OpenAItext+image+file->text

OpenAI: GPT-5 Nano

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.

Context Window

400K

Input Price

$0.0500/M tokens

Output Price

$0.4000/M tokens

Modality

text+image+file->text

Pricing Breakdown

Cost per million tokens for input and output

Input$0.0500/M tokens

Output$0.4000/M tokens

Cost Example: Processing 10,000 input tokens and generating 1,000 output tokens would cost approximately $0.000900

Context Window Size

Maximum tokens the model can process in a single request

Context Window400K tokens

40% of 1M max

~300K

Words Equivalent

~200

Pages of Text

~4000

Code Functions

Best Use Cases

What this model excels at

MathReasoningAnalysisVisionImage-analysisMultimodal

Related Categories:

Data Analysis Image Generation

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