O
OpenAI

o1 pricing & price history

visionreasoningtoolsopenai/o1

o1 by OpenAI costs $15.00 per 1M input tokens and $60.00 per 1M output tokens, with a 200K token context window.

$15.00Input / 1M tokens
$60.00Output / 1M tokens
200KContext window
Intelligence index · coding 39.7

Price history

$0.00$34.50$69.00 2026-09-24today input /1M output /1M

No price changes since tracking began on 2026-09-24. We check hourly.

Cost calculator

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About o1

The latest and strongest model family from OpenAI, o1 is designed to spend more time thinking before responding. The o1 model series is trained with large-scale reinforcement learning to reason...

FAQ

How much does o1 cost?

o1 by OpenAI costs $15.00 per 1M input tokens and $60.00 per 1M output tokens, with a 200K token context window. A typical request with 2,000 input and 500 output tokens costs about $0.06.

What is the context window of o1?

o1 supports up to 200,000 tokens of context and up to 100,000 output tokens per request.

Has o1’s price changed?

No price changes recorded since ModelBank started tracking it on 2026-09-24.

Is o1 being deprecated?

No retirement date has been announced for o1 as of 2026-09-24.

What are cheaper alternatives to o1?

Cheaper options include Ministral 3 8B 2512 ($0.15/$0.15), Llama 4 Scout ($0.10/$0.30), MiMo-V2.6-Flash ($0.14/$0.28), Llama Guard 4 12B ($0.18/$0.18).