Last updated 08-13-2026
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BigbigAI (formerly AI大作)
BigbigAI turns short Chinese text prompts into posters, logos, infographics, and gallery artwork in your browser. You describe what you want in plain language, pick a design agent or painting workflow, and get visuals without opening desktop software. The site also hosts a public prompt gallery and Stable Diffusion prompt builder for refining results.
Where most image generators stop at a single model reply, BigbigAI adds multi-model review tools. Its Cross Research agent runs the same question through models like Doubao, Qwen, and DeepSeek to surface agreement and conflicts, while Devil's Advocate pushes back on assumptions before you act on AI output. That pairing sits alongside one-click design agents and a Stable Diffusion prompt builder with standard and pro modes.
Graphic designers, e-commerce sellers, and marketing teams use it for fast Chinese-language visuals, while beginners lean on shared prompt examples from the community gallery. Image utilities cover GPT-Image editing, pattern extraction, background removal, and detail upscaling, so you can refine assets in one place instead of hopping between sites.
Easily Poster, Easily Logo, and Easily Infographic agents generate commercial-ready visuals from a single sentence prompt
Cross Research runs Doubao, Qwen, and DeepSeek in parallel and highlights consensus points plus disagreements
Devil's Advocate mode asks multiple models to challenge your plan and surface risks before you commit
Stable Diffusion prompt builder offers standard and pro modes with weighted tags for quality, resolution, and render engines
About page documents 32 painting styles, 28 artist references, batch generation, and multiple output sizes
Image tools include GPT-Image editing, pattern extraction, AI cutout, and detail enhancement upscaling
Design agents cover posters, logos, and infographics from one sentence prompts
Cross Research and Devil's Advocate reduce reliance on a single model answer
Public gallery and workflow square give reusable prompt starting points
Browser-based image tools handle cutout, upscale, and pattern extraction
Chinese-first interface and prompt tooling suit domestic design teams
Primary interface and documentation are in Chinese, which limits non-Chinese speakers
No public pricing page was found on the official site during research
Advanced agent and workflow features add learning curve beyond basic text-to-image
What is BigbigAI used for?
BigbigAI is a Chinese AI design platform for generating posters, logos, infographics, and artwork from text prompts. It also offers multi-model review agents, a prompt gallery, and image editing utilities on one website.
What are Cross Research and Devil's Advocate on BigbigAI?
Cross Research on BigbigAI sends the same question to models like Doubao, Qwen, and DeepSeek, then summarizes where they agree and where they differ. Devil's Advocate asks multiple models to argue against your idea so you can spot weak assumptions.
Does BigbigAI support Stable Diffusion prompts?
Yes. BigbigAI includes a Stable Diffusion prompt tool with standard and pro versions. You can add weighted tags for quality, resolution, render engines, and art styles before sending prompts to the creation page.
Who built BigbigAI?
BigbigAI, originally called AI大作, was developed with a team led by Dr. Han Wei from Tsinghua University and support from the bigbigwork technical team, according to the site's about page. The operator listed in the footer is 大设（上海）信息科技有限公司.
How do I contact BigbigAI support?
BigbigAI lists [email protected] for questions and business inquiries on its contact page. Online customer service hours are Monday through Saturday, 9:30 to 18:30, with WeChat support also offered.
What image editing tools does BigbigAI include?
BigbigAI's homepage links to GPT-Image editing, pattern extraction, AI background removal, and detail enhancement upscaling workflows. These run in the browser so you can polish generated images without separate desktop software.