GPT-5 Nano API
About
Integrate multimodal vision capabilities using GPT-5 Nano, designed to process both text and images seamlessly. This model delivers cost-effective pricing at $0.05/1M input and $0.40/1M output tokens, native tool calling support. Access GPT-5 Nano via the Ofox API with up to 128K output tokens.
Capabilities
Input Modalities
textimage
Output Modalities
text
Reasoning
No
Structured Output
Yes
Tool Use
Yes
WeightsClosed
Temperature
Fixed
Attachment
Supported
Limits
Context Window
400K
Tokens
Input Limit
272K
Tokens
Max Output
128K
Tokens
Pricing
Standard (per 1M tokens)
Input
$0.05
Output
$0.40
Caching (per 1M tokens)
Read
$0.01
Frequently Asked Questions
GPT-5 Nano by Ofox costs $0.05 per 1M input tokens and $0.40 per 1M output tokens. Cached reads cost $0.01 per 1M tokens.
Model Details
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
OFOX_API_KEY
API Base URL
https://api.ofox.ai/v1