Browse older CallSphere articles on AI voice agents, contact center automation, and conversational AI.
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Healthcare Practice Use Case perspective on Devin 4 ships with longer task horizons, better PR quality, and pricing that finally makes economic sense for production teams.
Healthcare Practice Use Case perspective on tau-bench measures multi-turn tool use against simulated users — the right benchmark for production agent decisions.
A practical engineering deep dive into Claude Code 2.1 skills, covering architecture, tradeoffs, and what production teams need to know about developer tooling.
Three frontier models, three pricing strategies — Mistral Medium 3, Claude Opus 4.7, Gemini 3 Pro compared head-to-head. Lens: sales teams. A 2026 builder briefing.
SMB Founder Playbook perspective on Swarm 2.0 cleans up the original prototype into a real production library for agent handoffs.
Freshworks shipped Freddy AI Agent updates in April 2026 — autonomous workflows, a native voice channel, and a sharper enterprise pitch. The buyer briefing for the next RFP cycle.
CallSphere runs GPT-4o-mini on every call: sentiment, lead score, intent, topics, satisfaction, escalation flag. Vapi has no native analytics layer.
Trace every turn, every tool call, every LLM round-trip with OpenTelemetry shipped to Langfuse. Find latency outliers, debug hallucinations, and watch p95 stay under 800ms.
Vapi's five flagship features — Squads, Flow Studio, Function Calling, Knowledge Base, Phone Numbers — and how CallSphere ships better versions of each.
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