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Use any model with Cursor

Cursor accepts a custom OpenAI base URL. Pointing it at CompanyFabric unlocks the whole library under one metered key, useful for teams that want Cursor's UX with model flexibility and per-key spend caps.

Step by step

Setup

  1. 1

    In Cursor → Settings → Models, enable 'Override OpenAI Base URL' and set:

    https://api.companyfabric.com/v1
  2. 2

    Paste your CompanyFabric API key in the OpenAI key field.

  3. 3

    Add the models you want by their catalog id (e.g. anthropic/claude-sonnet-4-5, openai/gpt-5.5) in the custom model list.

Recommended

Models that shine in Cursor

Claude Sonnet 4.5

$3/Mtok in

Anthropic

Frontier-quality text and reasoning through one OpenAI-compatible endpoint.

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GPT-5.5

$5/Mtok in

OpenAI

OpenAI's flagship, one key away.

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DeepSeek V4 Flash

$0.44/Mtok in

DeepSeek

The V4 family's speed tier, near-V4 quality on everyday calls at the lowest price in the family.

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FAQ

Frequently asked questions

Will Cursor's built-in features still work?

Chat and inline edits work over the custom endpoint. Features hard-wired to Cursor's own hosted models (like their tab completions) keep using Cursor's subscription.

One key. Every model. Exact prices.

One key gives Cursor the whole library. Free starter credits included, no subscription required.

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