OpenAI model pricing
gpt-4o API pricing
As of 2026-08-28, OpenAI gpt-4o costs $2.50 per 1M input tokens and $10 per 1M output tokens, from a dated first-party source.
Input
$2.50
per 1M tokens
down 50% from launch · verified · validated 2026-08-28
developers.openai.comOutput
$10
per 1M tokens
down 33% from launch · verified · validated 2026-08-28
developers.openai.com| Series | Date | Value |
|---|---|---|
| Input | 2024-05-13 | $5 |
| Input | 2024-08-06 | $2.50 |
| Input | 2026-08-28 | $2.50 |
| Output | 2024-05-13 | $15 |
| Output | 2024-08-06 | $10 |
| Output | 2026-08-28 | $10 |
Dated price record
Every row is one price observation, with the date it took effect, the date it was last checked against the official page, and a link to that page. Standard published list price, not promotional, batch, or cached rates.
| Tokens | Effective from | Until | Price /1M | Confidence | Source |
|---|---|---|---|---|---|
| Input | 2024-05-13 | 2024-08-06 | $5 | archived | web.archive.org |
| Input | 2024-08-06 | 2026-08-28 | $2.50 | archived | web.archive.org |
| Input | 2026-08-28 | current | $2.50 | verified | developers.openai.com |
| Output | 2024-05-13 | 2024-08-06 | $15 | archived | web.archive.org |
| Output | 2024-08-06 | 2026-08-28 | $10 | archived | web.archive.org |
| Output | 2026-08-28 | current | $10 | verified | developers.openai.com |
Track what you actually spend
These are list prices. To see what gpt-4o actually costs you, priced at the rate in effect on each day, use Goei, our cross-provider cost dashboard, or the claude-code-cost plugin for Claude Code. Both are powered by this same open dataset.
- The AI Price Index dataset - current prices for every model, JSON endpoints, and how to cite it
- The interactive chart - plot gpt-4o against any other model over time
- The fan-out - the data story behind why AI prices stopped having a single number
Open data, CC BY 4.0. Sources: web.archive.org,web.archive.org,developers.openai.com. Prices validated as of 2026-08-31. Release v2026.09.01-c08c809.