Claude Haiku 4.5 vs GPT-5.5

< Large Language Models (LLM)

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

Claude Haiku 4.5GPT-5.5
ProviderAnthropicOpenAI
Pricing$15–100/mo$80–400/mo
Quality
8.2/10
9.1/10
Speed
9.4/10
8.4/10
Ease of use
8.5/10
8/10
Value
8/10
5/10
Context200K256K
TasksText Generation, Chatbots, Coding, Data Analysis, Translation, RAG / SearchText Generation, Chatbots, Coding, Data Analysis, Translation, RAG / Search
Pros
  • + Cheap
  • + Fast
  • + Good for volume
  • + Stable fallback
  • + Cheaper than 5.6
  • + Proven quality
Cons
  • Weaker on hard reasoning
  • No longer the top of the lineup

Claude Haiku 4.5

Fast budget Claude for simple and high-volume tasks.

Learn more →

GPT-5.5

Previous OpenAI flagship — stable fallback, cheaper than GPT-5.6.

Learn more →