> ## Content Index
> Fetch the complete content index at: https://blog.brightpixel.work/llms.txt
> Use this file to discover other available public pages before exploring further.

# Claude Haiku 5.5: Anthropic Cuts AI Prices by Up to 90%
- URL: https://blog.brightpixel.work/claude-haiku-5-5-price-cut/
- Published: 2026-10-09T18:15:35.000Z
- Updated: 2026-10-09T18:15:35.000Z
- Description: Anthropic's new small model costs up to 90% less than its predecessor. Here's what Claude Haiku 5.5 can do, what it costs, and why cheaper AI matters.
- Author: BrightPixel
- Tags: AI, Anthropic

AI is getting cheaper — fast. On October 7, Anthropic released **Claude Haiku 5.5**, the newest version of its smallest and fastest model, and dropped the price dramatically at the same time. For developers and businesses that run AI at scale, this is one of the biggest price moves of the year.

⚡

****Quick take:** Claude Haiku 5.5 costs **$0.10 per million input tokens** and **$0.50 per million output tokens** for most prompts — 90% less than Haiku 4.5\. It adds a 1-million-token context window and, for the first time in a Haiku model, adjustable "effort."

## The new prices

| Model                                 | Input (per 1M tokens) | Output (per 1M tokens) |
| ------------------------------------- | --------------------- | ---------------------- |
| Haiku 4.5                             | $1.00                 | $5.00                  |
| Haiku 5.5 — prompts up to 100K tokens | $0.10                 | $0.50                  |
| Haiku 5.5 — prompts over 100K tokens  | $0.50                 | $2.50                  |

That's a **90% cut** for normal-length prompts and a 50% cut for very long ones. Anthropic says about 90% of requests to Haiku 4.5 were short enough to get the lower price.

There's one catch: Haiku 5.5 uses a newer tokenizer that counts the same text as roughly **30% more tokens**. Taking that into account, Anthropic says the model costs around **75% less** to run on average. Prompt caching (up to 90% savings) and batch processing (50% savings) can cut costs further.

## What's new besides the price

- **1-million-token context window** and up to 128,000 tokens of output.
- **Adjustable effort:** the first Haiku model that lets you trade speed and cost for more careful thinking. The default is medium.
- **Better security:** according to Anthropic's system card, it's substantially more resistant to prompt-injection attacks than Haiku 4.5 and refuses more malicious requests.

## What it's good for

Anthropic positions Haiku 5.5 for **high-volume, everyday work**: summaries, classification, database queries, live customer support and browser automation. It's also designed to work as a **sub-agent** — a bigger model plans a job and hands smaller tasks to Haiku. For complex coding agents, Anthropic still recommends its larger Sonnet 5.5 and Opus 5.5 models.

## Where you can use it

- The Claude API (model ID `claude-haiku-5-5`), Amazon Bedrock, Google Cloud and Microsoft Foundry
- Claude.ai on all plans, from Free to Enterprise
- Claude Code

## More price changes in the same launch

Anthropic also halved the cache-read price of Sonnet 5.5 from $0.20 to $0.10 per million tokens, and added monthly API credits for paid subscribers: $100 for Max 5x, $200 for Max 20x, and up to $500 pooled across Team plans.

## A note for developers

Upgrading isn't completely drop-in. Manual extended thinking with `budget_tokens`, non-default `temperature`, `top_p` and `top_k` values, and assistant message prefill now return errors or are no longer supported. Check Anthropic's migration notes before switching.

## Why this matters

Haiku 5.5's price matches OpenAI's GPT-6 Luna, according to reports, so the AI price war is clearly heating up. For everyone else, falling prices mean AI features become cheaper to build into apps — which usually means more of them, in more places.

**Are you using AI models in your own projects? Would a 90% price cut change what you build?**

---

*Sources:* [*Anthropic*](https://www.anthropic.com/claude-haiku-5-5?ref=blog.brightpixel.work)*,* [*Claude Platform Docs*](https://platform.claude.com/docs/en/models/haiku-5-5/whats-new-haiku-5-5?ref=blog.brightpixel.work)*,* [*The New Stack*](https://thenewstack.io/anthropic-claude-haiku-5-5/?ref=blog.brightpixel.work)*,* [*Let's Data Science*](https://letsdatascience.com/news/anthropic-releases-claude-haiku-55-with-lower-prices-and-eff-f698c663?ref=blog.brightpixel.work)*. Image: Anthropic.*