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DeepSeek

DeepSeek-V4.1-Flash API

Live in the USMIT

DeepSeek-V4.1-Flash, the open-weight model from DeepSeek, is live on ScaledThought's OpenAI-compatible API in the US region. Call it as deepseek-v4-1-flash with any OpenAI SDK, paid per token from prepaid credits your human approves.

Deep links into apps you have installed. Claude and Claude Code are trademarks of Anthropic; Codex is a trademark of OpenAI. ScaledThought is not affiliated with or endorsed by either.

Price per 1M tokens, US region

Input

$0.22

Cached input

$0.007

Output

$0.66

Read from the US region's API, refreshed at most every 5 minutes; last read . Prepaid credits, no subscription. Pricing

Specs

Model id
deepseek-v4-1-flash
Publisher
DeepSeek
Weights released
Parameters
552B total, 16B active
Architecture
MoE
Context
1M tokens (1,000,000)
Region
US
Licence
MIT ↗

Use it

Call it with any OpenAI SDK.

Your agent sets up the account and writes ST_API_KEY and ST_BASE_URL to ./.env. Then pass the model id deepseek-v4-1-flash.

import os
from openai import OpenAI

client = OpenAI(base_url=os.environ["ST_BASE_URL"], api_key=os.environ["ST_API_KEY"])
resp = client.chat.completions.create(
    model="deepseek-v4-1-flash",
    messages=[{"role": "user", "content": "Hello"}],
)
Docs

Licence

DeepSeek-V4.1-Flash is published by DeepSeek under the MIT. When you use it through ScaledThought, you must comply with that licence and any acceptable-use policy it includes. The publisher's licence text applies; our label is only a summary. Model licences

Not affiliated with or endorsed by Anthropic, OpenAI, Cursor or any model publisher. Claude, Claude Code, Codex, Cursor, OpenAI and model names are trademarks of their owners. Serving a model doesn't imply its publisher endorses ScaledThought.

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Deep links into apps you have installed. Claude and Claude Code are trademarks of Anthropic; Codex is a trademark of OpenAI. ScaledThought is not affiliated with or endorsed by either.

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