Baidu
1 model built · 7 served
Baidu is China's largest search engine operator, founded in 2000, and the company behind the ERNIE (Wenxin) family of large language models. On OpenKey, Baidu's lineup is represented by a single model: ERNIE 4.5 VL 424B A47B, a mixture-of-experts multimodal model (424B total parameters, 47B active) that handles both text and image input. Baidu's broader ERNIE strategy pairs large flagship models with search and cloud integration inside China, but the OpenKey roster only reflects this one release, released June 30, 2025, so there's no lineup breadth to compare yet — just this one model's capabilities and price.
Lineup
With only one Baidu model on OpenKey, there's no flagship-vs-cheap decision to make: ERNIE 4.5 VL 424B A47B is the only option. It's a multimodal model (text+image to text) with a 131,072 token context window, priced at $0.42 per 1M input tokens and $1.25 per 1M output tokens ($0.4326 / $1.2875 on OpenKey after the flat 3% fee). Use it when you need image understanding alongside text generation and want a mixture-of-experts model with a large context window. There's no free Baidu model available.
- ERNIE 4.5 VL 424B A47B Jun 30, 2025 131K $0.433 $1.29 ctx 131K · in $0.433 · out $1.29
Prices per 1M tokens, flat 3% fee included.
Models Baidu serves
Beyond its own models, Baidu hosts 7 models in the OpenKey catalog. Prices are Baidu’s own list price per 1M input tokens, before our fee.
| Model | Built by | Context | Input /M |
|---|---|---|---|
| DeepSeek V3.2 | DeepSeek | 131K | $0.207 |
| DeepSeek V4 Flash | DeepSeek | 1.0M | $0.091 |
| DeepSeek V4 Pro | DeepSeek | 1.0M | $0.625 |
| Kimi K2.6 | Moonshot AI | 262K | $0.646 |
| GLM 5 | Z.ai | 203K | $0.700 |
| GLM 5.1 | Z.ai | 203K | $0.952 |
| GLM 5.2 | Z.ai | 1.0M | $0.770 |
From the OpenRouter catalog, Jul 28, 2026. All providers
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Questions
- What does Baidu cost on OpenKey?
- Baidu has one model on OpenKey: ERNIE 4.5 VL 424B A47B, priced at $0.42 per 1M input tokens and $1.25 per 1M output tokens from the provider. OpenKey applies a flat 3% fee on top, so you pay $0.4326 per 1M input tokens and $1.2875 per 1M output tokens. There's no free Baidu model in the lineup.
- Which Baidu model should I use?
- There's only one choice: ERNIE 4.5 VL 424B A47B. It's a mixture-of-experts multimodal model (424B total / 47B active parameters) that takes text and image input and returns text, with a 131,072 token context window. Released June 30, 2025, it's Baidu's newest and only model currently on OpenKey.
- Does OpenKey give API access to Baidu's ERNIE models?
- Yes — OpenKey provides API access to ERNIE 4.5 VL 424B A47B through the same single-key setup used for all 329 models across 52 labs on the platform. You get provider list pricing plus the flat 3% fee, no separate Baidu account or contract needed.