Claude 4.5 Haiku

Name: Claude 4.5 Haiku
Price: 1151 USD
Author: Anthropic

✓ Verified

Anthropic's speed-optimized budget model: 200K context, extended thinking, and $1/$5 per MTok

Updated Feb 27, 2026

AI ModelPay-per-useAPIWebiOSAndroid

Last reviewed: Feb 27, 2026Details verified against vendor changelogs and hands-on usage where possible.

About

Claude 4.5 Haiku (released November 2025) is Anthropic's speed-optimized budget model, delivering near-Sonnet 4 performance at one-third the cost. With a 200K token context window, extended thinking, and full tool support (code execution, computer use, bash, text editor, web search), it is the fastest option in the Claude lineup. Haiku is available across Claude.ai (web, iOS, Android), Claude Code, the Claude API, Amazon Bedrock, Google Vertex AI, and Azure AI Foundry at $1/$5 per million input/output tokens. It serves as the ideal choice for high-volume, latency-sensitive applications where cost efficiency matters.

Key Features

✓200K token context window with text and image inputs (extended thinking supported)
✓Near-Sonnet 4 performance with faster latency and $1/$5 MTok pricing
✓Full Claude tool set: code execution, bash, computer use, text editor, web search
✓Available via Claude.ai web/iOS/Android, Claude Code, API, Bedrock, Vertex AI, and Foundry
✓Context awareness to track remaining token budget across long conversations

Pros & Cons

Pros

Supports major platforms (API, Web, iOS)
Broad integrations (6+ connectors)
Agentic mode for autonomous workflows

Cons

No free tier; paid plans only
No BYOK; model choice dictated by vendor

Use Cases

→High-volume API applications where speed and cost matter most
→Budget-friendly coding assistance at $1/$5 per MTok
→Real-time chat applications requiring low latency
→Automated content processing and data extraction
→Agentic automation with tool calling at minimal cost

Technical Details

Languages

Any (via API)

AI Models

claude-haiku-4-5

Integrations

Claude Developer Platform/APIClaude.aiClaude CodeAmazon BedrockGoogle Vertex AIMicrosoft Foundry

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Frequently Asked Questions

What is Claude 4.5 Haiku?

How much does Claude 4.5 Haiku cost?

Claude 4.5 Haiku offers pay-per-use pricing. Plans include: API on-demand: $1 per 1M input tokens; $5 per 1M output tokens.

What programming languages does Claude 4.5 Haiku support?

Claude 4.5 Haiku supports 1+ programming languages including Any (via API).

What AI models does Claude 4.5 Haiku use?

Claude 4.5 Haiku is powered by claude-haiku-4-5.

What platforms does Claude 4.5 Haiku support?

Claude 4.5 Haiku is available on API, Web, iOS, Android.

What can Claude 4.5 Haiku do?

Claude 4.5 Haiku provides code generation, debugging, AI chat, agentic/autonomous mode. Key features include: 200K token context window with text and image inputs (extended thinking supported), Near-Sonnet 4 performance with faster latency and $1/$5 MTok pricing, Full Claude tool set: code execution, bash, computer use, text editor, web search.

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Pricing and features change frequently—confirm on the vendor site.

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Pricing

API on-demand

$1 per 1M input tokens; $5 per 1M output tokens

Claude Developer Platform/API access
Claude.ai web, iOS, and Android chat
Claude Code with Haiku 4.5
Available via Amazon Bedrock, Google Vertex AI, and Microsoft Foundry

Company

Name: Anthropic
Founded: 2021
Location: San Francisco, CA

Links

GitHub →Twitter →

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