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AnthropicChatclaude-haiku-4-5

Claude Haiku 4.5

Fast and efficient for high-volume, low-latency work.

Haiku 4.5 is tuned for speed and throughput — the model to reach for when you're running lots of requests and want snappy responses at a low price.

  • High volume
  • Low latency
  • Classification

Model details

Context window
200K tokens
Max output
64K tokens
Input
Text, images
Output
Text
Capabilities
Reasoning, Vision, Tool calling, Streaming, JSON output
Interfaces
OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses

Pricing

Prices use the units shown below. No gateway fees. Usage, size and model options may affect the total.

Claude Haiku 4.5 pricing.
MetricPrice
/ 1M input tokens$1
/ 1M output tokens$5
/ 1M cached input tokens$0.1
/ 1M cache write tokens (5 min)$1.25
/ 1M cache write tokens (1 hour)$2
/ web search$0.01

Why teams pick it

  • Fast responses for latency-sensitive flows
  • Priced for high-throughput workloads
  • Vision and tool calling included

Call Claude Haiku 4.5

Claude Haiku 4.5 answers on any of the APIs below — pick the one your code already speaks and just swap in your Cloakray key.

/v1/chat/completionsOpenAI-style Chat Completions · openai SDK or plain HTTP
curl https://api.cloakray.com/v1/chat/completions \
  -H "Authorization: Bearer ckr_..." \
  -H "Content-Type: application/json" \
  -d '{
  "model": "claude-haiku-4-5",
  "messages": [
    {
      "role": "user",
      "content": "Hello"
    }
  ]
}'
/v1/messagesAnthropic-style Messages · @anthropic-ai/sdk SDK or plain HTTP
curl https://api.cloakray.com/v1/messages \
  -H "Authorization: Bearer ckr_..." \
  -H "Content-Type: application/json" \
  -d '{
  "model": "claude-haiku-4-5",
  "max_tokens": 1024,
  "messages": [
    {
      "role": "user",
      "content": "Hello"
    }
  ]
}'
/v1/responsesOpenAI-style Responses · openai SDK or plain HTTP
curl https://api.cloakray.com/v1/responses \
  -H "Authorization: Bearer ckr_..." \
  -H "Content-Type: application/json" \
  -d '{
  "model": "claude-haiku-4-5",
  "input": "Hello"
}'

Conversation compaction is also available at POST /v1/responses/compact.

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