LLM ReferenceLLM Reference

GPT-5 Pro

gpt-5-pro

ProprietaryMultimodal

About

GPT-5 Pro is OpenAI's most advanced GPT-5 tier, offering major improvements in reasoning, code quality, and user experience for enterprise and power-user applications at 400K context.

GPT-5 Pro has a 400K-token context window.

Capabilities

VisionMultimodalReasoningFunction CallingTool UseStructured OutputsCode Execution

Rankings

Best LLMs for Code GenerationBest AI Agents & Agentic ModelsBest Multimodal / Vision LLMsBest LLMs for Function Calling & Tool UseCheapest LLM APIsBest LLM APIsBest LLMs for EnterpriseBest LLMs for WritingBest LLMs for MarketingBest LLMs for Customer Support

Specifications

FamilyGPT-5
Released2025-10-01
Context400K
ArchitectureDecoder Only
Specializationgeneral
LicenseProprietary
Trainingpretrained

Created by

OpenAIOpenAI

Cutting-edge research and development.

San Francisco, California, United States
Founded 2015
Website

Links

Website