LLM Comparison

OpenAI vs Anthropic

Which LLM provider is better for Paperclip agents? Compare models, pricing, context, and use cases.

Feature OpenAI Anthropic
Top modelsGPT-4o, GPT-4o-mini, o1, o1-miniClaude Opus 4, Sonnet 4, Haiku 4.5
Context window128K tokens200K tokens
Input pricing$2.50 / 1M input tokens (GPT-4o), $0.15 / 1M input tokens (GPT-4o-mini)$15 / 1M input tokens (Opus), $3 / 1M input tokens (Sonnet), $0.80 / 1M input tokens (Haiku)
Function callingNativeTool use
VisionYesYes
Extended thinkingo1 modelsAll models

OpenAI strengths

  • Industry-leading reasoning
  • Native function calling
  • Structured outputs
  • Widest ecosystem
  • Vision + text in one model

Anthropic strengths

  • 200K token context window
  • Exceptional instruction following
  • Extended thinking for complex reasoning
  • Strong safety alignment
  • Lower hallucination rates

Choose OpenAI when

Teams that need the best general-purpose reasoning and the broadest third-party ecosystem.

Choose Anthropic when

Teams prioritizing instruction following, long documents, and safety-critical applications.

Deploy with either on HostAgentes

Both providers are available. Switch models without redeploying. Test both and see which performs better for your agents.

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