LLM APIs
Cheapest Fast LLM APIs (October 2026): Haiku 5.5, Luna, Qwen, DeepSeek, MiniMax
Haiku 5.5 and GPT-6 Luna share the lowest input rate ($0.10/$0.50, below their price cliffs); Qwen 3.8 Flash is cheaper blended. Luna is cheapest per Artificial Analysis task ($0.07); DeepSeek V4.1 Flash 1017 scores highest on the AA Intelligence Index (45).