Skills vs Tools: Why Anthropic Split the Concepts
A practical engineering deep dive into Anthropic Skills vs tools, covering architecture, tradeoffs, and what production teams need to know about Claude API design.
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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Claude After-Hours Escalation Patterns for Mid-Market Businesses
Why Claude after-hours AI is reshaping voice and chat automation, with concrete patterns for overflow AI in production deployments. A field-tested view from production teams shi...
8 min read
Adoption Across London, Bangalore, Singapore, and Tokyo: Gemini 3 Pro — Google's Agent-Era Flag
Adoption Across London, Bangalore, Singapore, and Tokyo perspective on Gemini 3 Pro lands with longer context, native multimodality, and tool-use upgrades that put it back in the Claude/GPT conve
9 min read
Adoption Across London, Bangalore, Singapore, and Tokyo: Google Antigravity — The Agent-First I
Adoption Across London, Bangalore, Singapore, and Tokyo perspective on Antigravity is Google's answer to Cursor and Windsurf — an IDE built around long-running, parallel agent workflows.
9 min read
Adoption Across London, Bangalore, Singapore, and Tokyo: GPT-5.5 Release — What Changed for Age
Adoption Across London, Bangalore, Singapore, and Tokyo perspective on GPT-5.5 ships with smarter routing, faster tool use, and expanded thinking budgets — here is what matters if you are buildin
9 min read
Adoption Across London, Bangalore, Singapore, and Tokyo: OpenAI AgentKit 1.0 — The Hosted Agent
Adoption Across London, Bangalore, Singapore, and Tokyo perspective on AgentKit 1.0 is OpenAI's bid to own the agent runtime layer — visual builder, hosted state, and one-click deploy.
9 min read
Adoption Across London, Bangalore, Singapore, and Tokyo: OpenAI Codex CLI — The Terminal-First
Adoption Across London, Bangalore, Singapore, and Tokyo perspective on Codex CLI is OpenAI's answer to Claude Code and Aider — a model-agnostic agentic terminal for code.
9 min read
Adoption Across London, Bangalore, Singapore, and Tokyo: ChatGPT Operator 2.0 — General-Availab
Adoption Across London, Bangalore, Singapore, and Tokyo perspective on Operator 2.0 hit GA with task templates, scheduled runs, and a developer API for embedding browser agents into custom apps.
9 min read
Adoption Across London, Bangalore, Singapore, and Tokyo: OpenAI Swarm 2.0 — Handoffs Done Right
Adoption Across London, Bangalore, Singapore, and Tokyo perspective on Swarm 2.0 cleans up the original prototype into a real production library for agent handoffs.
9 min read
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