GPT models
Browse all models from this model family.
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By OpenAIGPT-Live-1 mini is a smaller full-duplex voice model that listens and speaks simultaneously for natural, real-time conversation. It delegates web search or agentic tasks to a frontier model in the background and powers ChatGPT Voice for Free users.NewAudioReleased 7d ago
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By OpenAIGPT-Live-1 is a full-duplex voice model that listens and speaks simultaneously for natural, real-time conversation. It delegates web search, reasoning, or agentic work to a frontier model in the background while keeping the conversation flowing, and powers ChatGPT Voice for Go, Plus, and Pro users.NewAudioReleased 7d ago
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By OpenAIGPT Realtime 2.1 is OpenAI's realtime speech to speech model, an update to GPT Realtime 2 with improved alphanumeric recognition, better silence and noise handling, and more natural interruption behavior. It supports configurable reasoning effort, stronger instruction following, and reliable tool use for voice agent workflows.NewMultimodalReleased 9d ago
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By OpenAIGPT 5.6 Terra is a balanced model in OpenAI's GPT 5.6 preview series. It offers performance competitive with GPT 5.5 while costing about half as much. Terra shows improved coding and cybersecurity capability that scales with reasoning effort, and is paired with a layered safety and misuse safeguard stack during its limited preview release.NewTextReleased 19d ago
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By OpenAIGPT 5.6 Luna is the fast and affordable tier of OpenAI's GPT 5.6 preview series. It is the lowest cost model in the family while still delivering strong capability, including cybersecurity gains that scale with reasoning effort. Luna is released as part of a limited, safeguard paired preview alongside the Sol and Terra models.NewTextReleased 19d ago
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By OpenAIGPT-5.6 Sol is OpenAI's flagship model in the GPT-5.6 series. It achieves state-of-the-art performance on coding (Terminal-Bench 2.1), biology (GeneBench v1), and cybersecurity (ExploitBench) benchmarks. Features a new max reasoning effort setting and ultra mode for multi-agent parallelism. Priced at $5/$30 per 1M input/output tokens, currently in limited preview.NewTextReleased 19d ago
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By OpenAIGPT-Realtime-Whisper is OpenAIโs streaming speech-to-text model for low-latency live transcription. It transcribes speech as people talk, enabling captions, meeting notes, voice-agent understanding, classroom or broadcast transcription, and faster spoken-workflow automation while the conversation is still happening.NewMultimodalReleased 2mo ago
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By OpenAIGPT-Realtime-Translate is OpenAIโs live speech translation model for multilingual voice experiences. It translates speech from more than 70 input languages into 13 output languages while keeping pace with the speaker, making it useful for support, education, events, media, creator platforms, and cross-border conversations.NewMultimodalReleased 2mo ago
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By OpenAIGPT-5.5-Cyber is OpenAIโs specialized cybersecurity variant of GPT-5.5 for verified defenders handling high-risk authorized workflows. It is designed for more permissive behavior in controlled cyber tasks such as red teaming, penetration testing, exploit validation, and critical-infrastructure defense, with stronger verification and account-level controls.NewMultimodalReleased 2mo ago
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By OpenAIGPT-Realtime-2 is OpenAIโs live voice model with GPT-5-class reasoning, built for voice agents that can listen, reason, use tools, recover from interruptions, and respond naturally in real time. It supports longer 128K context sessions, controllable tone, stronger domain vocabulary, parallel tool calls, and adjustable reasoning effort.NewMultimodalReleased 2mo ago
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By OpenAIGPT-5.5 Instant is OpenAIโs updated default ChatGPT model for fast everyday use. It is built for clearer, more concise, and more personalized responses, with better factual accuracy, stronger image understanding, improved STEM performance, and better judgment about when to use web searchNewMultimodalReleased 2mo ago
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By OpenAIGPT-5.5 is OpenAIโs newest flagship model for real work on a computer. It is built for stronger agentic coding, computer use, knowledge work, and early scientific research, while matching GPT-5.4โs per-token latency in real-world serving and using fewer tokens to complete the same Codex tasks.NewMultimodalReleased 2mo ago
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By OpenAIChatGPT Images 2.0 is OpenAIโs upgraded image generation and editing system in ChatGPT, powered by a new flagship image model. It is designed for faster, more precise image creation and photo editing, with stronger detail consistency, better intent matching, and support for preset styles and creative exploration directly inside ChatGPT.NewMultimodalReleased 2mo ago
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By OpenAIGPT-Rosalind is OpenAIโs frontier reasoning model for life sciences research. It is purpose-built for biology, drug discovery, and translational medicine, with stronger tool use and deeper understanding across chemistry, protein engineering, and genomics to support scientific workflows such as hypothesis generation, evidence synthesis, and experimental planning.NewTextReleased 2mo ago
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By OpenAITrusted Access for Cyber is OpenAIโs trust-based access framework for legitimate defensive cybersecurity work. It is designed to expand access to OpenAIโs most cyber-capable models for verified defenders and enterprises, while keeping safeguards against misuse such as policy enforcement, malicious-request refusals, and automated monitoring for suspicious activity.TextReleased 3mo ago
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By OpenAIGPT-5.4 nano is the smallest, lowest-cost GPT-5.4-family model, optimized for speed and high-throughput tasks.MultimodalReleased 3mo ago
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By OpenAIGPT-5.4 mini is a fast, efficient GPT-5.4-family model optimized for high-volume coding and agent workloads, while keeping strong reasoning, multimodal understanding, and tool use.MultimodalReleased 3mo ago
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By OpenAIGPT-5.4 is OpenAIโs closed-source frontier model for professional work, focused on coding, reasoning, computer use, tool use, and long-context workflows. It supports up to about 1M tokens of context and is available through ChatGPT, API, and Codex.MultimodalReleased 4mo ago
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By OpenAIGPT-5.4 Pro is the maximum-performance variant of GPT-5.4 for people who want the strongest results on complex tasks in ChatGPT and the API.MultimodalReleased 4mo ago
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By OpenAIGPT-5.4 Thinking is the ChatGPT-facing GPT-5.4 model mode tuned for professional work, emphasizing stronger reasoning, coding, and agentic workflows with fewer back-and-forth turns.MultimodalReleased 4mo ago
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By OpenAIGPT-5.3 is an updated general-purpose chat model optimized for smoother everyday conversations, more accurate answers, and better contextual understanding. It is positioned as a broadly useful assistant model that reduces unnecessary refusals, excessive caveats, and overly cautious phrasing, while keeping strong performance for common conversational and help-oriented tasks.MultimodalReleased 4mo ago
