OClosed Weights

OpenAI o3

Best Input Price

$2.00 / 1M

Deliberate o-series reasoner for hard math, coding, and multi-step analysis

Context Window

200,000 tokens

Reasoning

Tool Calling

Supported

Released

2024-06-01

Inference Providers (2)

Provider	Model ID	Context	Input / 1M	Output / 1M	Action
Helicone	o3	200,000	$2.00	$8.00	Docs ↗
OpenAI	o3	200,000	$2.00	$8.00	Docs ↗