1h prompt cache is nuanced actually. It costs more for cache writes, and less for cache reads. Whether you benefit from cheaper cache reads depends on your usage pattern — context window size, whether the query is the main agent or subagent, etc. We have been testing a
LLMS
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Prompt Cache Pricing: Read vs Write Cost Trade-offs
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1h prompt cache is nuanced actually. It costs more for cache writes, and less for cache reads. Whether you benefit from cheaper cache reads depends on your usage pattern — context window size, whether the query is the main agent or subagent, etc. We have been testing a
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Rewriting SOUL Files for GPT-5.4 Agent Migration
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I rewrote every single SOUL file for my OpenClaw agents using this as a reference. If you're moving to GPT-5.4, this is a must-do. But don't just copy-paste it. Ask your agent to create a version specific to YOU based on everything it already knows about you. x.com/Saboo_Shubham_…
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Medical AI Leader Returns: Latest Advances in Healthcare AI
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another @raais alum returns! excited to host @vivnat – he leads medical and scientific ai at @GoogleDeepMind – from Med-PaLM to AMIE to the AI co-scientist…some of my favorite work his last talk was in 2023, the early days of LLMs in healthcare come along for the latest!
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Update soul files specifically for GPT-5.4
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Getting much better. Make sure to update the soul files specifically for Gpt-5.4
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LLMs Assessment for Clinical Diagnosis: Safety and Reasoning Limitations
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Assessment of 21 LLMs for generating a differential diagnosis
"Off-the-shelf LLMs have not yet achieved the intelligence required for safe deployment and
remain limited in demonstrating advanced clinical reasoning." https://
jamanetwork.com/journals/jaman
etworkopen/fullarticle/2847679?utm_campaign=articlePDF&utm_medium=articlePDFlink&utm_source=articlePDF&utm_content=jamanetworkopen.2026.4003
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Harvard Study: AI Safety Models Withhold Critical Medical Advice
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Harvard just proved the "safest" AI models cause the most medical harm. AI safety models refuse life-saving medical advice to patients. Then give it freely when you pretend to be a doctor. A new benchmark tested 60 medical emergencies across six major models. Same clinical
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Models as Components: Infrastructure and Orchestration Matter Most
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My biggest takeaway: Models are becoming components, not products. What matters now is the system around them: → runtimes
→ memory
→ tool access
→ orchestration
→ secure execution environments That is what turns a model into an agent, and an agent into something the -
Hybrid Strategy: Combining Proprietary and Open Models
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The second misconception I keep seeing: Too many teams think they have to choose between open models and proprietary models. They do not. The smarter path is hybrid. → proprietary models for scale and broad capability
→ open models for flexibility and control
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Claude Mythos Hacking Capabilities and Security Implications
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This is yet another example of Claude Mythos’s incredible hacking capabilities. I expect we’ll see more examples and independent evaluations in the coming weeks that make clear just how powerful (and dangerous, in the wrong hands) this model could be.