GPT-5 Mini (batch)
by OpenAItext+image+file->text1 endpoint
Overview
GPT-5 Mini is a compact version of GPT-5, designed to handle lighter-weight reasoning tasks. It provides the same instruction-following and safety-tuning benefits as GPT-5, but with reduced latency and cost. GPT-5 Mini is the successor to OpenAI's o4-mini model.
Capabilities
Text generation
Image understanding
Tool use / Function calling
Structured output
Extended reasoning
Prompt caching
Long context
File input
Deterministic seed
Modalities
Input
TextImageFile
Output
Text
Technical Specifications
Context Window
400K tokens
Max Output
128K tokens
Knowledge Cutoff
2024-05-31
Tokenizer
GPT
Content Moderation
Enabled
Supported Parameters
include_reasoningmax_tokensreasoningreasoning_effortresponse_formatseedstructured_outputstool_choicetools
Pricing
Per 1M tokens
Input$0.13
Output$1.00
Cache read$0.01
Added
August 7, 2025
Last synced 9/16/2026