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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.

  • Reasoning
  • Vision
  • Tool Calling
  • Parallel Tool Calls
  • Structured Output

Added Oct 15, 2026

Pricing

Auto routing · per 1M tokens
Input
$0.15
Output
$0.50
Cache read
$0.030

Specifications

Context window
N/A
Max output
32.8K
Avg output (7d)
1.4K tokens
Longer than 81% of models

Benchmarks

No public benchmark scores for this model yet.

Providers

Auto routing is available for this model. Explicit provider selection is not available.

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Reliability

Last 3 days