TEXTOpenAI

o1 Pricing

Original reasoning model with chain-of-thought capabilities.

How much does o1 cost?

o1 costs $15 per million input tokens and $60 per million output tokens (January 2026).

Last updated: 2026-01

Pricing

Input
$15.00
per 1M tokens
Output
$60.00
per 1M tokens

Specifications

Tier
frontier
Capabilities
reasoningmathcode

Frequently Asked Questions

How much does o1 cost?

o1 costs $15 per million input tokens and $60 per million output tokens as of January 2026. For example, processing 1,000 tokens costs $0.015000 for input.

Is o1 worth the price?

o1 is a premium model best for complex tasks requiring highest quality. Original reasoning model with chain-of-thought capabilities.

What are alternatives to o1?

Alternatives to o1 include models from Anthropic (Claude), Google (Gemini). Compare pricing and capabilities on our AI Pricing page.

Cost Calculator

VolumeInput CostOutput Cost
1K tokens$0.015$0.060
10K tokens$0.150$0.600
100K tokens$1.50$6.00
1M tokens$15.00$60.00

Prices based on official OpenAI documentation. Actual costs may vary.

Last updated: 2026-01