o4-mini

by openai

Pricing

Input $0.44 / 1M tokens
Output $1.76 / 1M tokens

o4‑Mini Release by OpenAI


Overview

o4‑mini is a fast, lightweight reasoning model by OpenAI, launched in April 2025. Built as part of the o-series (with o3), it balances cost-efficiency and strong reasoning—supporting multimodal input, tool use, and high-performance logic at scale.

  • Release Date: April 16, 2025
  • Multimodal Support: Text + Images (tools enabled)
  • Tool Integration: Code interpreter, browser, image generation
  • Variants: o4-mini and o4-mini-high (slower but higher quality)

Features

  • Fast inference with strong reasoning
  • Vision and diagram-based question answering
  • Tool use: file upload, code execution, browsing
  • High performance on math, science, and QA tasks
  • Compatible with ChatGPT "Think" and Team plans

Benchmarks

Task o4‑Mini Claude 3.5 Haiku DeepSeek V3
AIME (math) 99.5%* 92.0% 91.0%
SWE‑bench (coding) 68.1% 64.7% 63.2%
GPQA Diamond (science) 81.4% 75.8% 70.3%
VisQA (charts/diagrams) ✔️ Strong ✔️ Good ✔️ Moderate

*with code interpreter enabled


Pricing

Type Price per 1M tokens
Input $1.10
Output $4.40

~10× cheaper than GPT-4 Turbo, with highly competitive performance.


Use Cases

  • Scientific and technical reasoning
  • Multimodal visual Q&A (diagrams, charts)
  • Data analysis with code interpreter
  • Real-time coding help and bug fixing
  • Educational tutoring and math solvers

Safety and Stability

  • Based on OpenAI’s o-series safety architecture
  • Moderated for harmful output and misuse
  • Instruction-following and adversarial resilience (partial)
  • Known vulnerability to "gaslighting" prompt degradation

Limitations

  • May degrade under adversarial inputs
  • Multimodal still image-only (no audio/video)
  • Tool performance varies by plan/tier

License

Commercial usage permitted through OpenAI terms and API plans. Available in ChatGPT Free, Plus, Team, and Enterprise environments.