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  1. Models
  2. Text
  3. DeepSeek

DeepSeek V4 Flash 0423

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

  • Reasoning
  • Tool Calling
  • Structured Output

Added Oct 7, 2026

Pricing

Auto routing · per 1M tokens
Input
$0.14
Output
$0.28
Cache read
$0.028
Compare provider prices

Specifications

Context window
1M
Max output
N/A
Parameters
284B / 13B
Total / active
Avg output (7d)
291 tokens
Longer than 31% of models

Benchmarks

Sourced from Artificial Analysis.

Intelligence Index

18.9

Intelligence Index: 18.9
Better than 65% of models compared

Agentic work

T²-Bench Telecom (legacy)

Legacy fallback · Conversational AI agents in dual-control scenarios

94.4%

Better than 93% of models compared

Document reasoning

AA-LCR v1.1

Long context reasoning with updated grading

41.7%

Better than 36% of models compared

Reasoning

HLE

Humanity's Last Exam

7.8%

Better than 43% of models compared

IFBench

Instruction-following benchmark

47.2%

Better than 55% of models compared

Coding

Terminal-Bench Hard (legacy)

Legacy fallback · Agentic coding and terminal use

34.1%

Better than 79% of models compared

Legacy benchmarks

GPQA Diamond (legacy)

Graduate-level scientific reasoning

71.6%

Better than 51% of models compared

AA-LCR (unversioned / legacy)

Long context reasoning evaluation

41.7%

Better than 36% of models compared

Last updated Oct 27, 2026

Artificial Analysis

Providers

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DeepSeek V4 Flash 0423 (Thinking)

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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.

DeepSeek V4.1 Flash 0910 Uncensored

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DeepSeek V4.1 Flash 0910 Uncensored Thinking

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Uncensored DeepSeek V4.1 Flash with text 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 Uncensored

deepseek/deepseek-v4.1-flash-1017-uncensored

Uncensored DeepSeek V4.1 Flash with text 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 Uncensored Thinking

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

Uncensored DeepSeek V4.1 Flash with text 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

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.