Lifecycle, licence, release, pricing and hosting changes to Sigma (Private AI Browser) in the AI Agent Infrastructure Landscape. https://mrpeppersdev.github.io/agent-infrastructure-landscape/feeds/sigma-private-ai-browser--sigmabrowser-com.xml 2026-10-22T00:00:00Z AI Agent Infrastructure Landscape https://mrpeppersdev.github.io/agent-infrastructure-landscape/systems/sigma-private-ai-browser--sigmabrowser-com#2026-10-22-d1f77cf661 2026-10-22T00:00:00Z

Pricing first recorded as “Free $0; Plus $10/mo ($8 annual); Pro $75/mo ($60 annual)”. Funding / ownership: “$4.1M total raised: $4M seed (Nov 2022 led by LocalGlobe + YC); additional ~$0.1M angels” → “searched not found — prior $4M SigmaOS seed (2022) belongs to a different company (SigmaOS, YC/San Francisco); Sigma Browser is Sigma Browser OÜ, Tallinn”. Source change: https://github.com/MrPeppersDev/agent-infrastructure-landscape/pull/219