AI Model APIs
AI Model APIsProviders
AI Model APIs

The complete platform for comparing AI models. Find pricing, capabilities, and the perfect model for your use case.

contact@aimodelapis.com

Resources

  • AI Models APIs
  • Providers

About

  • About
  • Contact
  • Privacy Policy
  • Terms of Service

© 2026 AI Model APIs. All rights reserved.

Back to Models
Anthropic

Claude Haiku 4.5 API

Anthropic
About

Build advanced reasoning agents with Claude Haiku 4.5, a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers cost-effective pricing at $1.00/1M input and $5.00/1M output tokens, native tool calling support. Access Claude Haiku 4.5 via the Anthropic API with up to 64K output tokens.

Capabilities

Input Modalities

textimagepdf

Output Modalities

text
Reasoning
Yes
Structured Output
No
Tool Use
Yes
WeightsClosed
Temperature
Adjustable
Attachment
Supported
Limits
Context Window
200K

Tokens

Input Limit
200K

Tokens

Max Output
64K

Tokens

Pricing

Standard (per 1M tokens)

Input
$1.00
Output
$5.00

Caching (per 1M tokens)

Read
$0.10
Write
$1.25
Frequently Asked Questions

Claude Haiku 4.5 by Anthropic costs $1.00 per 1M input tokens and $5.00 per 1M output tokens. Cached reads cost $0.10 per 1M tokens. Cache writes cost $1.25 per 1M tokens.

Model Details
ID
claude-haiku-4-5-20251001
Provider
Anthropic
Family
claude-haiku
Release Date
Oct 15, 2025
Knowledge Cutoff
Feb 28, 2025
API Integration
NPM Package
@ai-sdk/anthropic
Environment Variables
ANTHROPIC_API_KEY
Documentation