OpenAI › GPT-4o (2024-11-20) › Pricing
GPT-4o (2024-11-20) pricing
API list price by OpenAI · checked Oct 23, 2026
$2.50 / $10per 1M tokens in / out
$1.25cache read · −50%
#353on OpenRouter by tokens · 735M / week
Price sheetper 1M tokens
| Input | $2.50 | list |
| Output | $10 | |
| Cache read | $1.25 | −50% vs input |
| Context · max output | 128K · 16K | tokens |
Where to buy1 provider · per 1M tokens
| Provider | Input | Output | Context |
|---|---|---|---|
| OpenAIlab | $2.50 | $10 | 128K |
In OpenAI's line-upper 1M in / out
| GPT-6.1 Sol | $2 / $10 | −9% |
| GPT-4o | $2.50 / $10 | 0% |
| GPT-4o (2024-08-06) | $2.50 / $10 | 0% |
| GPT-4o (2024-11-20) | $2.50 / $10 | this model |
| GPT-4o Transcribe Diarize | $2.50 / $10 | 0% |
| GPT-5.6 Terra | $2 / $12 | +3% |
| GPT-5.2 (2025-12-11) | $1.75 / $14 | +10% |
Pricing questions
How much does GPT-4o (2024-11-20) cost?›
$2.50 per 1M input tokens and $10 per 1M output tokens. Cached input is $1.25.
Is GPT-4o (2024-11-20) free to use?›
There is no free API tier.
How much does prompt caching save?›
Cache reads cost $1.25 per 1M, 50% below the input price.