OpenAI o4-mini

{{Short description|OpenAI reasoning language model}}{{Infobox software

| name = o4-mini

| developer = OpenAI

| released = {{Start date|2025|04|16}}

| latest release version =

| latest release date =

| replaces = OpenAI o3-mini

| replaced_by =

| genre = {{indented plainlist|

• Generative pre-trained transformer
• Reasoning large language model

}}

| license =

}}

OpenAI o4-mini is a generative pre-trained transformer model created by OpenAI. On April 16, 2025, the o4-mini model was released to all ChatGPT users (including free-tier users) as well as via the Chat Completions API and Responses API.{{cite web |title=Introducing OpenAI o3 and o4-mini |url=https://openai.com/index/introducing-o3-and-o4-mini/ |website=OpenAI |access-date=17 April 2025 |ref=introducing-openai-o3-and-o4-mini}}{{cite web |last=Mauran |first=Cecily |title=OpenAI announces o3 and o4-mini reasoning models for ChatGPT (updated) |url=https://mashable.com/article/openai-announced-o3-o4-mini-reasoning-models-chatgpt |access-date=17 April 2025 |website=Mashable |date=16 April 2025 |publisher= |ref=openai-announces-o3-and-o4-mini-mashable}}{{cite web |last1=Nuñez |first1=Michael |title=OpenAI launches o3 and o4-mini, AI models that 'think with images' and use tools autonomously |url=https://venturebeat.com/ai/openai-launches-o3-and-o4-mini-ai-models-that-think-with-images-and-use-tools-autonomously/ |website=VentureBeat |date=16 April 2025 |access-date=17 April 2025 |ref=openai-launches-o3-and-o4-mini-venturebeat}}{{Cite news |last=Metz |first=Cade |date=2025-04-16 |title=OpenAI Unveils New 'Reasoning' Models o3 and o4-mini |url=https://www.nytimes.com/2025/04/16/technology/openai-reasoning-models-o3-o4-mini.html |access-date=2025-04-17 |work=The New York Times |language=en-US |issn=0362-4331}}

Additionally, OpenAI introduced the o4-mini-high model, which was made available exclusively to paid-tier ChatGPT users. The high model offers more advanced features, including higher response accuracy and faster processing times.{{Cite web |last= |first= |date=2025-04-17 |title=OpenAI bringt o3 und o4-mini raus |url=https://www.heise.de/news/OpenAI-bringt-o3-und-o4-mini-raus-10355096.html |access-date=2025-04-17 |website=heise online |language=de}}

Unlike earlier models, o4-mini is capable of processing both text and images. It also allows to perform tasks like analyzing whiteboard sketches during its "chain-of-thought" phase.{{Cite web |last=Zeff |first=Maxwell |date=2025-04-16 |title=OpenAI launches a pair of AI reasoning models, o3 and o4-mini |url=https://techcrunch.com/2025/04/16/openai-launches-a-pair-of-ai-reasoning-models-o3-and-o4-mini/ |access-date=2025-04-17 |website=TechCrunch |language=en-US}}

o4-mini API providers says that it's designed to enhance decision-making across sectors by enabling utilities to forecast demand and analyze infrastructure data, supporting healthcare through extraction and interpretation of medical records and diagnostics, and assisting financial institutions with real-time regulatory compliance and risk assessment through automated document analysis and data processing.{{Cite web |last=AI/ML |first=API |date=2025-04-17 |title=Build With OpenAI o4-mini |url=https://aimlapi.com/build-with-chatgpt-o4-mini |access-date=2025-04-17 |website=AIML API |language=en-US}}