product
Data quality: Editorially ReviewedLanguage (LLM / NLP)
Foundation model
Research assistance & Q&A
Reasoning Models
API / SDK
Text content generation
Usage-based
SaaS (vendor-hosted)
Cross-industry / Horizontal
Enterprise / custom quote
o3
Foundation model
Overview
o3 is an OpenAI reasoning model designed to spend more effort on difficult tasks before producing an answer. Developers can use it for analytical workflows, technical reasoning, and complex code-oriented work.
- Pricing model
- Usage-based
- Deployment
- SaaS (vendor-hosted), API / SDK
- Regions served
- Global
- Categories
- Language (LLM / NLP), Foundation model, Research assistance & Q&A, Reasoning Models, API / SDK, Text content generation, Usage-based, SaaS (vendor-hosted), Cross-industry / Horizontal, Enterprise / custom quote
- Last updated
- 5 October 2026
- Published
- 5 October 2026
Use cases
Research assistance & Q&A
Text content generation
Deployment options
SaaS (vendor-hosted)
API / SDK
Data sources & provenance
Where this information came from, how it was checked and when it was last looked at. “Last updated” records a change to the record — it does not mean the record was verified.
- Data quality
- Data quality: Editorially Reviewed
- Primary source
- openai.com
- Sources cited
- 1
- Last reviewed
- 5 October 2026
- Last updated
- 5 October 2026
Spotted something out of date?
Anyone can suggest a correction — you don't need an account. An editor checks every suggestion against the sources before the record changes.