Pricing Trends

OpenAI Pricing Trends: GPT Model Cost History

How OpenAI GPT model prices have changed from 2023 to 2026. Input/output token pricing history for GPT-4o, GPT-4 Turbo, GPT-4, and GPT-3.5 Turbo. Tracked by CostMyAI across all official pricing updates.

Key OpenAI pricing milestones

  • GPT-4 (2023): $30 input / $60 output per 1M tokens — 8k context
  • GPT-4 Turbo (late 2023): $10 input / $30 output per 1M tokens — 128k context
  • GPT-4o (mid 2024): $5 input / $15 output per 1M tokens — 128k context, multimodal
  • GPT-4o price cut (late 2024): $2.50 input / $10 output per 1M tokens
  • GPT-4.1 (2025): $2 input / $8 output per 1M tokens — 1M context window
  • GPT-4.1 Nano (2025): $0.10 input / $0.40 output per 1M tokens — economy tier

OpenAI has reduced frontier model prices by over 90% in three years. The same capability that cost $30/1M tokens in 2023 costs under $2.50/1M tokens in 2026.