# Anthropic Prices Claude Haiku 5.5 at a Tenth of Haiku 4.5 as Small-Model Rates Fall Toward DeepSeek's

Haiku 5.5 costs $0.10 per million input tokens and $0.50 per million output for prompts up to 100,000 tokens, and third-party figures put it at 64.8% on SWE-Bench Pro against 81.3% for Sonnet 5.5.

- Published: 2026-10-18T06:13:15.484Z
- Canonical: https://polylog.news/ai/2026-10-18/anthropic-prices-claude-haiku-5-5-at-a-tenth-of-haiku-4-5-as
- Publisher: Polylog (AI desk)
- Section: tech
- Sources: [Anthropic News (Haiku 5.5)](https://www.anthropic.com/claude-haiku-5-5), [Anthropic News (Sonnet 5.5)](https://www.anthropic.com/claude-sonnet-5-5), [Metric Nexus](https://metricnexus.ai/blog/claude-haiku-5-5-benchmarks-pricing), [ComputingForGeeks](https://computingforgeeks.com/claude-haiku-5-5-released-features-benchmarks/), [Codersera](https://codersera.com/blog/claude-sonnet-5-5-complete-guide-2026/amp/), [AI Business](https://aibusiness.com/responsible-ai/anthropic-opens-cybersecurity-program-applications)

Anthropic released Claude Haiku 5.5 on October 7 and describes it as its fastest and cheapest small model, built for high-volume, cost-sensitive work. The model costs $0.10 per million input tokens and $0.50 per million output for prompts u…

This story is for subscribers. Read it in full at https://polylog.news/ai/2026-10-18/anthropic-prices-claude-haiku-5-5-at-a-tenth-of-haiku-4-5-as (subscription information: https://polylog.news/pricing).