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DeepSeek: DeepSeek V4.1 Flash

Deepseek · deepseek/deepseek-v4.1-flash

Runs in the cloud, on our API — not on your own machine.

open weights tools reasoning optional

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...

Install on 00

Get the 00 app

Free · macOS

Your agents, your models, your machine — this model installs with one click once the app is on board.

Download free →

What it costs

Input / 1M
$0.6
Output / 1M
$2.40
1M in + 1M out
$3
Cache read / 1M
$0.012

Final AI-token prices, per million tokens. Bring your own provider key in the app to pay provider rates directly. The catalog carries 4 further price bands with no stated threshold, so they are not shown here as rates.

What it can do

Takes
text and images
Returns
text
Tools
yes
Reasoning
optional
Context window
1M tokens
Max output
384K tokens
Open weights
yes

Effort: max, high and low — high by default. More effort means more thinking tokens, billed at the output rate.

Dates

Released
2026-09-10
Knowledge cutoff
—
Retires
—

Using it

In the 00 app — pick it per agent, and per tier, then build your own agents on it. Get 00.

As a drop-in API — the same model at an OpenAI-compatible endpoint. Two settings:

  1. Create a workspace API key in the Overblast console — usage bills that workspace's AI tokens, at the prices on this page.
  2. Point your base URL at https://brain.deployd.network/ai/v1. Chat completions with streaming, embeddings, /images, /audio/transcriptions and /videos.
curl https://brain.deployd.network/ai/v1/chat/completions \
  -H "Authorization: Bearer ob_live_YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "deepseek/deepseek-v4.1-flash",
    "messages": [{ "role": "user", "content": "Hello" }]
  }'

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