Browse older CallSphere articles on AI voice agents, contact center automation, and conversational AI.
From the blog
60% of follow-up messages have unresolved coreferences. Query rewriting fixes pronouns, expands recall with multi-query, and applies constraint filters before retrieval ever runs.
AI Verify is Singapore's open-source AI governance testing toolkit, and the foundation behind it now drives the world's first ISO standard for testing generative AI. Here is what the framework checks and why US/EU vendors are adopting it.
Add an AI agent to a Twilio Conference as a first-class participant via a TwiML Application. We cover the Add Participant API, mute/coach roles, and CallSphere's three-way escalation pattern.
Safari shipped WebTransport in 26.4 but still trails on Insertable Streams, SVC, and AV1. iOS forces every browser to inherit Safari's gaps. Here is the 2026 parity matrix and how to design around it.
Year-over-year analysis of the agentic AI landscape comparing experimental 2025 chatbots to production multi-agent systems in 2026, with predictions for 2027.
Real agentic AI and multi-agent system interview questions from Anthropic, OpenAI, and Microsoft in 2026. Covers agent design patterns, memory systems, safety, orchestration frameworks, tool calling, and evaluation.
Practical cost reduction strategies for AI agents including semantic caching, intelligent model routing, prompt optimization, and batch processing to cut LLM API spend.
Side-by-side comparison of the top 4 AI agent frameworks: LangGraph, CrewAI, AutoGen, and OpenAI Agents SDK — architecture, features, production readiness, and when to choose each.
Practical patterns for agent safety including prompt injection detection, PII filtering, hallucination detection, output content moderation, and circuit breaker implementations.
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