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 (GPT-4o), $0.15 / 1M input (GPT-4o-mini)$15 / 1M input (Opus), $3 / 1M input (Sonnet), $0.80 / 1M input (Haiku)
Function CallingNativeTool use
VisionYesYes
Extended Thinkingo1 modelsAll models

OpenAI Strengths

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

Anthropic Strengths

  • 200K 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 largest third-party ecosystem.

Choose Anthropic when

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

Deploy with Either on HostAgentes

Both providers are supported. Swap models without redeploying. Try both and see which performs better for your agents.

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