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The Best Way to Load Test Deepgram's Voice Agent API (2026 Harness)
The best way to load test Deepgram's Voice Agent API: Erlang B sizing, Poisson arrivals, real-time 20 ms audio, p99 turn latency, and an asyncio harness.
GPT-Live API architecture: build voice agents with gpt-live-1
GPT-Live API architecture explained: how gpt-live-1 splits voice from backend reasoning, plus WebRTC and SIP session code, delegation, and pricing.
Grok Voice Agent Builder (xAI) Pricing: $0.08/min and Setup (Oct 2026)
Grok Voice Agent Builder (xAI) pricing, October 2026: $0.08 per minute plus $0.01 telephony. Cost math, models, voices, cloning and phone setup.
How to Monitor Voice Agents in Production: Tool Failures, Latency Spikes and Dead Air
How to monitor voice agents in production on LiveKit or Pipecat: tool-call failure rates, p95 latency per segment, dead-air detection and burn-rate alerts.
How to A/B Test Voice Agent Prompts: Offline Pairs, Live Splits, and the Sample-Size Math
How to A/B test voice agent prompts on LiveKit or Pipecat: paired offline runs, caller-level live splits, blind judging, and sample-size math that holds.
Best LLM for voice agents (October 2026): latency, tool calling, cost per minute
Best LLM for voice agents, October 2026: GPT-6, Claude, Gemini, Grok and open models compared on first-token latency, tool calling and cost per minute.
Full-duplex voice agents: turn-based vs full-duplex, models, testing
Turn-based vs full-duplex voice agents: one waits for silence, the other listens while it speaks. Compare GPT-Live, Moshi and PersonaPlex, and how to test.
Voice agent observability tool: a 14-point buyer's and builder's checklist
What a voice agent observability tool must capture: per-turn traces, stereo audio, signal health, caller-heard latency, audit trails. Scored, testable.
Pipecat vs LiveKit (2026): Which to Choose, and How to Prove It
Pipecat vs LiveKit: LiveKit for phone, SIP and multi-party agents; Pipecat for complex Python pipelines. Verdict table, same agent in both, 9 deep dives.