All Models

OpenAI AI Models

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

Founded 2015San Francisco, CA44 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
Speed166 tok/s
InputFile, Image, Text
OutputText
ReasoningYes
Openai logo

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
Speed108 tok/s
InputFile, Image, Text
OutputText
ReasoningYes
Openai logo

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
Speed75 tok/s
InputFile, Image, Text
OutputText
ReasoningYes
OpenAI logo

GPT-5.6 Sol (max)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed70 tok/s
InputN/A
OutputN/A
ReasoningNo
OpenAI logo

GPT-5.6 Sol (xhigh)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed73 tok/s
InputN/A
OutputN/A
ReasoningNo
OpenAI logo

GPT-5.6 Sol (high)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed75 tok/s
InputN/A
OutputN/A
ReasoningNo
OpenAI logo

GPT-5.6 Terra (max)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed108 tok/s
InputN/A
OutputN/A
ReasoningNo
OpenAI logo

GPT-5.6 Sol (medium)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed73 tok/s
InputN/A
OutputN/A
ReasoningNo
OpenAI logo

GPT-5.6 Terra (xhigh)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed105 tok/s
InputN/A
OutputN/A
ReasoningNo
OpenAI logo

GPT-5.6 Luna (max)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed127 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
Speed73 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
Speed104 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
Speed115 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
Speed118 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
Speed96 tok/s
InputN/A
OutputN/A
ReasoningNo
OpenAI logo

GPT-5.6 Sol (Non-reasoning)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed68 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
Speed102 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
Speed114 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
Speed97 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
Speed109 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
Speed108 tok/s
InputN/A
OutputN/A
ReasoningNo
OpenAI logo

GPT-5.5 Instant (June 2026)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed148 tok/s
InputN/A
OutputN/A
ReasoningNo
Openai logo

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
Openai logo

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
Speed148 tok/s
InputFile, Image, Text
OutputText
ReasoningYes
OpenAI logo

GPT-5.5 (xhigh)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed83 tok/s
InputN/A
OutputN/A
ReasoningNo
OpenAI logo

GPT-5.5 (high)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed76 tok/s
InputN/A
OutputN/A
ReasoningNo
OpenAI logo

GPT-5.5 (medium)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed83 tok/s
InputN/A
OutputN/A
ReasoningNo
OpenAI logo

GPT-5.5 (low)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed74 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
Speed75 tok/s
InputN/A
OutputN/A
ReasoningNo
Openai logo

GPT-5.4 Image 2

Openai

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

Context272K
Speed130 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
Speed172 tok/s
InputFile, Image, Text
OutputText
ReasoningYes
Openai logo

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
Speed190 tok/s
InputFile, Image, Text
OutputText
ReasoningYes
OpenAI logo

GPT-5.4 mini (xhigh)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed164 tok/s
InputN/A
OutputN/A
ReasoningNo
OpenAI logo

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
Speed172 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
Speed190 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
Speed161 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
Speed130 tok/s
InputN/A
OutputN/A
ReasoningNo
OpenAI logo

GPT-5.4 (low)

OpenAI

A powerful AI model for general-purpose tasks.

ContextN/A
Speed103 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