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V2.7.0
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BUMO.AI
Pricing
DeepSeek V4.1
Creator
user
@Mo Workshop

A general-purpose robot based on DeepSeek V4.1, featuring a leading Chinese and English language model, with capabilities comparable to GPT 5.4、Claude Opus 4.6、Gemini 3.1 Pro.

Input 0.15 (cached 0.01) · Output 0.6 beans/token

AI-generated content for reference only. Contact service provider for issues.
About DeepSeek V4.1 - features, use cases & FAQ

DeepSeek Free Online - V4, R1 Reasoning, No Signup

DeepSeek is the open-source Chinese AI lab that shocked the world in 2025 with V3 and R1 — models that match GPT-6 and Claude Fable 5 quality at a fraction of the cost. AIWITH.CHAT lets you use DeepSeek V4.1 Flash, V4 Pro, V3 and the R1 reasoning model on a generous free tier — sign in to get free credits, no API key needed. Compared to chat.deepseek.com, AIWITH.CHAT runs more reliably during peak hours, adds web search, file upload, code interpreter, AI image generation, and lets you compare DeepSeek's answer with GPT-6, Claude and Gemini in one click.

Why use DeepSeek on AIWITH.CHAT

Full DeepSeek lineup
V4.1 Flash, V4 Pro, V3 and the R1 reasoning model.
Generous free tier
Sign in to get free credits, and earn more daily through check-ins.
Reliable during peak hours
Load-balanced endpoints — no "server busy" walls.
Web + files + code
Browse the web, parse PDFs, run code, generate images.

What DeepSeek shines at

Coding
DeepSeek Coder beats most peers on coding benchmarks at very low cost.
Math & reasoning
R1 was trained specifically for chain-of-thought and excels at olympiad-style problems.
Bilingual writing
Top-tier Chinese / English bilingual output, ideal for global content.
Document analysis
Drop in long PDFs or reports for summarization and Q&A.

How to use DeepSeek

  1. 1. Open this DeepSeek page
    You are already here.
  2. 2. Pick V4.1 Flash, V4 Pro or R1
    Flash is fastest. R1 thinks step by step. V4 Pro is the strongest non-reasoning model.
  3. 3. Type or upload
    Text, PDFs, images, code — all supported.
  4. 4. Switch models to compare
    Compare DeepSeek with GPT-6 or Claude on the same prompt.

DeepSeek FAQ

Is DeepSeek free here?
AIWITH.CHAT runs on a freemium model — sign in and you get free credits, refreshed daily through check-ins. Most everyday usage stays within the free tier.
Is this the real DeepSeek?
Yes — we connect to DeepSeek's official API. The model is identical to chat.deepseek.com.
V4 Pro vs R1 — which one?
V4 Pro for fast general-purpose chat. R1 for hard math, code debugging, and step-by-step reasoning.
Can DeepSeek browse the web?
Yes — toggle the web icon and DeepSeek will fetch live sources.
DeepSeek vs GPT-6?
DeepSeek is dramatically cheaper and competitive on code and math. GPT-6 is stronger on broad world knowledge. Switch between them anytime.
Does DeepSeek support file upload?
Yes — PDFs, Word, Excel, TXT, Markdown and images all parsed.
Sign in to try DeepSeek V4.1 and R1 with free credits — no waitlist, no credit card.

More comparisons & guides → Blog