Claude Haiku 4.5 vs Claude Sonnet 4.5

< Large Language Models (LLM)

Comparing two large language models (llm) models: features, pricing, pros and cons.

Claude Haiku 4.5Claude Sonnet 4.5
ProviderAnthropicAnthropic
Pricing$10–50/mo$30–150/mo
Quality
8/10
9/10
Speed
9.5/10
8.5/10
Ease of use
8.5/10
8.5/10
Value
7/10
5/10
Context200K200K
TasksText Generation, Chatbots, Translation, RAG / SearchText Generation, Chatbots, Coding, Translation, RAG / Search
Pros
  • + Fast
  • + Cheaper than Sonnet/Opus
  • + Good for chatbots
  • + Good price-quality balance
  • + Production-ready
  • + Stable API
Cons
  • Weaker reasoning than Sonnet
  • Cloud only
  • Not the cheapest option
  • Cloud only

Claude Haiku 4.5

Fast and affordable model for high-volume tasks and chatbots.

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Claude Sonnet 4.5

Balance of quality, cost, and speed for production assistants.

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