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OpenAI GPT Latest

GPT-5.6 Sol

~openai/gpt-latest

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This model always redirects to the latest model in the OpenAI GPT family.

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Quick Start

Drop-in code to call this model. OpenRouter's API is OpenAI-compatible — most SDKs work by just swapping the base URL. The only thing that changes between models is the model slug below.

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About OpenAI GPT Latest

OpenRouter makes OpenAI GPT Latest available through a unified, OpenAI-compatible API using the model ID ~openai/gpt-latest.

OpenAI GPT Latest accepts files such as PDFs, images and text and returns text. It has a 1,050,000-token context window and a maximum output of 128,000 tokens.

On OpenRouter, OpenAI GPT Latest costs $2.00/M input tokens and $10.00/M output tokens, with separate rates for Cache Read at $0.20/M tokens, Cache Write at $2.50/M tokens and Web Search at $10.00/1K calls. Effective pricing can be lower when prompt caching applies. It was released on April 27, 2026; its knowledge cutoff is February 16, 2026.

More models from OpenAI

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

Frequently asked questions

This model always redirects to the latest model in the OpenAI GPT family.

OpenAI GPT Latest costs $2.00/M input tokens and $10.00/M output tokens, with separate rates for Cache Read at $0.20/M tokens, Cache Write at $2.50/M tokens and Web Search at $10.00/1K calls.

OpenAI GPT Latest has a 1,050,000 token context window. It supports up to 128,000 completion tokens.

Yes. OpenAI GPT Latest accepts tools and tool_choice for function calling. It also supports structured outputs via a JSON schema in response_format.

OpenAI GPT Latest 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 55 more are other text models from OpenAI.

OpenAI GPT Latest was released on April 27, 2026. Its knowledge cutoff is February 16, 2026.