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OpenAI: GPT-5.4 Nano
openai/gpt-5.4-nano
VisionTool useJSONReasoningStreaming
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...
Pricing
Input
$0.2 / 1M
Output
$1.25 / 1M
Specs
Context
400,000 tokens
Input
file, image, text
Output
text
Knowledge cutoff: 2025-08-31
Released: 2026-03
Supported parameters
include_reasoningmax_completion_tokensmax_tokensreasoningresponse_formatseedstructured_outputstool_choicetools