AgentKit in London: How UK Fintechs Are Building Agents in 2026
London fintechs from Canary Wharf to Shoreditch are building production agents on OpenAI AgentKit 1.0 — the patterns that work for FCA-regulated workloads.
9 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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California SB 1047 second wind — what changed in April 2026
California's SB 1047 returned in 2026 in a slimmer form, and April 2026 saw it pass the Senate Judiciary Committee with new safe-harbor language for open-weight model providers.
6 min read
Colorado AI Act amendments — April 2026 update — April 2026 update
The Colorado AI Act's effective date amendments cleared committee on April 16, 2026, pushing the developer/deployer obligations to February 1, 2027 with new SME carve-outs.
6 min read
New York AI Bill of Rights — April 2026 progress — April 2026 update
New York's AI Bill of Rights cleared the Assembly on April 23, 2026, requiring impact assessments for high-risk AI systems used by state agencies.
6 min read
US state AI laws in April 2026 — California, NY, Colorado, Texas
April 2026 saw four notable US state AI bills move — California SB 1047 second wind, NY AI Bill of Rights, Colorado AI Act amendments, and Texas TRAIGA implementation.
6 min read
Outreach vs CallSphere Sales for Denver SaaS Outbound 2026
Denver SaaS sales teams compared Outreach Voice and CallSphere sales for outbound dialing in April 2026. Connect rates, MQL economics, and the headcount math.
9 min read
AISDR vs Regie.ai 2026: Outbound Email Agent Battle
AISDR and Regie.ai are the two outbound email agent platforms scaling fastest in 2026. We compare the products, the per-seat and per-send pricing, the customer wins.
11 min read
Decagon Pricing 2026: Conversation-Based, Tiered, and Why It Wins
Decagon's per-conversation pricing is reshaping CX vendor selection in 2026. Here's the actual math, the volume discount thresholds, and the contract language buyers are using.
9 min read
Paxton AI 2026: The Legal Research Agent Disrupting Westlaw
Paxton AI's legal research agent gained 5,000+ firm customers in 2026 by undercutting Westlaw on price. Here's the playbook, the per-seat pricing.
8 min read
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