Browse older CallSphere articles on AI voice agents, contact center automation, and conversational AI.
From the blog
GPT-4o native image gen, Flux 2, and Stable Diffusion 4 power conversational image creation. Here is how 2026 chat agents render images inline, iterate on prompts, and edit in place.
ElevenLabs Flash v2.5 hits 75ms inference; Cartesia Sonic streams under 100ms. We tune chunk_length_schedule, sentence-boundary streaming, and TTFB to keep TTS under 200ms of the voice budget.
Chrome M116+ joined Firefox and Safari with one-time mic/camera permissions in 2026. For voice AI, that means redesigning your prompt UX or losing 30%+ of first-time users mid-call.
Twenty-four-plus states have adopted the NAIC Model Bulletin and the AI Systems Evaluation Tool pilot launched in January. Here is what the 2026 insurance sales voice stack needs.
DPO replaces the entire RLHF pipeline with a one-line classification loss — no reward model, no PPO, no instability. Both OpenAI and Azure now expose DPO endpoints. Here's how to layer it on top of SFT for tool-using agents.
create-t3-app gives you Next.js 15, TypeScript, Tailwind, tRPC v11, Prisma, and Auth.js v5 in one CLI. Add OpenAI Realtime and you have a typed voice agent in 90 minutes.
Modern voicemail agents transcribe, score urgency, and trigger CRM creation, calendar entries, or callbacks autonomously. Here is the architecture for turning every missed call into a logged action.
Agentic refund chat reaches 70–92% deflection but trust craters when users get stuck in maze loops. Here is the 2026 playbook for refund and RMA chat that resolves, not deflects.
"You are an expert" prompts dropped MMLU accuracy from 71.6% to 66.3% in 2026 benchmarks. We translate the research — when persona helps (alignment, voice, refusal), when neutral wins (math, code, classification) — into the routing rule CallSphere uses across 37 agents.
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