GPT-5 Nano

Ultra-efficient GPT-5 variant for high-volume applications with reasoning support.

gpt-5-nano
STABLE
400,000 context
Starting at $0.05/M input tokens
Starting at $0.40/M output tokens
Streaming
Tools
Reasoning
JSON Output

Providers for GPT-5 Nano

LLM Gateway routes requests to the best providers that are able to handle your prompt size and parameters.

OpenAI

openai/gpt-5-nano
Context Size
400k
Stability
STABLE
Pricing
Input
$0.05
/M
Cached
$0.01
/M
Output
$0.40
/M
Capabilities
Streaming
Tools
Reasoning
JSON Output
Try in Playground

Azure

UNSTABLE
azure/gpt-5-nano
Context Size
400k
Stability
unstable
Pricing
Input
$0.05
/M
Cached
$0.01
/M
Output
$0.40
/M
Capabilities
Streaming
Tools
Reasoning
JSON Output
Try in Playground
    GPT-5 Nano – AI Model on LLM Gateway