Anthropic releases Claude Haiku 5.5
What happened
On October 8, 2026, Hacker News' front page reported that Anthropic released Claude Haiku 5.5 for high-frequency, cost-sensitive tasks. Anthropic says the new model runs at roughly 75% lower average cost than Haiku 4.5 and is available on all platforms. Later the same day, The Decoder repeated the roughly 75% average cost cut and added that Claude Haiku 5.5 supports adjustable reasoning levels. That report's headline also mentioned Anthropic cutting Sonnet 5.5 cache read pricing, but the supplied content does not give the size of that cut.
Written by AI from the coverage · updated 1 hour ago
Coverage
Follow the reports to see the story from different sides.
- The DecoderPickAnthropic releases Claude Haiku 5.5 with a big price cut and cheaper Sonnet 5.5 cache reads
Anthropic released Claude Haiku 5.5, with average cost about 75% lower than Haiku 4.5 and adjustable reasoning levels.
- Hacker News front pagePickAnthropic releases Claude Haiku 5.5, cutting average running cost about 75% versus Haiku 4.5
Anthropic released Claude Haiku 5.5 for high-frequency, cost-sensitive work. The company says average running cost is about 75% lower than Haiku 4.5, and the model is available now on all platforms.
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