OpenAI KI-Modelle
Creator of GPT-4o, o1, and DALL-E. Pioneered large-scale language models and RLHF alignment.
GPT-5.5 Instant (May 2026)
OpenAI
A powerful AI model for general-purpose tasks.
GPT-5.5 Pro
OpenAI
GPT-5.5 Pro is OpenAI’s high-capability model optimized for deep reasoning and accuracy on complex, high-stakes workloads.
GPT-5.5
OpenAI
GPT-5.5 is OpenAI’s frontier model designed for complex professional workloads, building on GPT-5.4 with stronger reasoning, higher reliability, and improved token efficiency on hard tasks.
GPT-5.5 (xhigh)
OpenAI
A powerful AI model for general-purpose tasks.
GPT-5.5 (high)
OpenAI
A powerful AI model for general-purpose tasks.
GPT-5.5 (medium)
OpenAI
A powerful AI model for general-purpose tasks.
GPT-5.5 (low)
OpenAI
A powerful AI model for general-purpose tasks.
GPT-5.5 (Non-reasoning)
OpenAI
A powerful AI model for general-purpose tasks.
GPT-5.4 Image 2
OpenAI
It enables rich multimodal workflows, allowing users to seamlessly move between reasoning, coding, and visual generation within the same interaction.
GPT-5.4 Nano
OpenAI
GPT-5.4 nano is the most lightweight and cost-efficient variant of the GPT-5.4 family, optimized for speed-critical and high-volume tasks.
GPT-5.4 Mini
OpenAI
GPT-5.4 mini brings the core capabilities of GPT-5.4 to a faster, more efficient model optimized for high-throughput workloads.
GPT-5.4 mini (xhigh)
OpenAI
A powerful AI model for general-purpose tasks.
GPT-5.4 nano (xhigh)
OpenAI
A powerful AI model for general-purpose tasks.
GPT-5.4 nano (medium)
OpenAI
A powerful AI model for general-purpose tasks.
GPT-5.4 mini (medium)
OpenAI
A powerful AI model for general-purpose tasks.
GPT-5.4 nano (Non-Reasoning)
OpenAI
A powerful AI model for general-purpose tasks.
GPT-5.4 mini (Non-Reasoning)
OpenAI
A powerful AI model for general-purpose tasks.
GPT-5.4 Pro
OpenAI
GPT-5.4 Pro is OpenAI's most advanced model, building on GPT-5.4's unified architecture with enhanced reasoning capabilities for complex, high-stakes tasks.
GPT-5.4
OpenAI
GPT-5.4 is OpenAI’s latest frontier model, unifying the Codex and GPT lines into a single system.
GPT-5.4 (xhigh)
OpenAI
A powerful AI model for general-purpose tasks.
GPT-5.4 (low)
OpenAI
A powerful AI model for general-purpose tasks.
GPT-5.4 (Non-reasoning)
OpenAI
A powerful AI model for general-purpose tasks.
GPT-5.3 Chat
OpenAI
GPT-5.3 Chat is an update to ChatGPT's most-used model that makes everyday conversations smoother, more useful, and more directly helpful.
GPT-5.3-Codex
OpenAI
GPT-5.3-Codex is OpenAI’s most advanced agentic coding model, combining the frontier software engineering performance of GPT-5.2-Codex with the broader reasoning and professional knowledge capabilities of GPT-5.2.
GPT-5.3 Codex (xhigh)
OpenAI
A powerful AI model for general-purpose tasks.
GPT Audio
OpenAI
The gpt-audio model is OpenAI's first generally available audio model.
GPT Audio Mini
OpenAI
A cost-efficient version of GPT Audio.
GPT-5.2-Codex
OpenAI
GPT-5.2-Codex is an upgraded version of GPT-5.1-Codex optimized for software engineering and coding workflows.
GPT-5.2 (xhigh)
OpenAI
A powerful AI model for general-purpose tasks.
GPT-5.2 Codex (xhigh)
OpenAI
A powerful AI model for general-purpose tasks.
GPT-5.2 (medium)
OpenAI
A powerful AI model for general-purpose tasks.
GPT-5.2 (Non-reasoning)
OpenAI
A powerful AI model for general-purpose tasks.
GPT-5.2 Chat
OpenAI
GPT-5.2 Chat (AKA Instant) is the fast, lightweight member of the 5.2 family, optimized for low-latency chat while retaining strong general intelligence.
GPT-5.2 Pro
OpenAI
GPT-5.2 Pro is OpenAI’s most advanced model, offering major improvements in agentic coding and long context performance over GPT-5 Pro.
GPT-5.2
OpenAI
GPT-5.2 is the latest frontier-grade model in the GPT-5 series, offering stronger agentic and long context perfomance compared to GPT-5.1.
GPT-5.1-Codex-Max
OpenAI
GPT-5.1-Codex-Max is OpenAI’s latest agentic coding model, designed for long-running, high-context software development tasks.
GPT-5.1
OpenAI
GPT-5.1 is the latest frontier-grade model in the GPT-5 series, offering stronger general-purpose reasoning, improved instruction adherence, and a more natural conversational style compared to GPT-5.
GPT-5.1 Chat
OpenAI
GPT-5.1 Chat (AKA Instant is the fast, lightweight member of the 5.1 family, optimized for low-latency chat while retaining strong general intelligence.
GPT-5.1-Codex
OpenAI
GPT-5.1-Codex is a specialized version of GPT-5.1 optimized for software engineering and coding workflows.
