Anthropic launches Claude Haiku 5.5, saying it runs about 75% cheaper than Haiku 4.5
Anthropic says Haiku 5.5 targets high-volume work and is its first Haiku with an effort setting. Simon Willison says it costs $0.10/$0.50 per million tokens up to 100,000 tokens, then 5x more.
Why it matters: Willison says it uses about 1.25x as many tokens as Haiku 4.5, and that above 100,000 tokens GPT-6 Luna looks like a much better deal.