Cheapest LLMs in 2026: Gemini 3.5 Flash-Lite at $0.30/1M vs GPT-5.6 Luna and Claude Sonnet 5
Three budget-tier models now sit far below the flagships: Gemini 3.5 Flash-Lite at $0.30/$2.50, GPT-5.6 Luna at $1/$6, and Claude Sonnet 5 at $2/$10 per million tokens. A worked cost comparison for high-volume
