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openai: OpenAI GPT-5 Nano

gpt-5-nano

Context: 400k

Max Output: 128k

Input: $0.050/1M

Output: $0.400/1M

GPT-5 Nano is the smallest and fastest model in the GPT-5 family, designed for ultra-low latency applications. Despite its compact size, it maintains the full 400K context window and delivers impressive performance on classification, completion, and simple reasoning tasks. Ideal for real-time applications, edge deployments, and high-throughput scenarios.

Input: Text, Image

Output: Text

Providers

openai

Credits

Context400k

Max Output128k

Input$0.050/1M

Output$0.400/1M

Cache Read$0.0050/1M

Cache Write—

helicone

Credits

Context400k

Max Output128k

Input$0.050/1M

Output$0.400/1M

Cache Read$0.0050/1M

Cache Write—

openrouter

Credits

Context400k

Max Output128k

Input (Max)$0.050/1M

Output (Max)$0.420/1M

Cache Read—

Cache Write—

Quick Start

Use OpenAI GPT-5 Nano through Helicone's AI Gateway with automatic logging and monitoring.