o1

openai/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...

InputFileImageText
OutputText
Input / Outputclub$15.9 / $63.6per 1M tokens · USD
Context window200Ktoken
Maximum output100Ktoken

Pricing

Current model usage rates. Choose your plan to see its published prices.

Pricing
UsagePricing
InputUS$15.9/ 1M token
Cache readUS$7.95/ 1M token
OutputUS$63.6/ 1M token

Membership and model usage are billed separately. Compare plans

Capabilities

Input
FileImageText
Output
Text
Context window
200,000 token
Maximum output
100,000 token

Providers

Model supply available through Vecbase.

Via OpenRouter

Access is subject to your account’s permissions and model availability.

Frequently asked questions

What is o1, and who develops it?

o1 is a model from OpenAI. Its model ID on Vecbase is openai/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...

How much does o1 cost on Vecbase?

For o1, the Club plan lists USD 15.9 per 1 million input tokens and USD 63.6 per 1 million output tokens, as of 10/23/2026, 4:02:23 AM UTC. See the pricing table for cache rates, input-length tiers and other usage types. Membership fees are separate.

How many tokens fit in o1’s context window?

o1 has a context window of 200,000 tokens. Input and output must fit within the limits of the API you use.

What is the maximum output length for o1?

o1 can generate up to 100,000 tokens per response. Your API or request settings may set a lower limit.

Can o1 call tools in an agent workflow?

Yes. o1 supports tool calling. Your application provides the tool definitions and runs the tools the model requests.

Does o1 support structured outputs?

Yes. o1 supports structured output. Set the required format in your API request and check the returned data before using it.

Which input and output formats does o1 support?

o1 accepts File, Image, and Text and produces Text.

Which providers make o1 available through Vecbase?

Vecbase offers o1 through OpenRouter. Availability may vary by provider.

Which model ID should an agent use to request o1?

Use openai/o1 as the model identifier for o1. See Vecbase’s API documentation for authentication, required inputs and supported request formats.

What does an agent need to access o1 through Vecbase?

To use o1, you need an authenticated account with the required permissions, sufficient balance and the relevant capability enabled. See the documentation for setup.

Is a release date available for o1?

We do not yet have a confirmed release date for o1.

Which models can I compare with o1 on Vecbase?

You can compare o1 with GPT Mini Latest (openai/gpt-mini-latest), GPT-5.5 (openai/gpt-5.5), and GPT-5.6 Luna (openai/gpt-5.6-luna). Check their capabilities and prices to find the best fit for your task.