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NightmareAI

nightmareai

NightmareAI has one model in the ModelRunner catalog: Real Esrgan Image Upscaler, an Upscaler endpoint, priced at $0.0035 per image — upscale images 2-4x with clean results.

1 public model — runnable in a free playground, through the REST API and JavaScript SDK, or from an AI assistant over MCP.

NightmareAI models & pricing

Real Esrgan Image Upscaler

Real Esrgan Image Upscaler

nightmareai

High-quality image upscaler with optional face enhancement

$0.0035 per imageupscalerupscale

What you can build with NightmareAI models

Browse by capability

Use NightmareAI models from Claude & Cursor

Connect the ModelRunner MCP server once and your AI assistant can run every NightmareAI model on this page as a tool — authorized via OAuth, results returned as hosted URLs in the conversation.

Claude Code

claude mcp add --transport http modelrunner https://mcp.modelrunner.run/mcp

Research, weights & licences

Frequently asked questions

What NightmareAI models can I run on ModelRunner?

The catalog has 1 public NightmareAI model: Real Esrgan Image Upscaler. It covers upscaler. It has its own page with a free playground, the full input schema, and copy-paste code.

How much do NightmareAI models cost?

Pay-per-use, with no subscription: the one NightmareAI model billed per image costs $0.0035, and every page publishes its own rate — some are tiered, so a lower resolution or a shorter clip costs less per run. You buy credits and pay only for what you generate.

How do I call a NightmareAI model from the API?

POST to https://queue.modelrunner.run/nightmareai/real-esrgan-upscaler with an Authorization: Key header and the input fields as the top-level JSON body (no wrapper object), then poll the returned status_url and fetch the result from response_url. The JavaScript SDK (@modelrunner/client) wraps that in a single subscribe() call, which is the one place an { input } object is used.

Can I run NightmareAI model from Claude or Cursor?

Yes. Connect the ModelRunner MCP server (https://mcp.modelrunner.run/mcp) once and NightmareAI's model becomes a tool your assistant can call with run_model — authorized over OAuth 2.1, so no API key goes into a config file. Results come back as hosted URLs in the conversation.

Where is the source code or paper for NightmareAI models?

1 of the 1 NightmareAI model in the catalog link their own upstream sources — Real Esrgan Image Upscaler — covering some combination of code repository, paper, weights and licence. The links are listed on this page and on each model's own page.

More on ModelRunner

Browse the full model catalog, compare live per-configuration rates on the pricing page, see curated sets on explore, or view every model creator.

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