OpenAI: GPT-5 Nano
OpenAIproenterprise
openai/gpt-5-nanoDescription
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...
Specifications
Context Window
400,000
tokens
Input Modalities
textimagefile
Output Modalities
text
Supported Parameters
include_reasoningmax_completion_tokensmax_tokensreasoningresponse_formatseedstructured_outputstool_choicetools
Pricing
| Price Type | Rate | Unit |
|---|---|---|
| Input (Prompt) | $0.000000 | per 1M tokens |
| Output (Completion) | $0.000000 | per 1M tokens |
| Cache Read | $0.000000 | per 1M tokens |
Tier Availability
Free
Not Available
Pro
✓ Available
Enterprise
✓ Available