GPT-5.4 Nano
by OpenAItext+image+file->text2 endpoints
Overview
GPT-5.4 nano is the most lightweight and cost-efficient variant of the GPT-5.4 family, optimized for speed-critical and high-volume tasks. It supports text and image inputs and is designed for low-latency...
Capabilities
Text generation
Image understanding
Tool use / Function calling
Structured output
Extended reasoning
Prompt caching
Web search
Long context
Modalities
Input
FileImageText
Output
Text
Technical Specifications
Context Window
400K tokens
Max Output
128K tokens
Knowledge Cutoff
2025-08-31
Tokenizer
GPT
Uptime (24h)
9891.3%
Supported Parameters
include_reasoningmax_completion_tokensmax_tokensreasoningresponse_formatseedstructured_outputstool_choicetools
Pricing
Per 1M tokens
Input$0.20
Output$1.25
Cache read$0.02
Web search$10000.00