OpenAI
Major Foundation Lab69 Canonical ModelsOpenAI foundation models, inference API endpoints, and pricing.
Models by OpenAI
Specifications, context windows, and pricing for OpenAI models
Frontier GPT-5.6 model for complex professional work, coding, and agentic workflows
More exact GPT-5.4 tier for demanding professional reasoning and agent tasks
Balanced GPT-5.6 model for capable, cost-efficient everyday work
OpenAI's most efficient model for focused, high-volume tasks
Default frontier GPT for coding, computer use, research, and knowledge work
Agent-ready GPT for coding and computer-use workflows at a lower cost
Highest-accuracy GPT-5.5 tier for slower, precision-heavy reasoning and coding
Cost-efficient GPT-5.6 model for fast, high-volume workloads
GPT-6 Astra is OpenAI's most capable model for complex reasoning, coding, computer use, research, and document creation.
Fast variant of GPT-6 Astra for low-latency assistance and high-volume workloads.
Near-Astra performance for complex coding, computer use, and professional work at a lower cost.
OpenAI model for complex coding and agentic workflows
Long-lived GPT workhorse for coding, instruction following, and production apps
Tiny GPT-4.1 option for classification, routing, and very high-volume tasks
Affordable GPT-4.1 lane for fast coding help and structured extraction
Cybersecurity model for authorized vulnerability research and security testing
Coding-optimized GPT model for repository edits, reviews, and agentic software work
Image model for prompt-driven generation, editing, and visual design workflows
Strong small GPT for coding subagents, quick tool use, and high-volume work
Sharper GPT-5 generation for coding, product work, and tool-assisted tasks
Small GPT-5 for responsive agents, coding help, and everyday automation
Image model for prompt-driven generation, editing, and visual design workflows
Higher-accuracy GPT-5.2 variant for tougher reasoning and review workflows
Higher-accuracy GPT-5 tier for tough analysis, coding reviews, and planning
Coding-optimized GPT model for repository edits, reviews, and agentic software work
Code-specialist GPT for repository edits, reviews, and long-running software agents
Codex GPT for repository edits, code review, and practical software agents
Tiny GPT-5 lane for routing, extraction, classification, and bulk jobs
Reliable GPT generation for broad coding, writing, and tool-assisted product work
Original GPT-5 workhorse for reasoning, coding, writing, and tool workflows
Coding-optimized GPT model for repository edits, reviews, and agentic software work
Compact GPT model for low-latency assistance and high-volume workloads
Chat-tuned GPT model for conversational assistance, writing, and tool workflows
Cheapest GPT-5.4 lane for simple routing, extraction, and bulk automation
Coding-optimized GPT model for repository edits, reviews, and agentic software work
Image model for prompt-driven generation, editing, and visual design workflows
Fast o-series model for compact reasoning, coding, and tool use
O-series reasoning model for hard analysis, math, coding, and planning
Research model for long-horizon investigation, synthesis, and analytical reports
Smaller o-series reasoner for economical coding, math, and planning tasks
High-effort o3 tier for difficult technical reasoning and careful answers
Research model for long-horizon investigation, synthesis, and analytical reports
Deliberate o-series reasoner for hard math, coding, and multi-step analysis
O-series reasoning model for hard analysis, math, coding, and planning
Safety model for policy screening, moderation, and risk-aware routing workflows
Open GPT reasoning model for self-hosted agents and controllable deployments
Open GPT reasoning model for self-hosted agents and controllable deployments
Safety model for policy screening, moderation, and risk-aware routing workflows
Image model for prompt-driven generation, editing, and visual design workflows
Omni-era GPT for multimodal chat, practical coding, and general assistants
Image model for prompt-driven generation, editing, and visual design workflows
Chat-tuned GPT-5.1 for polished assistants, writing, and product conversations
Realtime speech-to-speech model with configurable reasoning, tool use, and robust voice-agent behavior
GPT model for general reasoning, writing, coding, and tool-assisted tasks
Chat-tuned GPT model for conversational assistance, writing, and tool workflows
Image model for prompt-driven generation, editing, and visual design workflows
Coding-optimized GPT model for repository edits, reviews, and agentic software work
Image model for prompt-driven generation, editing, and visual design workflows
GPT model for general reasoning, writing, coding, and tool-assisted tasks
Compact GPT model for low-latency assistance and high-volume workloads
Chat-tuned GPT model for conversational assistance, writing, and tool workflows
OpenAI image model for production generation, edits, and brand-safe visual workflows
GPT model for general reasoning, writing, coding, and tool-assisted tasks
Small omni GPT for cheap multimodal assistance and production-scale traffic
Compact GPT model for low-latency assistance and high-volume workloads
Streaming speech-to-text model for low-latency transcript deltas from live audio
GPT model for general reasoning, writing, coding, and tool-assisted tasks
Open Whisper checkpoint for robust multilingual transcription and captioning
Speech transcription model for accurate audio-to-text and captioning workflows