OpenAIo1-preview API pricing

Preview September 12, 2024 source
Deprecated April 28, 2025 source
Retired July 28, 2025 source

o1-preview was retired on July 28, 2025. Its last price was $15.00 per 1M input tokens and $60.00 per 1M output tokens.

Last price

Rates in effect from a prices added first seen between January 29, 2025 and February 1, 2025. Every price links to its source.

Input: $15.00
Output: $60.00
Blended 3:1: $26.25

o1-preview last rates per 1M tokens
Rate	Per 1M tokens
Standard
Input	$15.00
Cached input	$7.50
Output	$60.00
Batch
Input	$7.50
Output	$30.00

Launch price

o1-preview launched at this price on September 12, 2024.

Input: $15.00
Output: $60.00
Blended 3:1: $26.25

Price history

InputOutput

Headline standard prices per 1M tokens. A filled circle marks a dated change; an open circle, a change first seen between two captures.

Every price event

3 verified events, newest first. No price moves. Documented since September 12, 2024.

Prices added · first seen between January 29, 2025 and February 1, 2025
- Batch input added at $7.50
- Batch output added at $30.00
Rates from first seen between January 29, 2025 and February 1, 2025
Rate Per 1M tokens

Standard
Input $15.00
Cached input $7.50
Output $60.00

Batch
Input $7.50
Output $30.00

The 2025-01-29 capture (20250129060213) prices o1-preview in a single 'Pricing' column; the 2025-02-01 capture adds 'Pricing with Batch API' at $7.50 input / $30.00 output. No batch cached-input price is listed.
- Price: Archived page (openai.com, captured February 1, 2025)
  quote
  o1-preview Pricing Pricing with Batch API*** $15.00 / 1M input tokens $7.50 / 1M input tokens $7.50 / 1M cached* input tokens $60.00 / 1M output** tokens $30.00 / 1M output** tokens
Prices added · October 1, 2024
- Cached input added at $7.50
Rates from October 1, 2024
Rate Per 1M tokens

Input $15.00
Cached input $7.50
Output $60.00

Prompt Caching launched (cached input $7.50). Standard rates unchanged.
- Price: Archived page (openai.com, captured October 2, 2024)
  quote
  o1 o1-preview | $15.00 | $7.50 | $60.00
- Price: Archived page (openai.com, captured October 3, 2024)
  quote
  o1-preview $15.00 / 1M input tokens $7.50 / 1M cached* input tokens $60.00 / 1M output** tokens
- Date: Archived page (openai.com, captured October 2, 2024)
  quote
  Starting today, Prompt Caching is automatically applied on the latest versions of GPT-4o, GPT-4o mini, o1-preview and o1-mini, as well as fine-tuned versions of those models.
- Date: Archived page (openai.com, captured October 2, 2024)
  quote
  October 1, 2024
Launch price · September 12, 2024

Rates from September 12, 2024
Rate Per 1M tokens

Input $15.00
Output $60.00

Tier-5 developers only at launch. Price from the pricing capture of 2024-09-13; the launch post gives no price.
- Price: Archived page (openai.com, captured September 13, 2024)
  quote
  o1-preview $15.00 / 1M input tokens $60.00 / 1M output tokens ... o1-mini $3.00 / 1M input tokens $12.00 / 1M output tokens
- Date: Archived page (openai.com, captured September 12, 2024)
  quote
  Developers who qualify for API usage tier 5 ... can start prototyping with both models in the API today with a rate limit of 20 RPM.
- Date: Changelog (developers.openai.com)
  quote
  September, 2024 / Sep 12 / Released o1-preview and o1-mini, new large language models trained with reinforcement learning to perform complex reasoning tasks.

Rates from first seen between January 29, 2025 and February 1, 2025
Rate	Per 1M tokens
Standard
Input	$15.00
Cached input	$7.50
Output	$60.00
Batch
Input	$7.50
Output	$30.00

Rates from October 1, 2024
Rate	Per 1M tokens
Input	$15.00
Cached input	$7.50
Output	$60.00

Rates from September 12, 2024
Rate	Per 1M tokens
Input	$15.00
Output	$60.00

Gaps in this history

Batch start bounded between the 2025-01-29 and 2025-02-01 captures (no candidate).

API ids

o1-preview
o1-preview-2024-09-12

Checked October 29, 2026.