GPT-5 Nano

openai/gpt-5-nano

Overview

Capabilities

Tool callingVisionStructured outputStreaming

Pricing (lowest)

$0.05/M / $0.40/M

Context window

400K

Modality

Multimodal

Hosts

1 host

Vendor details

	OpenAI
Input cost	$0.05/M
Output cost	$0.40/M
Currency	USD
Availability	available
Context window	400K
Max output	128K
Zero data retention	Yes
Launched	Aug 2025
Capabilities	Tool callingTool choiceStructured outputStreaming
Modalities	Input: TextInput: ImageInput: DocumentOutput: TextOutput: Tool use

Intelligence

Intelligence index

19.9

Coding index

-

Math index

83.7