All AI models · OpenAI

OpenAI model list

All 56 notable OpenAI models tracked in 2026, out of 279 across every lab. Sorted newest first, with context length and capabilities. Data from the open models.dev database.

56
Models
38
Reasoning
47
Vision
5
Open weights
Model Context Capabilities
GPT-5.6 Sol
openai/gpt-5.6-sol
Frontier GPT-5.6 model for complex professional work, coding, and agentic workflows
1050K Reasoning Tools Vision
GPT-5.6 Luna
openai/gpt-5.6-luna
Cost-efficient GPT-5.6 model for fast, high-volume workloads
1050K Reasoning Tools Vision
GPT-5.6 Terra
openai/gpt-5.6-terra
Balanced GPT-5.6 model for capable, cost-efficient everyday work
1050K Reasoning Tools Vision
GPT-Realtime-2.1
openai/gpt-realtime-2.1
Realtime speech-to-speech model with configurable reasoning, tool use, and robust voice-agent behavior
128K Reasoning Tools Vision
GPT Realtime Whisper
openai/gpt-realtime-whisper
Streaming speech-to-text model for low-latency transcript deltas from live audio
-
GPT-5.5 Instant
openai/gpt-5.5-instant
Compact GPT model for low-latency assistance and high-volume workloads
400K Reasoning Tools Vision
GPT-5.5 Pro
openai/gpt-5.5-pro
Highest-accuracy GPT-5.5 tier for slower, precision-heavy reasoning and coding
1050K Reasoning Tools Vision
GPT-5.5
openai/gpt-5.5
Default frontier GPT for coding, computer use, research, and knowledge work
1050K Reasoning Tools Vision
GPT-Image-2
openai/gpt-image-2
Image model for prompt-driven generation, editing, and visual design workflows
- Vision
GPT-5.4 nano
openai/gpt-5.4-nano
Cheapest GPT-5.4 lane for simple routing, extraction, and bulk automation
400K Reasoning Tools Vision
GPT-5.4 mini
openai/gpt-5.4-mini
Strong small GPT for coding subagents, quick tool use, and high-volume work
400K Reasoning Tools Vision
GPT-5.4 Pro
openai/gpt-5.4-pro
More exact GPT-5.4 tier for demanding professional reasoning and agent tasks
1050K Reasoning Tools Vision
GPT-5.4
openai/gpt-5.4
Agent-ready GPT for coding and computer-use workflows at a lower cost
1050K Reasoning Tools Vision
GPT-5.3 Chat (latest)
openai/gpt-5.3-chat-latest
Chat-tuned GPT model for conversational assistance, writing, and tool workflows
128K Tools Vision
GPT-5.3 Codex
openai/gpt-5.3-codex
Coding-optimized GPT model for repository edits, reviews, and agentic software work
400K Reasoning Tools Vision
GPT-5.2 Pro
openai/gpt-5.2-pro
Higher-accuracy GPT-5.2 variant for tougher reasoning and review workflows
400K Reasoning Tools Vision
GPT-5.2 Chat
openai/gpt-5.2-chat-latest
Chat-tuned GPT model for conversational assistance, writing, and tool workflows
128K Reasoning Tools Vision
GPT-5.2 Codex
openai/gpt-5.2-codex
Code-specialist GPT for repository edits, reviews, and long-running software agents
400K Reasoning Tools Vision
GPT-5.2
openai/gpt-5.2
Reliable GPT generation for broad coding, writing, and tool-assisted product work
400K Reasoning Tools Vision
GPT-Image-1.5
openai/gpt-image-1.5
Image model for prompt-driven generation, editing, and visual design workflows
- Vision
GPT-5.1 Codex mini
openai/gpt-5.1-codex-mini
Coding-optimized GPT model for repository edits, reviews, and agentic software work
400K Reasoning Tools Vision
GPT-5.1
openai/gpt-5.1
Sharper GPT-5 generation for coding, product work, and tool-assisted tasks
400K Reasoning Tools Vision
GPT-5.1 Codex
openai/gpt-5.1-codex
Codex GPT for repository edits, code review, and practical software agents
400K Reasoning Tools Vision
GPT-5.1 Codex Max
openai/gpt-5.1-codex-max
Coding-optimized GPT model for repository edits, reviews, and agentic software work
400K Reasoning Tools Vision
GPT-5.1 Chat
openai/gpt-5.1-chat-latest
Chat-tuned GPT-5.1 for polished assistants, writing, and product conversations
128K Reasoning Tools Vision
GPT OSS Safeguard 120B
openai/gpt-oss-safeguard-120b
Safety model for policy screening, moderation, and risk-aware routing workflows
131K Reasoning Tools Open
GPT-5 Pro
openai/gpt-5-pro
Higher-accuracy GPT-5 tier for tough analysis, coding reviews, and planning
400K Reasoning Tools Vision
GPT-5-Codex
openai/gpt-5-codex
