ERNIE 4.5 300B
Open Weights
Baidu
Baidu's open-weight flagship text MoE (July 2025), part of the ERNIE 4.5 family open-sourced under Apache 2.0. The 300B-A47B model activates 47B parameters and delivers strong reasoning and Chinese/English performance, alongside multimodal and smaller variants from 0.3B to 424B.
Strengths
- Open-weight flagship MoE under Apache 2.0
- 300B total parameters with 47B active
- Strong Chinese and English performance
- Part of a full 0.3B-424B family (incl. multimodal)
- Backed by Baidu's serving infrastructure
Caveats
- Large MoE - demanding to self-host
- This variant is text-only (VL variants add vision)
- Newer open ecosystem outside China
- Vendor
- Baidu
- Context Window
- 131,072 tokens
- License
- Apache-2.0
- Release Date
- 2025-07-01
- Modalities
- text
Capabilities
Vision
Audio
Video
Tool Use
Resources
Pricing
Open weights under Apache 2.0 - free to self-host; also served via Baidu's ERNIE API. Large MoE - demanding to self-host.