Baidu AI
19 models across 5 families · Latest: ERNIE 5.1 (2026-05)
Innovative text-to-video and app builder
Baidu AI's portfolio covers 19 active models across 4 current families, spanning coding, rag, and agents. Open a model detail page to compare provider routes and sourced benchmarks.
Covers 7 workload areas across 19 active tracked models; last verified 2026-06-24.
Use it for
- Teams evaluating coding, rag, and agents across this lab's releases
- Comparing model families before committing to a flagship
- Migration and pricing follow-ups across 19 tracked models
Do not use it for
- Choosing a hosting provider without opening a model page for price ladders
Active models
19
Current models from this lab, excluding deprecated ones
Active families
4
Current model families from this lab
Open catalog
7 open
7 open source / 0 open weights
Lowest output price
$0.020 /1M
Cheapest tracked output across active models, per 1M tokens
Latest dated release
2026-05-09
ERNIE 5.1
Freshness
2026-06-24
Researched 24d ago
Information
Release cadence
Showing 5 recent dated releases (full timeline below). Latest: ERNIE 5.1 (2026-05-09).
Where this lab wins
- Coding: 1 tracked model with SWE-bench / HumanEval-style scores.
- RAG: 5 tracked models with ruler / needle retrieval benchmarks.
- Agentic: 11 tracked models with BFCL, tau-bench, and SWE-bench tool-use coverage.
- Long-context: 7 tracked models with context-token or InfiniteBench-class signal.
Flagship quality / price signal
Flagship: ERNIE-4.0-8K (best sourced coding quality-per-dollar in this portfolio).
Quality-per-dollar unavailable for this flagship — benchmark coverage or output token pricing is still missing.
Baidu AI is a Chinese AI research organization founded in 2010. Innovative text-to-video and app builder. Baidu AI ships 5 model families totaling 19 models, with the most recent release ERNIE 5.1 in 2026-05. Notable families include ERNIE 5, Qianfan, and ERNIE 4.5. Use it as a stable reference for lab background, release coverage, and follow-up model pages as they are added. View official API endpoints, benchmark performance, and coding/agent fit for every Baidu AI model.
About
Baidu, a pioneering force in the realm of artificial intelligence, has crafted a distinguished identity in the field of generative AI and Large Language Models (LLMs). Since its inception in 2000 in Beijing, Baidu has relentlessly pursued advancements in deep learning, leveraging feedback-driven innovation as the cornerstone of its technological evolution. This strategic approach has been integral to Baidu's journey, fostering numerous innovations and breakthroughs that have strengthened its foothold in AI development. A hallmark of Baidu's expertise in AI is exemplified through its deep learning algorithms, vital to various applications such as autonomous driving and intelligent resource management. These are practical implementations of Baidu's commitment to harnessing user and market feedback, ensuring that their technologies remain relevant and effective. A notable product of this iterative approach is the Baidu Kunlun AI chip, which epitomizes their capability to translate vast data from user interactions into sophisticated AI solutions. The evolution of ERNIE (Enhanced Representation through Knowledge Integration) underscores Baidu's prowess in LLM technology. Introduced in 2019, ERNIE has progressed through continuous enhancements to reach its 4.0 version by 2023. The ERNIE Bot, launched in 2023, further exemplifies this evolution. It is a knowledge-enhanced LLM equipped to engage in multifaceted tasks such as dialogue, content creation, and multimodal generation, showcasing its versatility across various domains. The model's strength is amplified through advanced techniques like knowledge internalization and dialogue enhancement, all crucial for its superior performance. Baidu's commitment to open-source development, embodied by their deep learning platform PaddlePaddle, has been pivotal in their AI strategy. This platform not only supports the development of ERNIE Bot but also nurtures a vibrant developer community, accelerating innovation in AI applications. Furthermore, Baidu has forged collaborations with partners across the AI spectrum, enhancing its ecosystem and enabling broader deployment of its generative AI technologies. By integrating AI into their core offerings like Baidu Search, the company is redefining user experience with more interactive and personalized interfaces. Beyond LLMs, Baidu explores the boundaries of generative AI across creative fields. Its platform, Wenxin Yige, for example, merges text and imagery to produce traditional Chinese-style art, marrying cultural expression with technological artistry. The application of its generative AI in diverse domains, such as Baidu Wenku, Infoflow, and Baidu Maps, not only enhances productivity but also enriches the user experience. Through platforms like AgentBuilder, Baidu simplifies AI agent creation, empowering enterprises and developers to innovate independently. In essence, Baidu’s trajectory in AI highlights a balanced focus on deep learning acumen and the pragmatic application of AI technologies. Its endeavors in generative AI and LLMs, typified by ERNIE and a suite of other applications, position Baidu as a formidable presence on the global AI stage, poised for enduring growth and innovation.
Featured models
| Model | Released | Context | Input price ($/1M) | Output price ($/1M) | License | Openness |
|---|---|---|---|---|---|---|
| ERNIE 5.1 | 2026-05-09 | 128k | $0.59 | $2.65 | Proprietary | Proprietary |
| CoBuddy | 2026-05-06 | 131k | $0 | $0 | Proprietary | Proprietary |
| Qianfan-OCR-Fast | 2026-04-20 | 66k | $0.68 | $2.81 | Proprietary | Proprietary |
Model families
Recent releases
- ERNIE 5.1- 2026-05-09
- CoBuddy- 2026-05-06
- Qianfan-OCR-Fast- 2026-04-20
- ERNIE 5.0- 2026-01-22
- ERNIE 4.5 VL 424B A47B- 2026-01-01
FAQ
Who founded Baidu AI and when?
Baidu AI was founded in 2010 and is associated with Beijing, China.
What models has Baidu AI released?
Baidu AI ships 19 models across 5 families: ERNIE 5, Qianfan, and ERNIE 4.5.
Is Baidu AI's technology open source?
Some Baidu AI models are open-weight (ERNIE 4.5 21B A3B, ERNIE 4.5 300B A47B, and ERNIE 4.5 VL 28B A3B); others are proprietary (ERNIE 5.1, ERNIE 5.0, and CoBuddy).
Where is Baidu AI headquartered?
Baidu AI is headquartered in Beijing, China.
What is Baidu AI known for?
Innovative text-to-video and app builder. Its most prominent tracked family is ERNIE 5.
How can I access Baidu AI's models?
Baidu AI's models are available via Baidu Qianfan, Fireworks AI, Novita AI, and OpenRouter.
Explore related pages
Last reviewed: 2026-06-24. Data sourced from public lab announcements and provider documentation.