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Anthropic

Claude Haiku 4.5

budget

AnthropicReleased on 2025-10-01

Anthropic's fastest model in the Claude 4.5 family. Optimized for quick responses and high-throughput applications. Default fast model in Claude Code. Excellent for simple coding tasks, quick Q&A, and cost-sensitive batch processing.

79
Overall Score

Core Specs

200K
Context Window
8K
Max Output
Reasoning
Open Source
Multimodal Support
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User Feedback Highlights

Based on community feedback. Hover to see original reviews.

Not ideal for multi-step agentic tasks+ Default fast option in Claude Code+ Great for high-volume batch processing+ 200K context window+ Affordable pricing ($1/$5 per MTok) Less capable than Sonnet/Opus for complex reasoning+ Fastest response in Claude family Smaller output limit (8K) May miss nuances in complex instructions
Sentiment:👍 68%😐 24%👎 8%

Pros & Cons

Pros

  • +Fastest response in Claude family
  • +Affordable pricing ($1/$5 per MTok)
  • +200K context window
  • +Default fast option in Claude Code
  • +Great for high-volume batch processing

Cons

  • Less capable than Sonnet/Opus for complex reasoning
  • Smaller output limit (8K)
  • Not ideal for multi-step agentic tasks
  • May miss nuances in complex instructions

Reliability

SLA99.9%
Incidents (30d)1
与其他 Claude 模型共享基础设施;近期有稳定性波动记录
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Pricing

Input (per 1M tokens)$1.00
Output (per 1M tokens)$5.00
Subscription$20/month
Free trial available
Updated on 2026-03-09

Get Started

1Visit the provider's website
2Create an account
3Start using the model

Tools Supporting This Model

Benchmarks

mmlu86.5%
humanEval90.2%