OpenAI and Anthropic now fight at the cheap end: Haiku 5.5 and GPT-6 Luna both GPQA 90 at ~$0.2

soumitrashukla9 · x · 2026-10-13

An Epoch AI chart shared by Azeem Azhar shows Claude Haiku 5.5 and GPT-6 Luna both launched with yesterday's-frontier capability (GPQA 90) at roughly $0.15-0.2 blended price (3:1 in/out) — OpenAI and Anthropic compete at the cheap end, not just the frontier. The chart traces the price slide from GPT-4's $60+ in 2023 down to DeepSeek V4 Flash and Qwen3.7 Flash near $0.1.

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