GPT-5.1-Codex-Mini
OpenAI
GPT-5.1-Codex-Mini is a smaller and faster version of GPT-5.1-Codex
gpt-oss-safeguard-20b
OpenAI
gpt-oss-safeguard-20b is a safety reasoning model from OpenAI built upon gpt-oss-20b.
GPT-5 Image Mini
OpenAI
This natively multimodal model features superior instruction following, text rendering, and detailed image editing with reduced latency and cost.
GPT-5 Image
OpenAI
It offers major improvements in reasoning, code quality, and user experience while incorporating GPT Image 1's superior instruction following, text rendering, and detailed image editing.
o3 Deep Research
OpenAI
o3-deep-research is OpenAI's advanced model for deep research, designed to tackle complex, multi-step research tasks.
o4 Mini Deep Research
OpenAI
o4-mini-deep-research is OpenAI's faster, more affordable deep research model—ideal for tackling complex, multi-step research tasks.
GPT-5 Pro
OpenAI
GPT-5 Pro is OpenAI’s most advanced model, offering major improvements in reasoning, code quality, and user experience.
GPT-5 Codex
OpenAI
GPT-5-Codex is a specialized version of GPT-5 optimized for software engineering and coding workflows.
GPT-5 Chat
OpenAI
GPT-5 Chat is designed for advanced, natural, multimodal, and context-aware conversations for enterprise applications.
GPT-5
OpenAI
GPT-5 is OpenAI’s most advanced model, offering major improvements in reasoning, code quality, and user experience.
GPT-5 Mini
OpenAI
GPT-5 Mini is a compact version of GPT-5, designed to handle lighter-weight reasoning tasks.
GPT-5 Nano
OpenAI
GPT-5-Nano is the smallest and fastest variant in the GPT-5 system, optimized for developer tools, rapid interactions, and ultra-low latency environments.
gpt-oss-120b
OpenAI
gpt-oss-120b is an open-weight, 117B-parameter Mixture-of-Experts (MoE) language model from OpenAI designed for high-reasoning, agentic, and general-purpose production use cases.
gpt-oss-20b
OpenAI
gpt-oss-20b is an open-weight 21B parameter model released by OpenAI under the Apache 2.0 license.
o3 Pro
OpenAI
The o-series of models are trained with reinforcement learning to think before they answer and perform complex reasoning.
o4 Mini High
OpenAI
OpenAI o4-mini-high is the same model as [o4-mini](/openai/o4-mini) with reasoning_effort set to high.
o3
OpenAI
o3 is a well-rounded and powerful model across domains.
o4 Mini
OpenAI
OpenAI o4-mini is a compact reasoning model in the o-series, optimized for fast, cost-efficient performance while retaining strong multimodal and agentic capabilities.
GPT-4.1
OpenAI
GPT-4.1 is a flagship large language model optimized for advanced instruction following, real-world software engineering, and long-context reasoning.
GPT-4.1 Mini
OpenAI
GPT-4.1 Mini is a mid-sized model delivering performance competitive with GPT-4o at substantially lower latency and cost.
GPT-4.1 Nano
OpenAI
For tasks that demand low latency, GPT‑4.1 nano is the fastest and cheapest model in the GPT-4.1 series.
o1-pro
OpenAI
The o1 series of models are trained with reinforcement learning to think before they answer and perform complex reasoning.
GPT-4o-mini Search Preview
OpenAI
GPT-4o mini Search Preview is a specialized model for web search in Chat Completions.
GPT-4o Search Preview
OpenAI
GPT-4o Search Previewis a specialized model for web search in Chat Completions.
o3 Mini High
OpenAI
OpenAI o3-mini-high is the same model as [o3-mini](/openai/o3-mini) with reasoning_effort set to high. o3-mini is a cost-efficient language model optimized for STEM reasoning tasks, particularly excelling in science, mathematics, and coding.
o3 Mini
OpenAI
OpenAI o3-mini is a cost-efficient language model optimized for STEM reasoning tasks, particularly excelling in science, mathematics, and coding.
o1
OpenAI
The latest and strongest model family from OpenAI, o1 is designed to spend more time thinking before responding.
GPT-4o (2024-08-06)
OpenAI
The 2024-08-06 version of GPT-4o offers improved performance in structured outputs, with the ability to supply a JSON schema in the respone_format.
GPT-4o-mini (2024-07-18)
OpenAI
GPT-4o mini is OpenAI's newest model after [GPT-4 Omni](/models/openai/gpt-4o), supporting both text and image inputs with text outputs.
GPT-4 Turbo
OpenAI
The latest GPT-4 Turbo model with vision capabilities.
GPT-3.5 Turbo (older v0613)
OpenAI
GPT-3.5 Turbo is OpenAI's fastest model.
GPT-4 Turbo Preview
OpenAI
The preview GPT-4 model with improved instruction following, JSON mode, reproducible outputs, parallel function calling, and more.
GPT-4 Turbo (older v1106)
OpenAI
The latest GPT-4 Turbo model with vision capabilities.
GPT-3.5 Turbo Instruct
OpenAI
This model is a variant of GPT-3.5 Turbo tuned for instructional prompts and omitting chat-related optimizations.
GPT-3.5 Turbo 16k
OpenAI
This model offers four times the context length of gpt-3.5-turbo, allowing it to support approximately 20 pages of text in a single request at a higher cost.
GPT-3.5 Turbo
OpenAI
GPT-3.5 Turbo is OpenAI's fastest model.
GPT-4
OpenAI
OpenAI's flagship model, GPT-4 is a large-scale multimodal language model capable of solving difficult problems with greater accuracy than previous models due to its broader general knowledge and advanced reasoning capabilities.