OpenAI: GPT-5 Chat vs OpenAI: GPT-5 Pro

Compare these two models side-by-side to help you make the best choice for your needs

OpenAI: GPT-5 Chat

Premium

Description

GPT-5 Chat is designed for advanced, natural, multimodal, and context-aware conversations for enterprise applications.

Strengths

  • Multimodal understanding with text and image support
  • Large context window (128k tokens)

Best For

Image and document understanding

OpenAI: GPT-5 Pro

Premium

Description

GPT-5 Pro is OpenAI’s most advanced model, offering major improvements in reasoning, code quality, and user experience. It is optimized for complex tasks that require step-by-step reasoning, instruction following, and accuracy in high-stakes use cases. It supports test-time routing features and advanced prompt understanding, including user-specified intent like "think hard about this." Improvements include reductions in hallucination, sycophancy, and better performance in coding, writing, and health-related tasks.

Strengths

  • Multimodal understanding with text and image support
  • Large context window (400k tokens)

Best For

Image and document understanding

FeatureOpenAI: GPT-5 ChatOpenAI: GPT-5 Pro
ProviderOpenRouterOpenRouter
Context Length128,000 tokens400,000 tokens
Input Price$1.25/M$15.00/M
Output Price$10.00/M$120.00/M
Vision SupportYesYes
PremiumYesYes
Capabilities
TextVision
TextVision