DeepSeek-V4.1-Flash Free API on ModelScope

Free API Verified

Available from ModelScope

★★★★★★★★★★ 3.5 Benchmark-backed score

DeepSeek-V4.1-Flash is available through ModelScope with 8K context and OpenAI Chat Completions + OpenAI Responses API access.

Free APIOpenAI compatible

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API Details

Copy-ready connection details

Use these values in your client or SDK.

Base URL

https://api-inference.modelscope.cn/v1

Model ID

deepseek-ai/DeepSeek-V4.1-Flash

API format OpenAI Chat Completions + OpenAI Responses

Technical Details

DeepSeek-V4.1-Flash specifications

Provider catalog

Context window 8K

Max output 4K

Status Online

Released Sep 10, 2026

Last updated Sep 10, 2026

Free listing since Sep 16, 2026

Input text

Output text

AI Recommendation

Should you use DeepSeek-V4.1-Flash?

DeepSeek-V4.1-Flash is listed for chat workloads and supports a 8K context window.

Use it when ModelScope's free tier is enough for evaluation, demos, or light production traffic.

Best for

Chat

Strengths & Weaknesses

Strengths

Live API verification available

Watch outs

Vision support is not listed
Tool calling is not confirmed

Benchmark Overview

Benchmark signals for DeepSeek-V4.1-Flash

Measured data

Intelligence General reasoning and instruction following

39.5/100

Speed Observed generation speed

212 tok/s

Context Maximum listed context window

Pricing

DeepSeek-V4.1-Flash pricing per 1M tokens

Free tier listed

Input $0.3 per 1M tokens

Output $1.2 per 1M tokens

Access Available ModelScope

Availability

DeepSeek-V4.1-Flash availability by provider

Current provider only

We only found this DeepSeek-V4.1-Flash listing on ModelScope in the current catalog. Use the related models section for nearby alternatives.

Provider	Model listing	Access	Context	API	Limits
ModelScope	deepseek-ai/DeepSeek-V4.1-Flash	Free tier	8K	Native	Varies

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Compare

DeepSeek-V4.1-Flash alternatives to consider

Open comparison

Model	Provider	Context	Access
Qwen/Qwen3.5-35B-A3B	ModelScope	256K	Check provider
Qwen/Qwen3.5-27B	ModelScope	256K	Check provider
MiniMax-M2.5-highspeed	ModelScope	205K	Check provider
Kimi K2.5	ModelScope	262K	Check provider
Qwen/Qwen-Image	ModelScope	131K	Check provider

Typical Use Cases

DeepSeek-V4.1-Flash use cases

Chat

DeepSeek-V4.1-Flash is tagged for chat in this catalog and works with OpenAI-compatible client libraries.

FAQ

DeepSeek-V4.1-Flash free API FAQ

Is DeepSeek-V4.1-Flash free to use?

DeepSeek-V4.1-Flash is listed with free API access on ModelScope, subject to the provider's quota and account policy.

What is the DeepSeek-V4.1-Flash model ID?

The model ID shown in this catalog is deepseek-ai/DeepSeek-V4.1-Flash.

What context window does DeepSeek-V4.1-Flash support?

The listed context window is 8K tokens with up to 4K output tokens.