Cost-Aware Agent Evaluation: Putting Token Spend, Latency, and Quality on the Same Dashboard
Eval scores alone mislead. Here is how we build a Pareto view across cost, latency, and quality so agent releases ship on signal, not vibes.
12 min read
Archive page 470 of 1230
AI Voice Agent Insights & Guides
Browse older CallSphere articles on AI voice agents, contact center automation, and conversational AI.
11,066 articlesArchive page 470
From the blog
Latest articles
Evaluating Agent Memory: Recall, Precision, and the Eval Pipeline Most Teams Don't Build
Memory is supposed to make agents better — but does it? Build a memory eval pipeline that measures recall, precision, contradiction rate, and the freshness/staleness tradeoff.
13 min read
Evaluating Multi-Step Tool-Using Agents: Why End-to-End Metrics Lie
A 'did the agent answer correctly?' pass/fail hides broken tool calls, wasted tokens, and silent retries. Here is how to evaluate intermediate steps.
13 min read
Evaluating Agent Reasoning Traces: Measuring Thought Quality Beyond Final Answers
Final-answer accuracy hides broken reasoning. Build an eval pipeline that scores the reasoning trace itself — coherence, faithfulness to tools, dead-end detection.
13 min read
How to Build a Golden Dataset for Production AI Agents
A principal engineer's playbook for curating, versioning, and growing a golden dataset for an agent — from production trace mining to annotation queues in LangSmith.
12 min read
Building Reasoning Agents with GPT-5 and o3 in 2026: When to Reach for the Big Brain
When reasoning models actually help inside an agent loop — and when they're an expensive mistake. Architecture patterns, code, and the cost/quality tradeoffs that matter.
13 min read
Input and Output Guardrails in the OpenAI Agents SDK: A Production Pattern (2026)
Stop the agent BEFORE it does the wrong thing. How to wire input and output guardrails in the OpenAI Agents SDK with cheap classifiers and an eval suite that proves they work.
13 min read
Agent Memory in LangGraph 2026: Short-Term, Long-Term, and the Patterns That Survive Production
How short-term (thread-scoped) and long-term (cross-thread) memory actually work in LangGraph, with code, schemas, and the eviction policies that keep cost predictable.
13 min read
LangGraph Checkpointers in Production: Durable, Resumable Agents with Eval Replay
Use LangGraph's checkpointer to make agents resumable across crashes and human-in-the-loop pauses, then replay any checkpoint into your eval pipeline.
13 min read
Subscribe to our newsletter
Get notified when we publish new articles on AI voice agents, automation, and industry insights. No spam, unsubscribe anytime.
Ready to see AI voice agents in action?
Try our live demo -- no signup required. Talk to an AI voice agent right now.