Step-by-step guides, technical tutorials, and use-case playbooks for building AI voice and chat agents — plus the latest AI news, model releases, funding, and policy developments.
From the blog
The EU AI Act's general-purpose AI obligations entered into force on August 2, 2025, but April 2026 is when national regulators began publishing enforcement guidance with teeth.
The EU's general-purpose AI Codes of Practice published their final draft on April 11, 2026 after months of negotiation, locking in transparency, copyright, and systemic-risk.
NIST published a draft 2.0 update to its AI Risk Management Framework on April 8, 2026, with a dedicated agentic-AI profile and a new cross-walk to the EU AI Act.
TLS 1.3, AES-256, and KMS-backed key management — what defaults ship with CallSphere vs the patchwork you assemble for Vapi.
When every pricing question goes straight to sales, reps waste time on low-intent buyers. Learn how chat and voice agents absorb the first pricing conversation.
xAI's Colossus 2 power and water usage is drawing scrutiny in Memphis — here's what the data says. Practical context for teams in Boston, MA.
Bedrock now supports custom fine-tuning of Llama 4 Maverick — here's the workflow, costs, and gotchas. Practical context for teams in Miami, FL.
The three small models powering 2026's agent boom — Gemini 3 Flash, Claude Haiku 4.5, and GPT-5.5 Mini — compared head to head. Practical context for teams in Tokyo, Japan.
Google AI Studio 2026 update adds a real prompt IDE, native eval suites, and one-click Vertex deployment. Practical context for teams in Virginia.
