CrewAI Studio Review: No-Code Multi-Agent for Ops Teams in 2026
CrewAI Studio brings drag-and-drop agent design to non-engineering teams. What it can and cannot do compared to writing CrewAI code by hand for production teams.
9 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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Time-Travel Debugging in LangGraph 1.0: Checkpoints in Practice — Langgraph time-travel debugging
Langgraph time-travel debugging: langGraph 1.0 ships first-class checkpoints and time-travel rewinds. A walkthrough of how production agent teams use them to fix non-deterministic bugs.
9 min read
Anthropic's MCP Signed Registry: A New Trust Model for Tools
Anthropic launched a signed registry for MCP servers in April 2026. How signing works, what the trust model gives you, and what it does not give you for serious teams.
10 min read
Mem0 1.0: Graph + Vector Memory with Bring-Your-Own-Model Stack
Mem0 1.0 unifies graph and vector memory and makes the embedding/LLM stack pluggable. The architecture, the trade-offs, and a working integration walkthrough.
11 min read
vLLM 2026 Update: Prefix Caching and Disaggregated Prefill Land
vLLM's April 2026 release lands disaggregated prefill, better prefix caching, and FP4 quantization. Throughput numbers from real workloads on H100 and H200 hardware.
11 min read
Adoption Across London, Bangalore, Singapore, and Tokyo: Decagon CX Agents — The Enterprise Cus
Adoption Across London, Bangalore, Singapore, and Tokyo perspective on Decagon's growth in enterprise CX shows there is room for multiple winners in the customer experience agent space.
9 min read
Adoption Across London, Bangalore, Singapore, and Tokyo: Deepgram Aura 2 — TTS Optimized for Vo
Adoption Across London, Bangalore, Singapore, and Tokyo perspective on Aura 2 is Deepgram's TTS engine tuned for the latency and prosody constraints of real-time voice agents.
9 min read
Adoption Across London, Bangalore, Singapore, and Tokyo: Devin 4 — The Autonomous Engineer Grow
Adoption Across London, Bangalore, Singapore, and Tokyo perspective on Devin 4 ships with longer task horizons, better PR quality, and pricing that finally makes economic sense for production tea
9 min read
Adoption Across San Francisco, New York, Boston, and Austin: Gemini 3 Pro — Google's Agent-Era
Adoption Across San Francisco, New York, Boston, and Austin perspective on Gemini 3 Pro lands with longer context, native multimodality, and tool-use upgrades that put it back in the Claude/GPT c
9 min read
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