OpenAI: o4 Mini

Image input File input Text input Text output
Author's Description

OpenAI o4-mini is a compact reasoning model in the o-series, optimized for fast, cost-efficient performance while retaining strong multimodal and agentic capabilities. It supports tool use and demonstrates competitive reasoning...

Key Specifications
Cost
$$$$$
Context
200K
Released
Apr 16, 2025
Speed
Ability
Reliability
Supported Parameters

This model supports the following parameters:

Tool Choice Include Reasoning Tools Response Format Max Tokens Reasoning Structured Outputs Seed
Features

This model supports the following features:

Structured Outputs Tools Reasoning Response Format
Performance Summary

OpenAI o4-mini is a compact yet powerful reasoning model, demonstrating competitive response times, performing among the faster models in its class (42nd percentile). While its pricing tends to be at premium levels (20th percentile), it exhibits exceptional reliability with a 100% success rate across all benchmarks, ensuring consistent and usable responses. The model excels in General Knowledge, achieving perfect accuracy and standing out as the most accurate model at its price point and speed. It also shows strong performance in Reasoning (98% accuracy, 90th percentile) and Coding (94% accuracy, 88th percentile), outperforming many peers. Its capabilities extend to Mathematics (93% accuracy, 71st percentile) and Email Classification (98% accuracy, 57th percentile). A notable strength is its high accuracy in STEM tasks and visual problem-solving, as well as its efficient tool-chaining and multi-step task resolution. The primary area for improvement appears to be in Instruction Following, where its 76% accuracy places it in the 82nd percentile, indicating room for refinement in complex, multi-layered directives. Hallucination rates are moderate at 86% accuracy (31st percentile).

Model Pricing

Current Pricing

Feature Price (per 1M tokens)
Prompt $1.1
Completion $4.4
Input Cache Read $0.275
Web Search $10000

Price History

Available Endpoints
Provider Endpoint Name Context Length Pricing (Input) Pricing (Output)
OpenAI
OpenAI | openai/o4-mini-2025-04-16 200K $1.1 / 1M tokens $4.4 / 1M tokens
Benchmark Results
Benchmark Category Reasoning Strategy Free Executions Accuracy Cost Duration
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