Google's Gemini Spark, the agentic AI assistant for background task management and proactive digital assistance, remains restricted to Google AI Pro and Ultra paid tiers as of early October 2026, with no confirmed path to the free Gemini plan. The July 2026 expansion from Ultra-only access to the $19.99 Pro tier in supported regions reflects Google's strategy to broaden adoption while preserving revenue from usage-heavy features and higher limits. Recent October updates further tightened model access for free and AI Plus users, underscoring tiered differentiation amid competitive pressure from other large language model agents. Traders should monitor Google developer conferences, subscription policy announcements, or usage data releases for signals on potential free-tier inclusion, though current positioning favors sustained paywall barriers.