Anthropic releases Claude Haiku 5.5, cutting run costs about 75% from Haiku 4.5

Anthropic released Claude Haiku 5.5, which it calls the fastest, cheapest, and most capable Haiku model so far.

On average it costs about 75% less to run than Haiku 4.5, with input at $0.10 and output at $0.50 per million tokens for requests up to 100,000 tokens.

Anthropic also cut Sonnet 5.5's cache read price from $0.20 to $0.10 per million tokens, which it says lowers run costs by about 20% on many agent tasks.