Browse older CallSphere articles on AI voice agents, contact center automation, and conversational AI.
From the blog
An in-depth look at Anthropic's Claude 4 model family — Claude Opus 4, Claude Sonnet 4, and Claude Haiku 4 — their capabilities, architectural innovations, and what they mean for AI development.
Anthropic removes the hard limit that barred training more powerful models without proven safety measures, citing competitive pressures and political climate changes.
How Claude enables real human-AI collaboration -- shared context with CLAUDE.md, intent-driven development, parallel workstreams, and team-level integration patterns.
48% of CISOs identify agentic AI as top attack vector. 88% report security incidents. Dark Reading's comprehensive threat analysis for 2026.
Practical architectures for using LLMs to extract structured data from unstructured documents, covering schema design, chunking strategies, and production reliability patterns.
Andrew Ng-backed Profitmind raises $9M Series A for autonomous retail decision-making. Accenture Ventures leads the Agentic AI platform round.
Comprehensive ranking of AI voice agent platforms in 2026: Retell AI, Vapi, PolyAI, and more. Enterprise features, pricing, and performance compared.
Comprehensive evaluation of Retell AI, Vapi, PolyAI and more AI voice agent platforms. Features, pricing, and enterprise fit compared for 2026.
Rwkv vs mamba 2025: technical comparison of emerging transformer alternatives including Mamba's selective state spaces, RWKV's linear attention, and hybrid architectures that combine the best of both worlds.
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