ModelInfo
English
All models

Claude Haiku 4.5

Anthropic fast model with near-frontier intelligence.

Anthropicclaude-haiku-4-52025-10-15Report incorrect data

Specs

Context
200K
Max output
64K
Input price
$1/ 1M tokens
Output price
$5/ 1M tokens
Released
2025-10-15

Context

Context window
200K
Max input
200K
Max output
64K

Pricing · USD / 1M tokens

Input
$1
Output
$5
Cache read
$0.1
Cache write
$1.25

Modalities

Input
TextImageDocument
Output
Text

API

API types
messagesbatch

Reasoning

Reasoning
Yes
Levels
—

Info

Status
Active
Released
2025-10-15
Knowledge cutoff
2025-02

Features

Confirmed
toolsstructured_outputstreamingcachingbatch
Source · official docsVerified 2026-10-10

How to call

1 provider

anthropicmodel = claude-haiku-4-5reasoning = thinking

messages
POSThttps://api.anthropic.com/v1/messages
batch
POSThttps://api.anthropic.com/v1/messages/batches

JSON

Standard format
claude-haiku-4-5.json
{
  "id": "claude-haiku-4-5",
  "object": "model",
  "created": 1760486400,
  "owned_by": "anthropic",
  "name": "Claude Haiku 4.5",
  "api": {
    "types": [
      "messages",
      "batch"
    ]
  },
  "limits": {
    "context": 200000,
    "input": 200000,
    "output": 64000
  },
  "modalities": {
    "input": [
      "text",
      "image",
      "document"
    ],
    "output": [
      "text"
    ]
  },
  "reasoning": {
    "supported": true,
    "efforts": []
  },
  "pricing": {
    "currency": "USD",
    "unit": "1M_tokens",
    "input": 1,
    "output": 5,
    "cache_read": 0.1,
    "cache_write": 1.25
  },
  "features": [
    "tools",
    "structured_output",
    "streaming",
    "caching",
    "batch"
  ],
  "info": {
    "status": "active",
    "release_date": "2025-10-15",
    "knowledge_cutoff": "2025-02",
    "description": "Anthropic fast model with near-frontier intelligence.",
    "docs": "https://platform.claude.com/docs/en/models/haiku-4-5/overview",
    "verified_at": "2026-10-10"
  }
}

Official sources

9