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OpenAI

Creator of ChatGPT and GPT models. Build with powerful language models for chat, code generation, image creation, and more.

Founded 2015

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Models from OpenAI

11 models

Language models and AI systems created by this company

GPT-5.1 Instant

272K tokens•$1.25/$10.00

• Adaptive reasoning
• Warmer & conversational
• More accurate

GPT-5.1 Thinking

272K tokens•$1.25/$10.00

• Advanced reasoning
• Faster on simple tasks
• More persistent on complex

272K tokens•$1.25/$10.00

• Software-on-demand
• Multimodal
• 88.4% GPQA

272K tokens•$1.25/$10.00

• Agentic coding
• 7+ hour autonomy
• Code review

128K tokens•$2.50/$10.00

• Flagship general-purpose
• Multimodal
• Versatile

200K tokens•$15.00/$60.00

• Most capable reasoning
• Math/science
• PhD-level tasks

1M tokens•$2.00/$8.00

• 1M context
• Long conversations
• Improved reasoning

200K tokens•$1.10/$4.40

• Fast reasoning
• Best on AIME 2024/2025
• Math/coding

272K tokens•$0.25/$2.00

• GPT-5 quality
• 272K context
• Multimodal

128K tokens•Self-hosted/Self-hosted

• Matches o4-mini
• 117B total (5.1B active)
• Open weights

272K tokens•$0.05/$0.40

• High throughput
• Simple tasks
• 272K context

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Tools from OpenAI

Discover the AI tools and products you can use from this company

The world's most popular AI assistant powered by GPT-5.1 (Nov 12, 2025), featuring Instant and Thinking variants. GPT-5.1 Instant offers adaptive reasoning with warmer, more conversational responses. Includes 272K context, web search with 45% fewer factual errors, advanced voice mode, Canvas for iterative work, and custom GPTs.

Code Development

Autonomous AI software engineering agent powered by GPT-5-Codex. Works in terminal, IDE, GitHub, or ChatGPT. Can spend seconds to hours on complex tasks with dynamic thinking. Operates in secure cloud containers, achieving 75% accuracy on coding benchmarks.

Content Creation

OpenAI's video generation AI with realistic audio synchronization. Now supports video-to-video and image-to-video generation, creating longer videos from input media. Generates motion, audio, and storytelling from text prompts.

LLM APIs & Platforms

Access GPT-5, GPT-5 mini, GPT-5-Codex, and DALL-E 3 via API. Includes Realtime API for voice, Assistants API for stateful agents, Batch API for async processing, and function calling. Structured outputs ensure JSON compliance. Industry-standard developer platform.

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