Vercel AI SDK 5: Tool Calling and Streaming Guide for React Apps
How to wire Vercel AI SDK 5 tool calls to a React UI with streaming, partial UI updates, and proper error handling that survives flaky network conditions.
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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Grounding Chat Agents in 2026: Span-Level Verification, Agentic RAG, and Why Hallucinations Drop
The 2026 chat-agent stack uses span-level verification, agentic RAG, and uncertainty-aware evals to cut hallucination rates by an order of magnitude.
11 min read
Build a Voice Agent on AWS App Runner with FastAPI + Bedrock (2026)
Deploy a HIPAA-eligible voice agent on AWS App Runner: FastAPI WebSocket bridge, Bedrock Claude for reasoning, ECR auto-deploy from GitHub, VPC connector for private RDS.
12 min read
Grok 4 Coding Benchmarks: SWE-bench and LiveCodeBench
Grok 4's coding benchmarks are a meaningful step up from Grok 3 — here's where it sits vs the field. Lens: legal practices. A 2026 builder briefing.
8 min read
Zep v2 + Graphiti: Why Temporal Knowledge Graphs Beat Vector Memory
Zep beats MemGPT on the DMR benchmark (94.8% vs 93.4%) by tracking when facts became true. Here is the temporal-graph architecture and when it wins.
11 min read
Decagon Raises Series C at $1.5B Valuation
Decagon raised a Series C at a $1.5B valuation led by Bain Capital Ventures. What it signals for customer-service AI agents moving into the enterprise.
6 min read
Where Enterprise Claude AI Agents Are Heading Next
Longer autonomy, agent-to-agent ecosystems, and ambient computer use — where enterprise Claude agents are going and how to prepare your org today.
8 min read
How to Measure Success of Enterprise Claude Agents
The metrics that prove a Claude transformation works: task success vs baseline, accuracy-gated deflection, cost per resolution, and leading indicators.
8 min read
Claude Agent Walkthrough: Problem to Shipped Outcome
A realistic end-to-end Claude agent build: scope a support backlog, write evals, wire MCP tools, ship in suggestion mode, and measure the outcome.
9 min read
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