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Mercury 3 Offers Fast AI Text Through Vercel

Oct 19, 2026by Vercel Blog

Mercury 3 brings Inception's reported text speed to AI Gateway, which also helps developers manage model use and costs.

Inception's Mercury 3 is now available through Vercel AI Gateway. This service helps people building apps connect to different AI models. An AI model is a computer system that produces answers. The launch offer gives users 50% off the model's price. Inception reports strong test results and fast writing for Mercury 3. Those performance claims come from the company that makes the model.

Inception reports speeds above 1,000 tokens per second for writing. Tokens are small pieces of text that an AI model handles. The model can also work with a context window of 1M tokens. This is the amount of text it can use at once. That gives it room for long documents and past messages.

The article names several uses where people need a quick answer. These include tools that work in browsers, search, teaching, and customer support. Mercury 3 aims to bring better reasoning to these tasks. People can also choose it in tools such as Claude Code and Codex. They need to set up Vercel's latest command tool first.

AI Gateway also helps people follow how much they use and spend. They can set spending limits and choose rules for sending requests. The service can try again or use another model when needed. It offers support for keeping no request data after use. Vercel says it adds no extra charge to the model provider's price. It also charges no platform fee for running the model. These tools sit alongside Mercury 3, rather than being part of it.

Key expressions

  • work with

    ~을 다루며 작업하다

    This tool can work with long documents.

  • try again

    다시 시도하다

    If the request fails, the service can try again.

  • pay for

    ~의 비용을 지불하다

    Teams need to know what they pay for.

Generated with AI. AI can make mistakes.