OpenAI: GPT-5 Nano

openai/gpt-5-nano

Description

GPT-5-Nano is the smallest and fastest variant in the GPT-5 system, optimized for developer tools, rapid interactions, and ultra-low latency environments. While limited in reasoning depth compared to its larger counterparts, it retains key instruction-following and safety features. It is the successor to GPT-4.1-nano and offers a lightweight option for cost-sensitive or real-time applications.

How this model compares

Overall covers the full catalog. By plan covers only models available on that tier (same rules as available models in your list). Position on min–average–max. Prices use the higher of prompt or completion per token, shown per 1M tokens.

Price (per 1M tokens)

Min
Max
This model
336 models in this groupPrice (per 1M tokens)
Min
$0.04
Avg
$12.385886
Max
$750.00
This model: $0.40 / 1M tokens

Context length (tokens)

Min
Max
This model
336 models in this groupContext length (tokens)
Min
4,095 tokens
Avg
382,115.467 tokens
Max
10,000,000 tokens
This model: 400,000 tokens

Capabilities

text+image+file->textContext: 400,000 tokens
Input:
TextImageFile
Output:
Text
    OpenAI: GPT-5 Nano