Browse older CallSphere articles on AI voice agents, contact center automation, and conversational AI.
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Anthropic and OpenAI both offer 90%+ prompt cache discounts on stable input. We measured 91% cache hit rates in production — here is the engineering pattern that gets you there.
How AI sales agents automate BDR workflows with inbound lead qualification, outbound batch calling campaigns, real-time transcription, lead scoring, and CRM integration patterns.
How AI agents interact with databases safely using read-only tools for queries, write-through validation layers, and event-driven updates via message queues.
Real AI safety and alignment interview questions from Anthropic and OpenAI in 2026. Covers alignment challenges, RLHF vs DPO, responsible scaling, red-teaming, safety-first decisions, and autonomous agent oversight.
How to run AI agents on edge devices using NVIDIA Nemotron, Meta Llama, GGUF quantization, local inference servers, and offline-capable agent architectures.
Openai agents sdk documentation 2026 tools handoffs tracing: comprehensive guide to the OpenAI Agents SDK covering the Agent class, function tools, agent-as-tool pattern, handoff mechanism, input and output guardrails, and tracing.
The US hair-salon industry is $60B with 1.07M businesses. Houston salons run 35-60% no-show on cancellations within 24h. GlamBook + AI voice agent fixes that with GB-YYYYMMDD-### references.
Deepgram Nova-3 Multilingual cuts batch word error rate ~34% and streaming ~21%. What the accuracy gain actually changes for global voice agents.
Combine Phoenix Channels for streaming audio frames with LiveView for the chat UI. BEAM concurrency means one node can hold tens of thousands of voice sessions.
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