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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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Triage to specialist to return-to-orchestrator pattern explained with code. CallSphere's OpenAI Agents SDK handoffs vs Vapi Squads' linear chain.

9 min read

Goal trees decompose complex objectives into manageable subgoals. The 2026 patterns for building, traversing, and pruning them in production.

8 min read

Horizontal scaling for LLM-backed APIs has surprises traditional APIs do not. The 2026 patterns and the pitfalls that bite.

7 min read

Pure dense retrieval is not enough. The 2026 hybrid search stack that combines BM25, dense, ColBERT-V2, and learned sparse vectors.

8 min read

Indirect prompt injection is the top agentic-AI vulnerability of 2026. The ten attack vectors actually being exploited in production.

8 min read

InsuranceApr 24, 2026

Insurance claims triage is one of the largest measurable ROI use cases for agentic AI in 2026. The architectures and the LAE numbers.

8 min read

Patterns and pitfalls for putting LLMs inside CRMs in 2026 — auth, audit, data residency, and the integrations that actually pay back.

8 min read

Late-interaction retrievers like ColPali and Jina-ColBERT changed how RAG works on documents and images in 2026. The architecture and where it wins.

8 min read

Picking an LLM is choosing two of three: latency, quality, cost. The 2026 framework for explicit trade-offs and how to negotiate them.

8 min read

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