AI Recommendation
Should you use deepseek-v4.1-flash?
deepseek-v4.1-flash is listed for chat workloads and supports a 1.0M context window.
Use it when NVIDIA NIM's free tier is enough for evaluation, demos, or light production traffic.
deepseek-v4.1-flash Free API on NVIDIA NIM
Free API VerifiedDeepSeek V4.1 Flash model for reasoning and agentic coding
Free APIOpenAI compatibleReasoningTool callingJSON modeTextImage
API Details
Copy-ready connection details
Base URL
https://integrate.api.nvidia.com/v1 Model ID
deepseek-ai/deepseek-v4.1-flash API format OpenAI Chat Completions
Technical Details
deepseek-v4.1-flash specifications
Context window 1.0M
Max output 384K
Status Online
Family deepseek-flash
Knowledge cutoff 2025-05
Released Sep 10, 2026
Last updated Sep 22, 2026
Free listing since Sep 10, 2026
Input text, image
Output text
Capabilities reasoning, tool calling, structured output, file attachments, temperature control
Open weights Yes
Weights Hugging Face
Best for
- Chat
Strengths & Weaknesses
Strengths
- Long context window
- Reasoning mode listed
- Tool calling support
- Structured JSON output
Watch outs
- Free-tier rate limits apply
Benchmark Overview
Benchmark signals for deepseek-v4.1-flash
Intelligence General reasoning and instruction following
39.5/100 Speed Observed generation speed
219 tok/s Context Maximum listed context window
1.0M Pricing
deepseek-v4.1-flash pricing per 1M tokens
Input $0.3 per 1M tokens
Output $1.2 per 1M tokens
Access Available NVIDIA NIM
Rate limit Up to 40 RPM provider policy
Availability
deepseek-v4.1-flash availability by provider
We found 3 provider listings for deepseek-v4-1-flash. Check model ID, quota, pricing, and API format before switching providers.
| Provider | Model listing | Access | Context | API | Limits |
|---|---|---|---|---|---|
| | deepseek-ai/deepseek-v4.1-flash | Free tier | 1.0M | OpenAI-style | Up to 40 RPM |
| | deepseek-ai/DeepSeek-V4.1-Flash | Free tier | 8K | Native | Varies |
| | DeepSeek V4.1 Flash | Free tier | 1.0M | Native | Varies |
Compare
deepseek-v4.1-flash alternatives to consider
| Model | Provider | Context | Access |
|---|---|---|---|
| deepseek-ai/DeepSeek-V4.1-Flash | ModelScope | 8K | Free tier |
| DeepSeek V4.1 Flash | OpenCode Zen | 1.0M | Free tier |
| 01-ai/yi-large | NVIDIA NIM | 131K | Free tier |
| adept/fuyu-8b | NVIDIA NIM | 131K | Free tier |
| ai21labs/jamba-1.5-large-instruct | NVIDIA NIM | 131K | Free tier |
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 NVIDIA NIM, 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 are the deepseek-v4.1-flash free tier rate limits on NVIDIA NIM?
The listed free tier limit is Up to 40 RPM. Limits can change per account tier, so confirm against the provider dashboard.
What context window does deepseek-v4.1-flash support?
The listed context window is 1.0M tokens with up to 384K output tokens.
More about deepseek-v4.1-flash
deepseek-ai/deepseek-v4.1-flash — free model from NVIDIA NIM (deepseek-ai).
For API keys, setup steps, and provider-level limits, see the NVIDIA NIM provider page.