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OpenAI: GPT-5 Chat

openai/gpt-5-chat

Created Aug 7, 2025128,000 context
$1.25/M input tokens$10/M output tokens$10/K web search

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

Providers for GPT-5 Chat

OpenRouter routes requests to the best providers that are able to handle your prompt size and parameters, with fallbacks to maximize uptime.

Performance for GPT-5 Chat

Compare different providers across OpenRouter

Apps using GPT-5 Chat

Top public apps this month

Recent activity on GPT-5 Chat

Total usage per day on OpenRouter

Prompt
594M
Completion
26.4M
Reasoning
0

Prompt tokens measure input size. Reasoning tokens show internal thinking before a response. Completion tokens reflect total output length.

Uptime stats for GPT-5 Chat

Uptime stats for GPT-5 Chat across all providers

Sample code and API for GPT-5 Chat

OpenRouter normalizes requests and responses across providers for you.

OpenRouter provides an OpenAI-compatible completion API to 400+ models & providers that you can call directly, or using the OpenAI SDK. Additionally, some third-party SDKs are available.

In the examples below, the OpenRouter-specific headers are optional. Setting them allows your app to appear on the OpenRouter leaderboards.

Using third-party SDKs

For information about using third-party SDKs and frameworks with OpenRouter, please see our frameworks documentation.

See the Request docs for all possible fields, and Parameters for explanations of specific sampling parameters.