Coding-optimized GPT model for repository edits, reviews, and agentic software work
400K Reasoning Tools Vision
GPT-5
openai/gpt-5
Original GPT-5 workhorse for reasoning, coding, writing, and tool workflows
400K Reasoning Tools Vision
GPT-5 Chat (latest)
openai/gpt-5-chat-latest
Chat-tuned GPT model for conversational assistance, writing, and tool workflows
400K Reasoning Vision
GPT-5 Mini
openai/gpt-5-mini
Small GPT-5 for responsive agents, coding help, and everyday automation
400K Reasoning Tools Vision
GPT-5 Nano
openai/gpt-5-nano
Tiny GPT-5 lane for routing, extraction, classification, and bulk jobs
400K Reasoning Tools Vision
GPT OSS 20B
openai/gpt-oss-20b
Open GPT reasoning model for self-hosted agents and controllable deployments
131K Reasoning Tools Open
GPT OSS 120B
openai/gpt-oss-120b
Open GPT reasoning model for self-hosted agents and controllable deployments
131K Reasoning Tools Open
o3-pro
openai/o3-pro
High-effort o3 tier for difficult technical reasoning and careful answers
200K Reasoning Tools Vision
GPT-Image-1
openai/gpt-image-1
OpenAI image model for production generation, edits, and brand-safe visual workflows
- Vision
o3
openai/o3
Deliberate o-series reasoner for hard math, coding, and multi-step analysis
200K Reasoning Tools Vision
o4-mini
openai/o4-mini
Fast o-series model for compact reasoning, coding, and tool use
200K Reasoning Tools Vision
GPT-4.1 mini
openai/gpt-4.1-mini
Affordable GPT-4.1 lane for fast coding help and structured extraction
1047K Tools Vision
GPT-4.1 nano
openai/gpt-4.1-nano
Tiny GPT-4.1 option for classification, routing, and very high-volume tasks
1047K Tools Vision
GPT-4.1
openai/gpt-4.1
Long-lived GPT workhorse for coding, instruction following, and production apps
1047K Tools Vision
o1-pro
openai/o1-pro
O-series reasoning model for hard analysis, math, coding, and planning
200K Reasoning Tools Vision
o3-mini
openai/o3-mini
Smaller o-series reasoner for economical coding, math, and planning tasks
200K Reasoning Tools
o1
openai/o1
O-series reasoning model for hard analysis, math, coding, and planning
200K Reasoning Tools Vision
GPT-4o (2024-11-20)
openai/gpt-4o-2024-11-20
GPT model for general reasoning, writing, coding, and tool-assisted tasks
128K Tools Vision
Whisper 3 Large
openai/whisper-large-v3
Open Whisper checkpoint for robust multilingual transcription and captioning
0K Open
Whisper Large v3 Turbo
openai/whisper-large-v3-turbo
Speech transcription model for accurate audio-to-text and captioning workflows
0K Open
GPT-4o (2024-08-06)
openai/gpt-4o-2024-08-06
GPT model for general reasoning, writing, coding, and tool-assisted tasks
128K Tools Vision
GPT-4o mini
openai/gpt-4o-mini
Small omni GPT for cheap multimodal assistance and production-scale traffic
128K Tools Vision
o4-mini-deep-research
openai/o4-mini-deep-research
Research model for long-horizon investigation, synthesis, and analytical reports
200K Reasoning Tools Vision
o3-deep-research
openai/o3-deep-research
Research model for long-horizon investigation, synthesis, and analytical reports
200K Reasoning Tools Vision
GPT-4o
openai/gpt-4o
Omni-era GPT for multimodal chat, practical coding, and general assistants
128K Tools Vision
GPT-4o (2024-05-13)
openai/gpt-4o-2024-05-13
GPT model for general reasoning, writing, coding, and tool-assisted tasks
128K Tools Vision
GPT-4 Turbo
openai/gpt-4-turbo
Compact GPT model for low-latency assistance and high-volume workloads
128K Tools Vision
GPT-4
openai/gpt-4
GPT model for general reasoning, writing, coding, and tool-assisted tasks
8K Tools
GPT-3.5-turbo
openai/gpt-3.5-turbo
Compact GPT model for low-latency assistance and high-volume workloads
16K

Which of these can I call for free?

This page lists what exists, not what is free. For the models you can call right now with one free key and no credit card, see the live API catalog or read the free LLM API guide. Open-weight models can also be run on your own GPU, and the VRAM calculator tells you whether yours is big enough.

Model lists by lab

Model metadata sourced from the open models.dev database. See the full 279-model index for a filterable view across every lab.