources indicate government is looking at curbing access.
• May impact international AI development and collaboration.

Jacobian Lens on open models yields hallucination router with 0.84 AUC

• Fitted Jacobian lenses on Gemma 4 E4B, 12B, abliterated, 26B MoE, and Qwen 3.6 27B.
• On Gemma E4B, clean workspace = 77% correct, noisy = 42% correct.
• Logistic regression router on workspace features achieves AUC up to 0.843 on Gemma 12B.

atomic.chat@atomic_chat_hq𝕏

Hunyuan Hy3 matches Gemini 3.5 on physics coding at 35x lower cost

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• Hy3 used 29,757 tokens ($0.006) vs Gemini 23,300 tokens ($0.21).
• Hy3 produced clean collisions, realistic momentum, no clipping.
• GLM-5.2 strong on pure coding but weak on physics.

Delba@delba_oliveira𝕏

Claude Code /cd command moves session to new directory

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• The command moves the session to a new directory.
• Conversation and context are preserved.
• Claude picks up the new project's CLAUDE.md.

Alex Oak@alexoakdev𝕏

Walking app with financial stakes drives engagement

“You bet money on whether you’ll actually hit your 10k steps today. Imagine if being lazy actually cost you money.”

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sprint@sspriint𝕏

39 paying customers generated $147k revenue with $0 marketing

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• Priced at ~$3,800 per customer instead of low subscriptions.
• No ads or launch; all customers came via word of mouth.
• Focus on few high-paying users rather than many free users.