OpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
Search AI tools, categories, and leaderboards
BigModel records 5,700,686 monthly visits with -17% month-over-month growth and Freemium, Free Trial, Paid, Contact for Pricing pricing. OLOCR records 36,507 monthly visits with +92% growth and Free pricing.

Free online AI OCR for images, tables and PDFs
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | bigmodel.cn | olocr.com |
| Pricing Model | Freemium, Free Trial, Paid, Contact for Pricing | Free |
| Monthly Visits | 5.7M (5,700,686) | 36.51K (36,507) |
| MoM Traffic Delta | -1.17M (-17%) | +17.49K (+92%) |
| Primary Market & Share | 🇨🇳 China (85.8%) | 🇮🇳 India (20.7%) |
| Direct Visits / mo | 4.23M | 15.02K |
| User Rating | 5 | 5 |
| Supported Platforms | Website | Website |

Zhipu AI's open platform for GLM large models, multimodal APIs, and agent building
Unified access to GLM large language models plus vision, OCR, speech, image, and video endpoints through one account.
Build tool-using agents and expose or consume MCP services to connect models to external systems.
Create managed knowledge bases and retrieval pipelines so models can answer with your own documents.
Tune models on your data and prototype prompts interactively in the browser before shipping.

Free online AI OCR for images, tables and PDFs
Separate workflows for Image to Excel, Image to Word, PDF to Searchable, Image to Text, GIF to Text and an image translator, so you start from the output you need.
Handles table borders, merged cells, multi-row header spans and nested hierarchies, producing properly aligned .xlsx output instead of a wall of text.
Recognises handwritten figures in paper grids and crops photos embedded in table cells directly into the exported spreadsheet.
Processes multiple images or PDF pages in one pass and supports more than 100 languages, including CJK scripts.
OpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
Google's multimodal AI assistant powered by Gemini 4 Carbon (Gemini Carbon 4), Gemini 4 Argon, and Gemini 3.8 Flash with a 1M-token context window and Workspace integration.
High-efficiency open-weight and hosted reasoning AI powered by DeepSeek-V4 and R1 at ultra-low token costs.
Enterprise developer platform and API for deploying GPT-6 Astra, Sol, Luna, and realtime multimodal agents.
Google's rapid prototyping IDE and developer API workbench for building multimodal applications with Gemini models.
Real-time AI answer engine and research workspace combining live web citations with frontier reasoning models.
Alibaba Cloud's 4th-generation multimodal AI assistant and foundation model lineup (Qwen4-Max, Qwen4-Plus, Qwen4-Flash & open-weight Qwen4-27B) with 1M context.
Deploy AI agents and build apps conversationally on top of your own data
One API key for hundreds of AI models from every major provider
Moonshot AI's long-context assistant for research, coding, and agentic work
Get paid to train the next generation of AI models
Run and build with open AI models locally or in the cloud