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DeepSeek

DeepSeek V4 Flash 0423

Benchmarks, price, context and versions

Also searched as

DeepSeek-V4-Flash-0423, deepseek v4 flash 0423 openrouter, deepseek v4 flash 0731 or 0423, fill flash examples

Direct answer: DeepSeek V4 Flash 0423 is a model from DeepSeek. 90.1% on GPQA Diamond (OpenRouter), per OpenRouter Benchmarks. On OpenRouter, US$ 0.09 per 1 million input tokens and US$ 0.18 per 1 million output tokens.

✓ Good for

  • agents that follow rules and use tools (#2 of 131 on τ-bench Verified (airline))
  • high-volume use (input price in the cheapest 25% on OpenRouter)
  • very long documents or code (a window of 1 million tokens or more, according to OpenRouter)
  • running on your own infrastructure (open weights)

✕ Not the best for

  • Not enough data in the open sources this section uses to build this block.

This block follows a rule of this section, using source data: if the model is in the top 25% of the metric, the item goes under "Good for"; if it is in the bottom half, it goes under "Not the best for". The middle band appears in neither. Price and context use OpenRouter; scores use Epoch AI or OpenRouter Benchmarks, in the latest version we checked.

Benchmarks

τ-bench Verified (airline)

?
81.7%

highest score on this metric 82%

2º / 131 · OpenRouter Benchmarks, latest version we checked

Key specs

Origin
China
Family
DeepSeek Flash provisional data
Weights?
open
License
mit
Input US$/1M?
US$ 0.09
Output US$/1M
US$ 0.18
Context?
1,048,576 tokens
Parameters
290,944,616,402
Input
text
OpenRouter usage?
2.85%
Downloads (30 days)?
1,168,829
Use cases provisional data
Text Agents
Dates in sources
  • 2026, listed on OpenRouter
  • 2026, Hugging Face repo created

Version history

Dates come from the sources: OpenRouter listing or Hugging Face repo creation, which may differ from the official launch.

FAQ

What is DeepSeek V4 Flash 0423?

DeepSeek V4 Flash 0423 is a model from DeepSeek, with open weights, used for text, agents.

How much does DeepSeek V4 Flash 0423 cost?

On OpenRouter, US$ 0.09 per 1 million input tokens and US$ 0.18 per 1 million output tokens.

What is the context window of DeepSeek V4 Flash 0423?

1,048,576 tokens, per OpenRouter.

Is DeepSeek V4 Flash 0423 open source?

Yes, it has open weights. License: mit.

What is DeepSeek V4 Flash 0423's GPQA Diamond (OpenRouter) score?

90.1% on GPQA Diamond (OpenRouter), per OpenRouter Benchmarks.

Is DeepSeek V4 Flash 0423 good for coding?

No data: there is no SWE-bench Verified measurement for it in open sources.

Who made DeepSeek V4 Flash 0423?

It was made by DeepSeek, a lab from China.

provisional data Questions ordered by what shows up in public Google search suggestions (no volume). Answers use source data only.

Models from DeepSeek

See lab

Sources

  • Hugging Face Hub, metadados públicos do Hub; licença de cada modelo no repositório, latest version we checked.
  • OpenRouter, dados públicos da API; exports de benchmarks e rankings em CC BY 4.0, latest version we checked.
  • OpenRouter Benchmarks, CC BY 4.0, latest version we checked.

Dates come from the sources: OpenRouter listing or Hugging Face repo creation, which may differ from the official launch. Family and version were grouped by rule from the name.