OpenAI · Legacy

GPT-3.5 Turbo API Pricing · Cost per Token

GPT-3.5 Turbo is a legacy OpenAI model. GPT-4o mini outperforms it at lower cost and should be preferred for all new deployments.

Current pricing

  • Input tokens: $0.50 per 1M tokens
  • Output tokens: $1.50 per 1M tokens
  • Context window: 16k tokens
  • Provider: OpenAI

Cost at common workload volumes

  • 1,000 requests/day (500 input + 300 output tokens each): calculate in the cost calculator below
  • Prompt caching: available on select OpenAI models to reduce repeated-context costs
  • Batch API: 50% discount for async workloads on eligible models
Calculate my GPT-3.5 Turbo cost