Browse older CallSphere articles on AI voice agents, contact center automation, and conversational AI.
From the blog
Every LLM call should emit a span with model, input tokens, output tokens, and cost — collected via OTel and aggregated in ClickHouse or Langfuse. We show the schema, the per-tenant cost cap pattern, and the daily founder digest.
NVIDIA folded Triton into Dynamo in 2026. Self-host Whisper, NeMo, Riva, and NIM speech microservices on L40S/B200 with gRPC streaming. Production blueprint for HIPAA-locked voice.
Nuxt 3 Nitro server routes mint ephemeral OpenAI keys, Vue 3.5 composables wrap WebRTC, and Pinia holds the call state. Sub-700ms voice agent in 200 lines.
82% of SMB employers invested in AI tools by 2026. 91% report revenue increases. AI receptionists now respond in 420–600ms. The Q1 2026 SMB AI adoption picture.
OneRoof-style buyer-agent flows, Awaz's Dutch investor outreach pilot, Naitive Cloud agency studies — what real-estate AI voice agents actually moved in 2026, and the build behind the numbers.
CallSphere ships an embeddable web chat widget that shares tools and data with the voice agent. Vapi customers buy a separate chatbot and stitch it together.
Voice transcripts leak SSNs, DOBs, and card numbers. See why automatic PII redaction matters and how CallSphere bakes it in vs. Vapi DIY pipelines.
A clear build-vs-buy decision framework for voice AI in 2026: capability fit, time-to-value, total cost, risk, and optionality — applied to Vapi vs CallSphere.
Detailed cold-start benchmarks for voice AI: WebSocket setup, model warmup, first-token latency. Compare CallSphere on K8s vs Vapi managed pipeline.
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