Claude Haiku 4.5 (Vertex AI (Anthropic)) API
About
Build advanced reasoning agents with Claude Haiku 4.5 (Vertex AI (Anthropic)), 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 (Vertex AI (Anthropic)) via the LLM Gateway API with up to 64K output tokens.
Capabilities
Input Modalities
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Output Modalities
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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
Frequently Asked Questions
Claude Haiku 4.5 (Vertex AI (Anthropic)) by LLM Gateway costs $1.00 per 1M input tokens and $5.00 per 1M output tokens. Cached reads cost $0.10 per 1M tokens.
Model Details
ID
vertex-anthropic/claude-haiku-4-5
Provider
LLM GatewayFamily
claude-haiku
Release Date
Oct 15, 2025
Knowledge Cutoff
Feb 28, 2025
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
LLMGATEWAY_API_KEY
API Base URL
https://api.llmgateway.io/v1