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LLM ComparisonClaude 4 SonnetClaude 3 Haiku

Claude 4 Sonnet vs Claude 3 Haiku

Compare Claude 4 Sonnet and Claude 3 Haiku. Build AI products powered by either model on Appaca.

Model Comparison

FeatureClaude 4 SonnetClaude 3 Haiku
ProviderAnthropicAnthropic
Model Typetexttext
Context Window1,000,000 tokens200,000 tokens
Input Cost
$3.00/ 1M tokens
$0.25/ 1M tokens
Output Cost
$15.00/ 1M tokens
$1.25/ 1M tokens

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Strengths & Best Use Cases

Claude 4 Sonnet

Anthropic
  • Hybrid reasoning: supports both fast (“near-instant”) and extended thinking modes.
  • Optimised for responsiveness, cost and high-volume production workloads.
  • Strong coding performance relative to prior Sonnet versions (improved over Sonnet 3.7).
  • Available even in free tiers (alongside paid plans).
  • Better suited for general-purpose use and agents where speed + cost-efficiency matter.

Claude 3 Haiku

Anthropic

1. Speed

  • Fastest model in the Claude 3 family
  • Near-instant responses for chat, support, and live tools

2. Efficiency

  • Most affordable model
  • Ideal for massive-scale applications and low-latency use cases

3. Practical Use Cases

  • Customer support
  • Translations
  • Moderation
  • Logistics, inventory systems
  • Extracting insights from unstructured data

4. Vision Skills

  • Handles charts, images, and diagrams quickly
  • Useful for scanning large volumes of visual data

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