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Ultramarine API

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Pricing

ModelReleasedContextInput / 1MOutput / 1MProvidersWeights
Ultramarine 1 Flashpaper-instruments/ultramarine-1-flashSeptember 29, 2026262K$0.15Paper Instruments$0.50Paper Instruments1Not listed

Lowest listed price, USD per 1M tokens, as of November 4, 2026.

FAQ

Which Ultramarine models can I use through RouterPlus?

Ultramarine 1 Flash. Each one uses its catalog ID, such as "paper-instruments/ultramarine-1-flash", with the OpenAI-compatible endpoint at https://api.routerplus.com/v1.

What is the cheapest Ultramarine model on RouterPlus?

Ultramarine 1 Flash, at $0.15 per million input tokens and $0.50 per million output tokens on Paper Instruments. Prices as of November 4, 2026.

Which Ultramarine model has the most providers?

Ultramarine 1 Flash, served by 1 providers: Paper Instruments.

What is the newest Ultramarine model?

Ultramarine 1 Flash, released September 29, 2026, is the newest Paper Instruments model in the RouterPlus catalog.

Run Ultramarine in production

Open in consoleI need inference