All Models

OpenAI AI Models

Creator of GPT-4o, o1, and DALL-E. Pioneered large-scale language models and RLHF alignment.

Founded 2015San Francisco, CA49 ModelsWebsite →
Openai logo

GPT-5.6 Luna Pro

Openai

Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode

Context1.1M
SpeedN/A
InputFile, Image, Text
OutputText
ReasoningYes
Openai logo

GPT-5.6 Luna

Openai

GPT-5.6 Luna is a fast, cost-efficient model in OpenAI's GPT-5.6 series. It is suited for high-volume, latency-sensitive tasks such as chat, classification, and lightweight agentic workflows, providing capable reasoning for...

Context1.1M
Speed312 tok/s
InputFile, Image, Text
OutputText
ReasoningYes
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GPT-5.6 Terra Pro

Openai

Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode

Context1.1M
SpeedN/A
InputFile, Image, Text
OutputText
ReasoningYes
Openai logo

GPT-5.6 Terra

Openai

GPT-5.6 Terra is a balanced model in OpenAI's GPT-5.6 series, positioned between the flagship Sol tier and the cost-efficient Luna tier. It is suited for everyday coding, reasoning, and agentic...

Context1.1M
Speed170 tok/s
InputFile, Image, Text
OutputText
ReasoningYes
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GPT-5.6 Sol Pro

Openai

Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode

Context1.1M
SpeedN/A
InputFile, Image, Text
OutputText
ReasoningYes
Openai logo

GPT-5.6 Sol

Openai

GPT-5.6 Sol is the flagship model in OpenAI's GPT-5.6 series. It is suited for complex reasoning, coding, and agentic workflows, and is particularly strong at command-line and multi-step coding tasks...

Context1.1M
Speed74 tok/s
InputFile, Image, Text
OutputText
ReasoningYes
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GPT-5.6 Sol (max)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed74 tok/s
InputN/A
OutputN/A
ReasoningNo
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GPT-5.6 Sol (xhigh)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed63 tok/s
InputN/A
OutputN/A
ReasoningNo
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GPT-5.6 Sol (high)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed61 tok/s
InputN/A
OutputN/A
ReasoningNo
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GPT-5.6 Terra (max)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed170 tok/s
InputN/A
OutputN/A
ReasoningNo
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GPT-5.6 Sol (medium)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed58 tok/s
InputN/A
OutputN/A
ReasoningNo
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GPT-5.6 Terra (xhigh)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed127 tok/s
InputN/A
OutputN/A
ReasoningNo
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GPT-5.6 Luna (max)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed259 tok/s
InputN/A
OutputN/A
ReasoningNo
OpenAI logo

GPT-5.6 Sol (low)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed62 tok/s
InputN/A
OutputN/A
ReasoningNo
OpenAI logo

GPT-5.6 Luna (xhigh)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed215 tok/s
InputN/A
OutputN/A
ReasoningNo
OpenAI logo

GPT-5.6 Terra (high)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed124 tok/s
InputN/A
OutputN/A
ReasoningNo
OpenAI logo

GPT-5.6 Luna (high)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed204 tok/s
InputN/A
OutputN/A
ReasoningNo
OpenAI logo

GPT-5.6 Terra (medium)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed115 tok/s
InputN/A
OutputN/A
ReasoningNo
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GPT-5.6 Sol (Non-reasoning)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed45 tok/s
InputN/A
OutputN/A
ReasoningNo
OpenAI logo

GPT-5.6 Terra (low)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed116 tok/s
InputN/A
OutputN/A
ReasoningNo
OpenAI logo

GPT-5.6 Luna (medium)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed192 tok/s
InputN/A
OutputN/A
ReasoningNo
OpenAI logo

GPT-5.6 Terra (Non-reasoning)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed113 tok/s
InputN/A
OutputN/A
ReasoningNo
OpenAI logo

GPT-5.6 Luna (low)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed180 tok/s
InputN/A
OutputN/A
ReasoningNo
OpenAI logo

GPT-5.6 Luna (Non-reasoning)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed182 tok/s
InputN/A
OutputN/A
ReasoningNo
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GPT-5.5 Instant (June 2026)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
SpeedN/A
InputN/A
OutputN/A
ReasoningNo
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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. It features a 1M+ token context window (922K input, 128K output) with support for...

