Browse older CallSphere articles on AI voice agents, contact center automation, and conversational AI.
From the blog
Healthcare Practice Use Case perspective on Retell shipped first-class knowledge bases for voice agents, removing one of the last reasons to roll your own RAG layer.
Healthcare Practice Use Case perspective on Zep 2.0's Graphiti engine adds temporal knowledge graphs to agent memory — the right data structure for fact updates over time.
The Gemini Nano developer API lets Android apps run inference on-device with zero cloud cost — here is how it works. Lens: hospitality. A 2026 builder briefing.
Llama 4 Scout fits on a single H100 and ships a 10M-token context window — the new edge AI default. Practical context for teams in Illinois.
The Grok 4 API is open to developers in 2026 — here's the pricing, quotas, and an honest review of the developer experience. Lens: IT and MSPs.
Codestral 25.05 is Mistral's refresh of the coding model line — here's what's new, the benchmarks, and how to deploy. Practical context for teams in Toronto, Canada.
Boston-area hospitals and health systems are piloting ChatGPT Operator 2.0 for patient outreach, scheduling, and insurance workflows — early results.
By April 2026 the Trump administration's three AI EOs from Jan-Feb 2025 are operational, with OMB implementation in full swing and a new EO on AI export rules expected.
BIS published an interim final rule on April 18, 2026 tightening AI chip export controls and introducing for the first time controls on certain frontier model weights.
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