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  1. Models
  2. Text
  3. DeepSeek

DeepSeek V4.1 Flash 1017

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.

  • Reasoning
  • Vision
  • Tool Calling
  • Structured Output

Added Oct 17, 2026

Model weights

Pricing

Auto routing · per 1M tokens
Input
$0.10
Output
$0.60
Cache read
$0.0042
Compare provider prices

Specifications

Context window
1M
Max output
393.2K
Avg output (7d)
697 tokens
Longer than 59% of models

Benchmarks

Sourced from Design Arena.

Best Category

3D

Best Elo

1357

Best Rank Percentile

Top 9%

Ranking Distribution

8,873 battles

60%

45%

30%

15%

0%

11.7%

First

36.4%

Second

38.3%

Third

13.7%

Fourth

Category Performance

Elo
Rank
3DTop 9%ASCIITop 27%Data VizTop 25%Game DevTop 22%SVGTop 21%UITop 13%WebsiteTop 12%

Models Arena

3D

Top 9%

1357

Elo

47.4%

Win

401.1s

Avg Time

#15

Rank

UI Component

Top 13%

1301

Elo

50.6%

Win

296.2s

Avg Time

#24

Rank

Website

Top 12%

1294

Elo

51.6%

Win

332.3s

Avg Time

#24

Rank

Data Visualization

Top 25%

1267

Elo

50.4%

Win

113.1s

Avg Time

#38

Rank

Game Development

Top 22%

1261

Elo

44.0%

Win

131.5s

Avg Time

#42

Rank

SVG

Top 21%

1251

Elo

52.4%

Win

117.3s

Avg Time

#29

Rank

ASCII Art

Top 27%

1232

Elo

48.1%

Win

234.5s

Avg Time

#27

Rank

Updated Nov 6, 2026, 4:31 PM · Matched as Deepseek V4 1 Flash 1017

Design Arena

Providers

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DeepSeek V4.1 Flash 1017 Uncensored

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DeepSeek V4.1 Flash 1017 Uncensored Thinking

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Uncensored DeepSeek V4.1 Flash with text and image input, optional reasoning, and tool calling. The date label is retained for compatibility; the served checkpoint can vary with availability.

DeepSeek V4.1 Flash 1017 Thinking

deepseek/deepseek-v4.1-flash-1017:thinking

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.

DeepSeek V4.1 Flash 0910 Uncensored

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Uncensored DeepSeek V4.1 Flash with text and image input, optional reasoning, and tool calling. The date label is retained for compatibility; the served checkpoint can vary with availability.

DeepSeek V4.1 Flash 0910 Uncensored Thinking

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Uncensored DeepSeek V4.1 Flash with text and image input, optional reasoning, and tool calling. The date label is retained for compatibility; the served checkpoint can vary with availability.

DeepSeek V4 Flash 0423

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The original 0423 checkpoint of DeepSeek V4 Flash, with a 1M-token context window, text input, tool calling, structured output, and optional reasoning.