OpenAI

GPT-5.4 Mini (batch)

by OpenAItext+image+file->text1 endpoint

Overview

GPT-5.4 mini brings the core capabilities of GPT-5.4 to a faster, more efficient model optimized for high-throughput workloads. It supports text and image inputs with strong performance across reasoning, coding, and tool use, while reducing latency and cost for large-scale deployments.

The model is designed for production environments that require a balance of capability and efficiency, making it well suited for chat applications, coding assistants, and agent workflows that operate at scale. GPT-5.4 mini delivers reliable instruction following, solid multi-step reasoning, and consistent performance across diverse tasks with improved cost efficiency.

Capabilities

Text generation
Image understanding
Tool use / Function calling
Structured output
Extended reasoning
Prompt caching
Long context
File input
Deterministic seed

Modalities

Input
FileImageText
Output
Text

Technical Specifications

Context Window
400K tokens
Max Output
128K tokens
Knowledge Cutoff
2025-08-31
Tokenizer
GPT
Content Moderation
Enabled

Supported Parameters

include_reasoningmax_tokensreasoningreasoning_effortresponse_formatseedstructured_outputstool_choicetools

Pricing

Per 1M tokens
Input$0.38
Output$2.25
Cache read$0.04
Added
March 17, 2026
Last synced 9/16/2026