Browse older CallSphere articles on AI voice agents, contact center automation, and conversational AI.
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Compare open-source text-to-SQL models including SQLCoder, NSQL, and DeFog SQLCoder. Learn how to deploy them locally, fine-tune on your schema, and evaluate accuracy against commercial alternatives.
Discover how plan-and-execute agent architectures split high-level reasoning from step-by-step execution, enabling robust replanning on failure and efficient handling of complex multi-step tasks.
Learn how to build an AI agent that recognizes hand-drawn diagrams on whiteboards, classifies shapes and connections, and generates working code including Mermaid diagrams, database schemas, and API stubs.
What attestation level your AI calls actually receive, why Level A is the only one that lights up Caller Verified on the receiver's screen, and how to get there with a Twilio-style trust profile.
Piper 1.4.2 ships ONNX voices that synthesize on a Raspberry Pi 5 in real time. Here's a full Python voice agent with Piper, faster-whisper, and Ollama — no GPU required.
Learn how to build AI agents that chain multiple tools together sequentially, passing intermediate results through dependency graphs while handling errors gracefully across the entire pipeline.
Construct a multi-agent research system with four specialized agents — Scientist, Librarian, Analyst, and Writer — that collaborate on source discovery, analysis, and paper generation with complete Python code.
How to bridge a Twilio Media Streams WebSocket to OpenAI Realtime in production: codec conversion, interruption handling, and the timeouts that actually matter.
Learn how to build a video analysis agent that samples frames intelligently, detects and tracks objects across time, classifies events, and generates structured timelines for surveillance, sports, and content analysis applications.
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