Ultramarine 1 Flash

paperinstruments/ultramarine-1-flash

Paper Instruments’ reasoning model for writing, knowledge work, and document tasks. Supports image inputs, tools, structured output, and low, high, or max reasoning effort. Reasoning is always enabled.

Vision
Reasoning
Tool calling
Structured output

Chat with this model Create an API key

Pricing

Includes our margin. Charged per request from your balance.

Input: $0.165 per 1M tokens
Output: $0.55 per 1M tokens
Cache read: $0.033 per 1M tokens
Typical message: $0.00044

Details

Provider: Paperinstruments
Max output: 33K tokens
Added: Oct 15, 2026
Reasoning effort: low, high, max

Use it from the API

Replace $HIDE_API_KEY with a key from the Developers page. Base URL https://hide.st/api/v1.

curl https://hide.st/api/v1/chat/completions \
  -H "Authorization: Bearer $HIDE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "paperinstruments/ultramarine-1-flash",
    "messages": [
      {"role": "user", "content": "Hello!"}
    ]
  }'

Pricing

Details

Use it from the API

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