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Setup

  1. Create an account at platform.openai.com
  2. Generate an API key under API Keys
  3. Set the environment variable:
export OPENAI_API_KEY=sk-...
  1. Configure in .langsight.yaml:
investigate:
  provider: openai
  model: gpt-4o    # default

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Models

ModelContextBest for
gpt-4o128KDefault — fast, strong reasoning
gpt-4o-mini128KBudget-friendly
o1-mini128KComplex multi-step root cause reasoning

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Pricing

ModelInputOutput
gpt-4o$2.50/1M$10/1M
gpt-4o-mini$0.15/1M$0.60/1M
o1-mini$3/1M$12/1M