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OpenAI: GPT-5 Chat

openai/gpt-5-chat

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

Modalities

Context

128K

Released

Aug 7, 2025

Knowledge Cutoff

Sep 2024

About OpenAI: GPT-5 Chat

OpenRouter makes OpenAI: GPT-5 Chat available through a unified, OpenAI-compatible API using the model ID openai/gpt-5-chat.

OpenAI: GPT-5 Chat accepts files such as PDFs, images and text and returns text. It has a 128,000-token context window.

It was released on August 7, 2025; its knowledge cutoff is September 30, 2024.

More models from OpenAI

  • GPT Transcribe
  • GPT-5.6 Luna Pro
  • GPT-5.6 Luna
ActivityFAQ

Activity

Token volume and request traffic to this model over time.

Frequently asked questions

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

GPT-5 Chat has a 128,000 token context window.

GPT-5 Chat accepts files such as PDFs, images and text as input and returns text.

GPT-5.6 Luna Pro, GPT-5.6 Luna, GPT-5.6 Terra Pro and 56 more are other text models from OpenAI.

GPT-5 Chat was released on August 7, 2025. Its knowledge cutoff is September 30, 2024.