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DeepSeek V4.1 Flash (batch)

ModelOpen sourceActive
by DeepSeek · family “deepseek-v4-flash-batch”

DeepSeek V4.1 Flash is a sparse mixture-of-experts model from DeepSeek, and the first built on the company's Causal Encoder-Decoder (CED) architecture. It activates 8B parameters on input and 16B on... (description from the OpenRouter listing)

in: textin: imageout: textReasoningTool useStructured output
Epoch Capabilities Index
Not scored by Epoch AI
Listing ↗
Released
10 Sep 2026
Context window
1.05M tokens
Max output
131K tokens
Input $ / 1M tokens
$0.11
Output $ / 1M tokens
$0.34
Cached input $ / 1M
$0.003
Each benchmark shown separately with its own source

Benchmark results (0)

All benchmarks
No benchmark results recorded for this model.

Source: Epoch AI Benchmarking Hub (CC BY 4.0). “External” rows are leaderboard results Epoch collects from third parties. Best reported setting per benchmark is shown.

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$ per 1M tokens

Unchanged since first recorded on 27 Sep 2026 (OpenRouter listing); re-read on every data refresh, most recently 40m ago. Steps show when the price changed.

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