Skip to content
LLMs
OpenAI logo

OpenAI: o1

by OpenAI

OpenAI: o1 is a large language model from OpenAI. It costs $15.00 per million input tokens and $60.00 per million output tokens. Its context window is 200K tokens.

ReasoningTool callingStructured outputPrompt cachingimage inputfile input
Input / 1M tokens
$15.00
Output / 1M tokens
$60.00
Cached input / 1M
$7.50

On repeated prefixes

Context window
200K

tokens

This model also charges $0.01 per search request

That is $10.00 per 1,000 requests, billed on top of the token prices above. On a typical 1,000-in / 500-out exchange the tokens cost $0.045, so the search fee is 22% on top. Per-token rankings elsewhere ignore this entirely.

Who serves it cheapest

1 hosts serve o1. Same weights, same API - the price difference is pure margin and routing.

Providers serving OpenAI: o1, cheapest first
ProviderInput / 1MOutput / 1MContextThroughputUptime 24h
OpenAICheapest$15.00$60.00200K-100.0%

Benchmarks

Independent scores published alongside the catalogue.

Coding index
39.7

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...

Specifications

OpenAI: o1 specifications
Model IDopenai/o1
ProviderOpenAI
Context window200K tokens
Max output100K tokens
Input modalitiestext, image, file
Output modalitiestext
Knowledge cutoff2023-10-31
Open weightsNo
ReleasedDecember 17, 2024

Cheaper alternatives

Models that cost less than o1 while keeping at least half its context window and every input modality it supports.

Frequently asked

How much does OpenAI: o1 cost?

$15.00 per million input tokens and $60.00 per million output tokens. Cached input reads cost $7.50 per million tokens.

What is the context window of OpenAI: o1?

200K tokens, with up to 100K tokens of output per request.

Does OpenAI: o1 have extra fees beyond per-token pricing?

Yes. OpenAI: o1 charges $0.01 per search request - $10.00 per 1,000 requests - on top of $15.00 per million input tokens and $60.00 per million output tokens. On a typical 1,000-input / 500-output exchange the search fee alone is 22% on top.

Confirm against the source: OpenAI official pricing.