GPT-5.4 Mini

GPT-5.4 Mini

Developer	OpenAI
Release date	March 17, 2026
Family	GPT
Generation	GPT-5.4
Level
Context window	400K tokens
Max output	128K tokens
Input	File, image, text
Output	Text
Knowledge cutoff	2025-08-31
Weights	Closed
Predecessor	GPT-5 Mini
Website	openai.com
Links	Docs

Part of a series on

input: $0.75
cached: $0.075
output: $4.50
Context: 400Ktokens
Released: 8mo ago

Specifications

Model

Developer: OpenAI
Family: GPT GPT-5.4
Type: Language model
Released: March 17, 2026
Model ID: openai/gpt-5.4-mini

Capabilities

Input → output: File, image, text → Text
Max output: 128K tokens
Tokenizer: GPT
Knowledge cutoff: 2025-08-31

Weights

Openness: Closed

Sources:models.devOpenRouter

Metadata synced Nov 5, 2026, 3:04 PM UTC

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