OpenAI o1-preview API

New AI model from OpenAI for complex reasoning in science, coding, and mathematics.
Output

How to use OpenAI o1-preview API

Install any OpenAI-compatible SDK, point it at api.aimlapi.com/v1, and set the model to .

OpenAI-compatible — swap the base URL and it works with your existing SDK.

OpenAI o1-preview API Pricing

TypePrice
Input
Output

OpenAI o1-preview Benchmarks

BenchmarkScoreWhat it measuresSourceRetrieved
Intelligence
11.4
Composite score across standardised reasoning, knowledge and problem-solving evaluations, measured independently by Artificial AnalysisSourceSeptember 22, 2026
Coding
34
Composite score across standardised coding evaluations, measured independently by Artificial AnalysisSourceSeptember 22, 2026
Math
79.7
Composite score across standardised mathematics evaluations, measured independently by Artificial AnalysisSourceSeptember 22, 2026

OpenAI o1-preview vs other models

ModelInputOutputContextBest for
$6.5 / 1M tokens
$39 / 1M tokens
1M tokens
Reasoning + agents
$2.6 / 1M tokens
$13 / 1M tokens
1M tokens
Balanced coding + agents
$3.9 / 1M tokens
$19.5 / 1M tokens
1M tokens
Long-context, multimodal & agentic workflows
$1.95 / 1M tokens
$11.7 / 1M tokens
1M tokens
Reasoning + agents

Frequently asked questions

Yes, OpenAI o1-preview can stream responses as they are generated.

Yes, OpenAI o1-preview supports both function calling and structured outputs.

OpenAI o1-preview was built by OpenAI.

OpenAI o1-preview is available through OpenAI's v1 API endpoint, supporting function calling, streaming, and structured outputs.

Yes, o1-preview includes reasoning as one of its core capabilities.

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