Models from Partners and Community

• Developed and supported by external partners and community contributors.
• Diverse range of specialized models catering to niche or broad use cases.
• Typically validated by providers themselves, with integration guidelines provided by Azure.
• Community-driven innovation and rapid availability of cutting-edge models.
• Standard Azure AI integration, with support and maintenance managed by the respective providers.

Key capabilities

About this model

Key model capabilities

• Extended thinking: Extended thinking gives Claude enhanced reasoning capabilities for complex tasks.
• Image & text input: Claude Haiku 4.5 can process images and return text outputs to analyze and understand charts, graphs, technical diagrams, reports, and other visual assets.

Use cases

Key use cases

• Powering free tier user experiences: Claude Haiku 4.5 delivers near-frontier performance at a cost and speed that makes powering free agent products and agentic use cases economically viable at scale.
• Real-time experiences: Claude Haiku 4.5's speed is ideal for real-time applications like customer service agents and chatbots where response time is critical.
• Coding sub-agents: Use Claude Haiku 4.5 to power sub-agents, enabling multi-agent systems that tackle complex refactors, migrations, and large feature builds with quality and speed.
• Financial sub-agents: Use Claude Haiku 4.5 to monitor thousands of data streams—tracking regulatory changes, market signals, and portfolio risks to preemptively adapt compliance and trading systems at previously impossible scales.
• Research sub-agents: Perform parallel analyses across multiple data sources while maintaining fast response times. Ideal for rapid business intelligence, competitive analysis, and real-time decision support.
• Business tasks: Claude Haiku 4.5 is capable of producing and editing office files like slides, documents, and spreadsheets. It also better supports strategy and campaign planning, business analysis and brainstorming.

Out of scope use cases

Pricing

Technical specs

Training cut-off date

Input formats

Supported language

Sample JSON response

200:
{
  "content": [
    {
      "text": "Hi! My name is Claude.",
      "type": "text"
    }
  ],
  "id": "msg_213Zva2CMHLNnXjNJJKqJ2EG",
  "model": "claude-haiku-4-5-20251001",
  "role": "assistant",
  "stop_reason": "end_turn",
  "stop_sequence": null,
  "type": "message",
  "usage": {
    "input_tokens": 31,
    "cache_creation_input_tokens": 0,
    "cache_read_input_tokens": 0,
    "cache_creation": { "ephemeral_5m_input_tokens": 0, "ephemeral_1h_input_tokens": 0 },
    "output_tokens": 25,
    "service_tier": "standard",
    
  }
}

4XX:
{
  "error": {
    "message": "Invalid request",
    "type": "invalid_request_error"
  },
  "request_id": "<string>",
  "type": "error"
}

Model architecture

Optimizing model performance

Additional assets

• Claude Documentation : Visit Anthropic's Claude documentation for a wealth of resources on model capabilities, prompting techniques, use case guidelines, and more.
• Extended Thinking Guide : Understand how best to use extended thinking with Claude.
• Claude Prompting Resources : Check out Anthropic's prompting tools and guides to learn how to craft prompts that elicit more helpful, nuanced responses.
• Claude Cookbooks : Check out example code for a variety of complex tasks, such as RAG from various web sources, making SQL queries, function calling, multimodal prompting, and more.

Distribution channels

• Claude API: For developers interested in building agents, Haiku 4.5 is available on the Claude Developer Platform.
• Claude Code: Use Haiku 4.5 with Anthropic's industry-leading coding agent, Claude Code.

More information

Data handling