GPT-4oPricing — Token Costs & API Calculator
Official API pricing for GPT-4o by OpenAI, with context window, tokenizer details, and a plain-English cost estimate.
Pricing Details
| Attribute | Value |
|---|---|
| Provider | OpenAI |
| Input cost (per 1M tokens) | $2.50 |
| Output cost (per 1M tokens) | $10.00 |
| Context caching | Not supported |
| Batch API discount | 50% off |
| Context window | 128k tokens |
| Tokenizer | o200k_base (GPT-4o / o-series) |
Cost example
1,000 requests × 500 input tokens × 200 output tokens costs $3.25/month with GPT-4o at OpenAI's published rates.
Based on $2.5/1M input tokens and $10/1M output tokens.