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  1. Models
  2. Text
  3. 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.

  • 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
Compare provider prices

Specifications

Context window
N/A
Max output
32.8K
Avg output (7d)
1.4K tokens
Longer than 82% 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

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The October 17, 2026 snapshot of DeepSeek V4.1 Flash supports text and image input, tool calling, and optional reasoning with low, high, and max effort. It has a shared 1,048,576-token context window and supports up to 393,216 output tokens within the remaining context. Released under the MIT license.

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DeepSeek V4 Flash 0423

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