Context1.1M
SpeedN/A
InputFile, Image, Text
OutputText
ReasoningYes
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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. It features a 1M+ token...

Context1.1M
Speed118 tok/s
InputFile, Image, Text
OutputText
ReasoningYes
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GPT-5.5 (xhigh)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed85 tok/s
InputN/A
OutputN/A
ReasoningNo
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GPT-5.5 (high)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed69 tok/s
InputN/A
OutputN/A
ReasoningNo
OpenAI logo

GPT-5.5 (medium)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed61 tok/s
InputN/A
OutputN/A
ReasoningNo
OpenAI logo

GPT-5.5 (low)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed64 tok/s
InputN/A
OutputN/A
ReasoningNo
OpenAI logo

GPT-5.5 (Non-reasoning)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed62 tok/s
InputN/A
OutputN/A
ReasoningNo
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GPT-5.4 Image 2

Openai

It enables rich multimodal workflows, allowing users to seamlessly move between reasoning, coding, and...

Context272K
Speed171 tok/s
InputImage, Text, File
OutputImage, Text
ReasoningYes
Openai logo

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. It supports text and image inputs and is designed for low-latency...

Context400K
Speed168 tok/s
InputFile, Image, Text
OutputText
ReasoningYes
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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. It supports text and image inputs with strong performance across reasoning, coding,...

Context400K
Speed172 tok/s
InputFile, Image, Text
OutputText
ReasoningYes
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GPT-5.4 mini (xhigh)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed172 tok/s
InputN/A
OutputN/A
ReasoningNo
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GPT-5.4 nano (xhigh)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed163 tok/s
InputN/A
OutputN/A
ReasoningNo
OpenAI logo

GPT-5.4 nano (medium)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed149 tok/s
InputN/A
OutputN/A
ReasoningNo
OpenAI logo

GPT-5.4 mini (medium)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed172 tok/s
InputN/A
OutputN/A
ReasoningNo
OpenAI logo

GPT-5.4 nano (Non-Reasoning)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed168 tok/s
InputN/A
OutputN/A
ReasoningNo
OpenAI logo

GPT-5.4 mini (Non-Reasoning)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed160 tok/s
InputN/A
OutputN/A
ReasoningNo
OpenAI logo

GPT-5.4 (xhigh)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed171 tok/s
InputN/A
OutputN/A
ReasoningNo
OpenAI logo

GPT-5.4 (low)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed102 tok/s
InputN/A
OutputN/A
ReasoningNo
OpenAI logo

GPT-5.4 (Non-reasoning)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed104 tok/s
InputN/A
OutputN/A
ReasoningNo
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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. It delivers more accurate answers with better contextualization and significantly...

Context128K
Speed164 tok/s
InputText, Image, File
OutputText
ReasoningNo
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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. It achieves state-of-the-art results...

Context400K
Speed180 tok/s
InputText, Image, File
OutputText
ReasoningYes
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GPT-5.3 Codex (xhigh)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed103 tok/s
InputN/A
OutputN/A
ReasoningNo
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GPT Audio

Openai

The gpt-audio model is OpenAI's first generally available audio model. The new snapshot features an upgraded decoder for more natural sounding voices and maintains better voice consistency. Audio is priced...

Context128K
SpeedN/A
InputText, Audio
OutputText, Audio
ReasoningNo
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GPT Audio Mini

Openai

A cost-efficient version of GPT Audio. The new snapshot features an upgraded decoder for more natural sounding voices and maintains better voice consistency. Input is priced at $0.60 per million...

Context128K
Speed199 tok/s
InputText, Audio
OutputText, Audio
ReasoningNo