AnthropicFastHigh

Claude Haiku 4.5

Fast, cost-effective model for everyday tasks. Great balance of speed, intelligence, and cost for high-volume applications.

1 credits

per 1K tokens (avg)

200K context window

8K max output tokens

Vision capabilities

Fastest Claude model

Most cost-effective

Tool use support

Use with AI Assistant

Copy usage instructions for Claude, ChatGPT, or other AI

llms.txt

Model Specifications

Context Window

200K

tokens

Max Output

tokens

Training Cutoff

2024-04

Compatible SDK

Anthropic

Capabilities

Vision

Function Calling

Streaming

JSON Mode

System Prompt

Token Pricing (per 1M tokens)

Token Type	Credits	USD Equivalent
Input Tokens	800	$0.80
Output Tokens	4,000	$4.00
Cached Tokens	80	$0.08

* 1 credit ≈ $0.001 (actual charges may vary based on usage)

Quick Start

curl -X POST "https://api.core.today/llm/anthropic/v1/messages" \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer cdt_your_api_key" \
  -d '{
  "model": "claude-haiku-4-5",
  "max_tokens": 500,
  "messages": [
    {
      "role": "user",
      "content": "What are the main benefits of renewable energy?"
    }
  ]
}'

Parameters

Parameter	Type	Required	Default	Description
`messages`	array	Yes	-	Array of message objects
`max_tokens`	integer	Yes	-	Maximum tokens in response
`temperature`	float	No	1.0	Sampling temperature (0-1)

Examples

Quick Response

Fast conversational response

curl -X POST "https://api.core.today/llm/anthropic/v1/messages" \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer cdt_your_api_key" \
  -d '{
  "model": "claude-haiku-4-5",
  "max_tokens": 500,
  "messages": [
    {
      "role": "user",
      "content": "What are the main benefits of renewable energy?"
    }
  ]
}'