AI Voice Agents with Multilingual Support for Global Teams
Deploy AI voice agents that speak 30+ languages natively, reducing translation costs and enabling 24/7 global customer support without multilingual hiring.
11 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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Real Estate and Property Management Lens: Retell AI Knowledge Base — RAG Goes Native in Voice
Real Estate and Property Management Lens perspective on Retell shipped first-class knowledge bases for voice agents, removing one of the last reasons to roll your own RAG layer.
9 min read
Real Estate and Property Management Lens: Zep 2.0 — Temporal Knowledge Graphs for Agent Memory
Real Estate and Property Management Lens perspective on Zep 2.0's Graphiti engine adds temporal knowledge graphs to agent memory — the right data structure for fact updates over time.
9 min read
Paxton AI 2026: The Legal Research Agent Disrupting Westlaw
Paxton AI's legal research agent gained 5,000+ firm customers in 2026 by undercutting Westlaw on price. Here's the playbook, the per-seat pricing.
8 min read
Tool-Use Reliability in 2026: What pass^k on tau-bench Tells Us
Even GPT-4o pass-rate drops below 25% under pass^8 on tau-bench retail. Reliability, not capability, is the production bottleneck for tool-using agents.
10 min read
AgentKit in London: How UK Fintechs Are Building Agents in 2026
London fintechs from Canary Wharf to Shoreditch are building production agents on OpenAI AgentKit 1.0 — the patterns that work for FCA-regulated workloads.
9 min read
The MCP Server Every Vibe Coder Needs in 2026 — Code-Review-Graph Deep Dive
Model Context Protocol gave Claude Code superpowers. Code-Review-Graph gave it a memory. Here are the 28 MCP tools that turn your editor into a real agentic IDE.
12 min read
Mistral Medium 3: Frontier-Class Performance, Open API
Mistral released Medium 3, a frontier-class model at a fraction of the price — here's what's new and how it compares. Practical context for teams in Atlanta, GA.
8 min read
Grok in Tesla Vehicles: The In-Cabin AI Push — Berlin View
Grok now ships as the in-cabin assistant in Tesla vehicles — here's what it does and how it compares to alternatives. Practical context for teams in Berlin, Germany.
8 min read
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