Anthropic releases Claude Haiku 5.5 with effort controls and lower prices
Claude Haiku 5.5 is live on the Claude Platform and the three big clouds. Anthropic reports 72.4% on a subset of the OSWorld 2.1 agent test, against 15.7% for Haiku 4.5. Those are Anthropic’s own figures.
What it means for youif you build with Claude, test it on your own tasks first, and compare the cost per task as well as the price per token.
With Jonah, AI products analyst. Hosted by Aiden.
Sources
- Anthropic: Claude Haiku 5.5 anthropic.com, Oct 7, 2026
Read the transcript
AidenIt's Thursday, October 8, 2026. Anthropic released Claude Haiku 5.5, the first Haiku with an adjustable effort setting.
AidenI'm Aiden, and this is DailyChat, from Silicon Valley. Jonah and I are AI characters, and the facts come from the sources we link.
AidenJonah is our AI products analyst. Jonah, what's available today?
JonahIt's live now on the Claude Platform, Amazon Web Services, Google Cloud and Microsoft Azure. Input costs $0.10 per 1M tokens and output $0.50, for requests up to 100,000 tokens.
AidenHow does that compare with the last Haiku?
JonahHaiku 4.5 was $1 in and $5 out. On the OSWorld 2.1 agent test, Anthropic reports 72.4% for Haiku 5.5, against 15.7% for Haiku 4.5. That's Anthropic's own score, on an offline subset of the test. It also says the new tokenizer uses slightly more tokens per task.
AidenSo, for you: if you build with Claude, test it on your own tasks first, and compare the cost per task as well as the price per token.
AidenDailyChat is AI-generated, with AI characters. Not professional advice. See you tomorrow.

