GPT 5 Nano
Fastest, most cost-efficient version of GPT-5GPT-5 Nano is fastest, cheapest version of GPT-5. It's great for summarization and classification tasks.
Fastest, most cost-efficient version of GPT-5GPT-5 Nano is fastest, cheapest version of GPT-5. It's great for summarization and classification tasks.
Intelligence
Lower
Speed
Fastest
Price
$0.05 • $0.40
Input • Output
Input
Text
Output
Text
Fastest, most cost-efficient version of GPT-5GPT-5 Nano is fastest, cheapest version of GPT-5. It's great for summarization and classification tasks.
400000 context window
100000 max output tokens
knowledge cutoff
Modalities
Text
Input and output
Image
Not supported
Audio
Not supported
Video
Not supported
Endpoints
Chat Completions
v1/chat/completions
Responses
v1/responses
Realtime
v1/realtime
Assistants
v1/assistants
Batch
v1/batch
Fine-tuning
v1/fine-tuning
Embeddings
v1/embeddings
Image generation
v1/images/generations
Videos
v1/videos
Image edit
v1/images/edits
Speech generation
v1/audio/speech
Transcription
v1/audio/transcriptions
Translation
v1/audio/translations
Moderation
v1/moderations
Completions (legacy)
v1/completions
Features
Streaming
Supported
Function calling
Supported
Structured outputs
Supported
Fine-tuning
Not supported
Distillation
Not supported
Tools
Tools supported by this model when using the Responses API.
Web search
Supported
File search
Supported
Image generation
Supported
Code interpreter
Supported
Computer use
Not supported
MCP
Supported