Claude Opus 4.7 Tool Use Reliability at 1M Tokens: What We Measured
A practical engineering deep dive into Claude Opus 4.7 tool use, covering architecture, tradeoffs, and what production teams need to know about function calling.
Browse older CallSphere articles on AI voice agents, contact center automation, and conversational AI.
From the blog
A practical engineering deep dive into Claude Opus 4.7 tool use, covering architecture, tradeoffs, and what production teams need to know about function calling.
A practical engineering deep dive into Constitutional AI 3.0 production, covering architecture, tradeoffs, and what production teams need to know about AI guardrails.
Google's A2A protocol lets agents discover and call other agents across vendor boundaries. The spec, the agent-card flow, and what it competes with in the agent stack.
Bedrock AgentCore adds memory primitives, tool gateways, and runtime services to the Bedrock agent stack. The architecture explained for real production builders.
Three reranker families dominate 2026 with different pricing and accuracy profiles. Quality on real RAG datasets, latency, and price-per-million ranked pairs measured.
CrewAI Enterprise adds the controls compliance teams need. SSO, RBAC, audit logs, and where the gaps still are for HIPAA workloads in healthcare deployments.
Stuffing the whole memory buffer into the prompt is a token-bill grenade waiting to explode. The memory-aware prompt patterns that cut cost by 4x in production.
Real Estate and Property Management Lens perspective on Stagehand 2.0 stabilized the browser-agent SDK that everyone is quietly building on top of.
Healthcare Practice Use Case perspective on ElevenLabs Conversational 2.0 ships native MCP tool use, sub-second turn-taking, and a redesigned dashboard that makes voice agents feel like real soft
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