Use OpenAI Models in Big-AGI.

New baseline for complex production workflows. Stronger task execution, more precise tool use, more efficient reasoning with fewer tokens. 1M token context.

Most capable model for complex tasks. Uses more compute for smarter, more precise responses on the hardest problems.

Strongest mini model for coding, computer use, and subagents. GPT-5.4-class intelligence at lower cost and latency.

Cheapest GPT-5.4-class model for simple high-volume tasks like classification and data extraction.

Most capable and efficient frontier model for professional work. Native computer use, improved reasoning, coding, and agentic workflows with 1M token context.

Most capable model for complex tasks. Uses more compute for smarter, more precise responses on difficult problems.

GPT-5.3 Instant model, previously powering ChatGPT. Replaced by GPT-5.5 Instant.

Best voice model for audio in, audio out with Chat Completions. Accepts audio inputs and outputs.

Most capable agentic coding model. Combines frontier coding performance of GPT-5.2-Codex with reasoning and professional knowledge of GPT-5.2. ~25% faster.

Cost-efficient audio model. Accepts audio inputs and outputs via Chat Completions REST API.

Most capable model for professional work and long-running agents. Improvements in general intelligence, long-context, agentic tool-calling, and vision.

GPT-5.2 Instant model, previously powering ChatGPT. Replaced by GPT-5.5 Instant.

Smartest and most trustworthy option for difficult questions. Uses more compute for harder thinking on complex domains like programming.

GPT-5.2 optimized for long-horizon, agentic coding tasks in Codex or similar environments. Supports low, medium, high, and xhigh reasoning effort settings.

Our most intelligent coding model optimized for long-horizon, agentic coding tasks.

The best model for coding and agentic tasks with configurable reasoning effort.

A version of GPT-5.1 optimized for agentic coding tasks in Codex or similar environments.

Smaller, faster version of GPT-5.1 Codex for efficient coding tasks.

GPT-5.1 Instant with adaptive reasoning. More conversational with improved instruction following.

Updated web search model in Chat Completions API. 60% cheaper with domain filtering support.

Version of GPT-5 that uses more compute to produce smarter and more precise responses. Designed for tough problems.

A version of GPT-5 optimized for agentic coding in Codex.

First generally available audio model. Accepts audio inputs and outputs, and can be used in the Chat Completions REST API.

Fastest, most cost-efficient version of GPT-5 for summarization and classification tasks.

A faster, more cost-efficient version of GPT-5 for well-defined tasks.

GPT-5 model used in ChatGPT.

The best model for coding and agentic tasks across domains.

Our most powerful deep research model for complex, multi-step research tasks.

Faster, more affordable deep research model for complex, multi-step research tasks.

Version of o3 with more compute for better responses. Provides consistently better answers for complex tasks.

A well-rounded and powerful model across domains. Sets a new standard for math, science, coding, and visual reasoning tasks.

Latest o4-mini model. Optimized for fast, effective reasoning with exceptionally efficient performance in coding and visual tasks.

Flagship GPT model for complex tasks. Major improvements on coding, instruction following, and long context with 1M token context window.

Fastest, most cost-effective GPT 4.1 model. Delivers exceptional performance with low latency, ideal for tasks like classification or autocompletion.

Balanced for intelligence, speed, and cost. Matches or exceeds GPT-4o in intelligence while reducing latency by nearly half and cost by 83%.

A version of o1 with more compute for better responses. Provides consistently better answers for complex tasks.

Latest snapshot of the GPT-4o Mini model optimized for web search capabilities.

Latest snapshot of the GPT-4o model optimized for web search capabilities.

Latest o3-mini model snapshot. High intelligence at the same cost and latency targets of o1-mini. Excels at science, math, and coding tasks.

Previous full o-series reasoning model.

Affordable model for fast, lightweight tasks. GPT-4o Mini is cheaper and more capable than GPT-3.5 Turbo.

Original gpt-4o snapshot from May 13, 2024.

GPT-4 Turbo with Vision model. Vision requests can now use JSON mode and function calling. gpt-4-turbo currently

The latest GPT-3.5 Turbo model with higher accuracy at responding in requested formats.

The latest GPT-3.5 Turbo model with higher accuracy at responding in requested formats.

GPT-3.5 Turbo model with improved instruction following, JSON mode, reproducible outputs, parallel function calling, and more.

Snapshot of gpt-4 from June 13th 2023 with improved function calling support. Data up to Sep 2021.

Snapshot of gpt-4 from June 13th 2023 with improved function calling support. Data up to Sep 2021.