Physical Intelligence Pi-0.5: a generalist robot foundation model
Physical Intelligence shipped Pi-0.5 on April 22, 2026, claiming the first robotics foundation model that generalizes across embodiments without per-robot fine-tuning.
6 min read
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AI Voice Agent Insights & Guides
Browse older CallSphere articles on AI voice agents, contact center automation, and conversational AI.
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Tesla Optimus V3 update — what changed in April 2026
Tesla shared Optimus V3 footage in late April 2026 with redesigned hands (22 DOF per hand, up from 11) and a claimed 50% reduction in BOM cost versus V2.
6 min read
Hippocratic AI vs CallSphere Healthcare in California Clinics 2026
Hippocratic AI's safety-focused nurse agents and CallSphere healthcare's 14-tool intake stack went head-to-head across California clinic pilots in April 2026. Buyer notes inside.
10 min read
11x.ai Digital Workers 2026: Alice, Mike, Jordan in Production
11x.ai's digital workers (Alice SDR, Mike voice, Jordan workflow) now power outbound at 1,200+ B2B teams in 2026. Here's the rollout pattern, the per-worker pricing.
10 min read
ContractPodAi Leah: 2026 Enterprise Legal AI Deployments
ContractPodAi's Leah agent runs end-to-end CLM at Bosch, Anheuser-Busch, and Freshfields in 2026. Here's the architecture, the per-matter pricing.
10 min read
Sierra vs Decagon vs Ada: 2026 Enterprise CX Agent Shootout — Rasa vs decagon vs sierra which is the best enterprise ai agents platform for enterprise
Rasa vs decagon vs sierra which is the best enterprise ai agents platform for enterprise: Three CX agent platforms, three pricing models, three deployment philosophies. Here's the side-by-side that enterprise buyers are actually using to choose in…
12 min read
Wealth Management AI Agents 2026: Merrill, Morgan Stanley, UBS
Wealth management AI agents went mainstream in 2026 across the wirehouse channel. We profile the rollouts at Merrill, Morgan Stanley, and UBS, the per-advisor pricing.
8 min read
42 CFR Part 2 in 2026: AI Voice Agents and Substance-Use Confidentiality
The February 2024 Part 2 Final Rule aligned substance-use confidentiality with HIPAA — but kept harder consent rules. Here is how AI voice agents handle it in 2026.
11 min read
HVAC Voice Agent 2026: Emergency Dispatch + ServiceTitan/Housecall Pro Routing
Emergency HVAC calls are worth 1.5-2x a standard job and the contractor who answers first wins. Here is how a 2026 voice agent triages no-heat/no-cool/gas leak and routes to the on-call tech.
10 min read
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