DeepSeek V4.1 Flash
DeepSeek's fast V4.1 model. On the independent index it scores 32 at its max setting for well under a dollar a task.
DeepSeek, reasoning, open weights. Checked 30 October 2026.
Where to use it through an API
- Ollama Cloud
deepseek-v4.1-flashFree key
The maker publishes its own benchmarks and limits on its model page.
How it compares
The models just above and below it on the Artificial Analysis Intelligence Index.
| Model | Index | Context | Speed |
|---|---|---|---|
| Claude Sonnet 5.5 | 54 | 1M | 137/s |
| Claude Fable 5.1 | 50 | 1M | 64/s |
| Grok 4.7 | 35 | 500K | 94/s |
| DeepSeek V4.1 Flash | 32 | 1M | 179/s |
| GLM-5.3 | 32 | 1M | 72/s |
| Gemini 3.8 Flash | 31 | 1M | 137/s |
| GPT-6 Luna | 28 | 1M | 122/s |
Use DeepSeek V4.1 Flash with every other AI at once
Put DeepSeek V4.1 Flash in one panel and ChatGPT, Claude, Gemini or any of 300+ models in the others. One message goes to all of them, answers arrive side by side, and test mode times them and hides the names so you judge fairly. Free during the beta with your own keys.
Questions
Is there a free DeepSeek V4.1 Flash API?
Yes, within limits: Ollama Cloud give free keys that reach DeepSeek V4.1 Flash.
What is the DeepSeek V4.1 Flash model id?
Ollama Cloud: deepseek-v4.1-flash.
How does DeepSeek V4.1 Flash score?
32 on the Artificial Analysis Intelligence Index at its max setting, checked 30 October 2026.
Can I use DeepSeek V4.1 Flash with ChatGPT, Claude and Gemini at the same time?
Yes. MultiScreenAI puts DeepSeek V4.1 Flash in one panel and other models in the others, sends one message to all of them and shows the answers side by side.