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Claude Haiku 5.5 by Anthropic | AI Market Cap

Claude Haiku 5.5

#5106MultimodalProprietary

A

Anthropic

Claude Haiku 5.5 is Anthropic's small, fast model for high-volume, cost-sensitive work such as summarization, subagents, and browser use. It succeeds Claude Haiku 4.5 with stronger coding, computer use, and...

Model updates refreshed1d agoOct 9, 2026news + changelog

Website View Updates

What changed

It succeeds Claude Haiku 4.5 with stronger coding, computer use, and...

Rates & subscription access

View full pricing details

Tracked access rates

OpenRouter

Input / 1M tokens: $0.1
Output / 1M tokens: $0.5

Price record: 2026-10-11. Source: openrouter.

Related provider subscriptions

No current subscription pricing is tracked for this model.

Confirm this specific model, usage limits, and billing terms with the provider. A subscription does not automatically include API credits.

No login needed to compare. Prices are in USD; provider charges are separate from AI Market Cap plans. Context length, caching, tools, taxes, and regional terms can change the final cost. Open weights do not mean free hosting.

25.4

Quality Score

---

Arena ELO

Undisclosed

Parameters

1M

Context

Evidence profile

How complete is this record?

This measures the amount of verifiable public evidence we have, not how capable the model is. A missing field means it has not been verified yet, not that its value is zero.

50%

coverage

Developing evidence

11 of 22 public signals

Technical profile60%

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0

Downloads

0

Likes

Oct 2026

Released

3/5 signals

Evaluation25%

1/4 signals

Access & cost80%

4/5 signals

Adoption25%

1/4 signals

Provenance50%

2/4 signals

Gaps we are still tracking

parameter countevaluation evidenceindependent metadata source

Launches

4

high

Pricing

1

high

Safety

1

medium

Research

1

low

General

6

low

What Changed Recently

Recent launch, pricing, benchmark, and API signals linked to this model or its provider.

LaunchesAnthropic2d ago

We’re launching the Anthropic Cyber Mission, a new effort to secure critical infrastructure and open-source software. https://t.co/0tz0ARAEMj

Social & Blog Posts13

X/Twitter@AnthropicAIAnthropicannouncement

77.7

DeepSeek-V4.1-Flash#455

Moonshot AI·1.0T

Kimi K2.7 Code#189

Moonshot AI·1.0T

LaunchesAnthropic3d ago

Oct 8, 2026 Announcements Introducing the Anthropic Cyber Mission

LaunchesAnthropic3d ago

Introducing Claude Haiku 5.5: the cheapest, fastest, and most capable small model we’ve ever released. On average, it costs around 75% less to run than Claude Haiku 4.5. https://t.co/jm06cZJfkV

LaunchesAnthropic5d ago

Expanding the Cyber Verification Program Announcements Oct 6, 2026 We’re launching a new, expanded version of our Cyber Verification Program, which makes advanced cyber capabilities and reduced blocking classifiers available to qualifying security professionals.

PricingAnthropic4d ago

Announcements Oct 7, 2026 Introducing Claude Haiku 5.5 Our fastest, cheapest, and most capable small model yet. It’s designed for high-volume, cost-sensitive work.

general

Yesterday

We’re beginning a process of publishing more frequent reports on model behavior, beyond what appears in our system cards and regular risk reports. Today’s report describes four types of behaviors we’v

We’re beginning a process of publishing more frequent reports on model behavior, beyond what appears in our system cards and regular risk reports. Today’s report describes four types of behaviors we’ve identified during evaluations and internal use. In each, Claude acted on real

#anthropic#twitter#x

X/Twitter@AnthropicAIAnthropiclaunchlaunch2d ago

We’re launching the Anthropic Cyber Mission, a new effort to secure critical infrastructure and open-source software. https://t.co/0tz0ARAEMj

#anthropic#twitter#x

Claude Dashboards and Claude Motion are in beta today. Ask Claude to turn your data into live dashboards and your ideas into animated explainers. https://t.co/V3fU4lMnzp

X/Twitter@claudeaiAnthropicannouncementgeneral2d ago

Claude Dashboards and Claude Motion are in beta today. Ask Claude to turn your data into live dashboards and your ideas into animated explainers. https://t.co/V3fU4lMnzp

#anthropic#twitter#x

X/Twitter@AnthropicAIAnthropicresearchresearch2d ago

We're deepening our commitment to scientific research and technological discovery by committing $150 million to the Genesis Mission. We'll also make Claude and our technical support available to more

We're deepening our commitment to scientific research and technological discovery by committing $150 million to the Genesis Mission. We'll also make Claude and our technical support available to more than 15 federal agencies. https://t.co/MUmQBiC6MF

#anthropic#twitter#x

BlogAnthropicannouncementgeneral3d ago

Oct 8, 2026 Announcements Building on our commitment to American scientific discovery

#anthropic#blog#update

BlogAnthropiclaunchlaunch3d ago

Oct 8, 2026 Announcements Introducing the Anthropic Cyber Mission

#anthropic#blog#launch

BlogAnthropicsafetysafety3d ago

Oct 8, 2026 Announcements 2026 Usage Policy update

#anthropic#blog#safety

X/Twitter@AnthropicAIAnthropicannouncementgeneral3d ago

Claude Haiku 5.5, our latest model:

#anthropic#twitter#x

Introducing Claude Haiku 5.5: the cheapest, fastest, and most capable small model we’ve ever released. On average, it costs around 75% less to run than Claude Haiku 4.5. https://t.co/jm06cZJfkV

X/Twitter@claudeaiAnthropiclaunchlaunch3d ago

Introducing Claude Haiku 5.5: the cheapest, fastest, and most capable small model we’ve ever released. On average, it costs around 75% less to run than Claude Haiku 4.5. https://t.co/jm06cZJfkV

#anthropic#twitter#x

BlogAnthropicpricingpricing4d ago

Announcements Oct 7, 2026 Introducing Claude Haiku 5.5 Our fastest, cheapest, and most capable small model yet. It’s designed for high-volume, cost-sensitive work.

#anthropic#blog#pricing

Claude now works inside Google Docs, Sheets, and Slides, and those files also open inside Claude. In Google Workspace, Claude sits in a sidebar next to your file, reads what you have open, and edits i

X/Twitter@claudeaiAnthropicannouncementgeneral4d ago

Claude now works inside Google Docs, Sheets, and Slides, and those files also open inside Claude. In Google Workspace, Claude sits in a sidebar next to your file, reads what you have open, and edits i

Claude now works inside Google Docs, Sheets, and Slides, and those files also open inside Claude. In Google Workspace, Claude sits in a sidebar next to your file, reads what you have open, and edits it in place. You can approve each edit before it lands. https://t.co/se9wIS7vK1

#anthropic#twitter#x

BlogAnthropiclaunchlaunch5d ago

Expanding the Cyber Verification Program Announcements Oct 6, 2026 We’re launching a new, expanded version of our Cyber Verification Program, which makes advanced cyber capabilities and reduced blocking classifiers available to qualifying security professionals.

#anthropic#blog#launch

BlogAnthropicannouncementgeneral1w ago

Oct 2, 2026 Announcements Anthropic invests $100 million to train 10,000 engineers and tackle the enterprise AI talent gap

#anthropic#blog#update