Catching Performance Regressions in AI Agent CI Pipelines
Standard benchmarks miss agent regressions because they grade only final outputs. Trajectory-aware evals in CI catch the 20–40% of regressions that single-turn scoring hides.
11 min read
Archive page 478 of 1224
AI Voice Agent Insights & Guides
Browse older CallSphere articles on AI voice agents, contact center automation, and conversational AI.
11,016 articlesArchive page 478
From the blog
Latest articles
Build a CallSphere-Style Outbound Voice Campaign Tool
Replace expensive outbound SDR tooling with a self-hosted dialer that runs OpenAI Realtime agents at 100 concurrent calls. Full architecture and code.
13 min read
Bangalore Healthcare AI Agents: Apollo, Manipal, Narayana 2026
Apollo, Manipal, and Narayana scaled AI agents across Bangalore in 2026. Here's the deployments across radiology, intake, and follow-up, the costs.
8 min read
Retail AI Agents 2026: Walmart, Target, Best Buy Rollouts
Walmart, Target, and Best Buy scaled customer-facing AI agents in 2026 across web and mobile channels. We profile the deployments, the vendors.
10 min read
Voice AI market April 2026 roundup — CallSphere, Vapi, Retell
April 2026's voice AI market is consolidating around five names — CallSphere, Vapi, Retell, Hippocratic AI, and Sierra — each defining a distinct vertical posture.
6 min read
Brex vs Ramp AI Agents 2026: The Spend Management Showdown
Brex and Ramp both shipped autonomous AI agents in 2026 — for receipts, approvals, and vendor management. Here's the head-to-head comparison, the bundled pricing.
11 min read
Migration Guide: Moving from Sonnet 3.5 to Claude Sonnet 4.6
A practical engineering deep dive into Claude Sonnet 4.6 migration, covering architecture, tradeoffs, and what production teams need to know about model upgrade.
6 min read
Anthropic Skills System: Loadable Tool Packs for Claude Agents
An agentic-AI perspective on Anthropic Skills system, covering orchestration patterns, tool use, and how agent tooling fits production agent stacks.
8 min read
Prompt Injection Defense Patterns for April 2026 Agent Stacks
Prompt injection is still the top open agent security risk in 2026. The five defense patterns that work, and the two that do not — with real attack-and-defend examples.
11 min read
Subscribe to our newsletter
Get notified when we publish new articles on AI voice agents, automation, and industry insights. No spam, unsubscribe anytime.
Ready to see AI voice agents in action?
Try our live demo -- no signup required. Talk to an AI voice agent right now.