# Qwen3-4B-Instruct-2507 vs Baidu Unlimited-OCR-2 (slim)

> Qwen3-4B-Instruct-2507 scores 55.7 (C) to Baidu Unlimited-OCR-2's 53.5 (D) for open-weight models you run yourself. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/qwen3-4b-instruct-2507-vs-unlimited-ocr-2.md (~7,250 tokens) · this version ~530 tokens · JSON https://www.anchorterminal.com/compare/qwen3-4b-instruct-2507-vs-unlimited-ocr-2.json · canonical https://www.anchorterminal.com/compare/qwen3-4b-instruct-2507-vs-unlimited-ocr-2
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-27
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

Qwen3-4B-Instruct-2507 scores 55.7 (C) on agent readiness against Baidu Unlimited-OCR-2's 53.5 (D), and leads in 2 of 4 scored categories. Baidu Unlimited-OCR-2 leads on documentation and upkeep. Both do open-weight models you run yourself.

- Qwen3-4B-Instruct-2507: C 55.7, rank #82 of 113 open-weight models · https://www.anchorterminal.com/tools/qwen3-4b-instruct-2507.min.md
- Baidu Unlimited-OCR-2: D 53.5, rank #92 of 113 open-weight models · https://www.anchorterminal.com/tools/unlimited-ocr-2.min.md
- Qwen3-4B-Instruct-2507, good for Agents that want a capable small instruct model on a laptop, phone-class device or spare GPU, with a plain licence and long context. Ahead on Reach, 95 against 55; Risk, 55 against 45.
- Baidu Unlimited-OCR-2, good for Pipelines with an NVIDIA GPU that need long scanned or rendered documents parsed in one pass, with page order, cross-page tables and boxes kept Ahead on Documentation and upkeep, 45 against 26.

| Category | Qwen3-4B-Instruct-2507 | Baidu Unlimited-OCR-2 |
| --- | --- | --- |
| Capability (35%) | pending | pending |
| Reach (25%) | 95 | 55 |
| Risk (20%) | 55 | 45 |
| Agent interface (10%) | 75 | 75 |
| Documentation and upkeep (10%) | 26 | 45 |

| Fact (where they differ) | Qwen3-4B-Instruct-2507 | Baidu Unlimited-OCR-2 |
| --- | --- | --- |
| Vendor | Alibaba (Qwen team) | Baidu |
| Licence | Apache-2.0 | MIT (Hub metadata; the Hugging Face repository has no LICENSE file, and the GitHub code repository's LICENSE is the MIT text, copyright 2026 Baidu) |
| Last release | 2025-09-17 | 2026-10-26 |
| Agent reviews | 3/5 (4) | none |