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Claude 4.5 Haiku

✓ Verified

Fast Claude 4.5 model with 200K context at $1/$5 per MTok

Updated Dec 7, 2025
AI ModelPay-per-useAPIWebiOSAndroid
Last reviewed: Dec 7, 2025Details verified against vendor changelogs and hands-on usage.
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Pricing and features change frequently—confirm on the vendor site.

About

Claude 4.5 Haiku (released Oct 15, 2025) is Anthropic's fastest Claude 4.5 model with near-Sonnet 4 performance at one-third the cost. It supports a 200K token context window, extended thinking, context awareness, and full tool use (code execution, computer use, bash, text editor, web search). It is available on Claude.ai (web, iOS, Android), the Claude Developer Platform/API, Claude Code, Amazon Bedrock, Google Cloud Vertex AI, and Microsoft Foundry with $1/$5 per million input/output token pricing.

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

Use Cases

    Technical Details

    Languages

    Any (via API)

    AI Models

    claude-haiku-4-5

    Integrations

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

    Frequently Asked Questions

    What is Claude 4.5 Haiku?

    Claude 4.5 Haiku (released Oct 15, 2025) is Anthropic's fastest Claude 4.5 model with near-Sonnet 4 performance at one-third the cost. It supports a 200K token context window, extended thinking, context awareness, and full tool use (code execution, computer use, bash, text editor, web search). It is available on Claude.ai (web, iOS, Android), the Claude Developer Platform/API, Claude Code, Amazon Bedrock, Google Cloud Vertex AI, and Microsoft Foundry with $1/$5 per million input/output token pricing.

    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.

    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 →