OpenAI GPT-5 Nano API
About
Build advanced reasoning agents with OpenAI GPT-5 Nano, a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers cost-effective pricing at $0.05/1M input and $0.40/1M output tokens, native tool calling support. Access OpenAI GPT-5 Nano via the DigitalOcean API with up to 128K output tokens.
Capabilities
Input Modalities
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Output Modalities
text
Reasoning
Yes
Structured Output
Limits
Context Window
400K
Tokens
Input Limit
400K
Tokens
Max Output
128K
Tokens
Pricing
Standard (per 1M tokens)
Input
$0.05
Output
$0.40
Caching (per 1M tokens)
Read
$0.0050
Frequently Asked Questions
OpenAI GPT-5 Nano by DigitalOcean costs $0.05 per 1M input tokens and $0.40 per 1M output tokens. Cached reads cost $0.0050 per 1M tokens.
Model Details
ID
openai-gpt-5-nano
Provider
DigitalOceanFamily
gpt-nano
Release Date
Aug 7, 2025
Knowledge Cutoff
May 30, 2024
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
DIGITALOCEAN_ACCESS_TOKEN
API Base URL
https://inference.do-ai.run/v1