Large Language Models for Voice Agents: Choosing the Right LLM
How to select and optimize LLMs for AI voice agent applications. Covers latency, cost, accuracy, and production deployment.
3 min read
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AI Voice Agent Insights & Guides
Browse older CallSphere articles on AI voice agents, contact center automation, and conversational AI.
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From the blog
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Real-Time AI Applications: Streaming, WebSockets, and Low-Latency Patterns
Building real-time AI applications with Claude -- SSE streaming, WebSocket bidirectional chat, and production latency optimization.
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Retell AI Review 2026: Pros, Cons, and Better Alternatives
Compare CallSphere and Retell AI for AI voice agents. See features, pricing, compliance, and which platform is better for your business.
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Why Salon & Beauty Companies Are Switching to AI Voice Agents in 2026
Learn how AI voice agents help salon & beauty businesses automate appointment booking and more. Covers implementation, ROI, and real-world results.
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Where Citation-Grounded AI Is Heading — and How to Prepare
Cited, grounded AI is becoming the default. See where Claude citation systems are heading — per-claim, action-level provenance — and how to prepare now.
6 min read
How to Measure Citation Grounding in Claude Systems
Citations can look right and be wrong. Measure claim-support rate, abstention, and citation precision to prove your grounded Claude system actually works.
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Building a Cited Support Agent on Claude: A Walkthrough
A real end-to-end build of a Claude support agent that cites every answer — from messy knowledge base to shipped, monitored, span-grounded system.
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Risk Management for Citation-Grounded Claude Answers
Cited Claude answers can fail with confidence. Map the failure modes, contain the blast radius, and build verification and kill-switch guardrails.
6 min read
Citation-Grounded Claude: New Skills Teams Must Learn
Grounding Claude answers with citations reshapes hiring. Learn the new evidence-engineering, eval, and prompt skills your team must build to ship cited AI.
7 min read
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