ERNIE 5 Models by Baidu AI
Baidu AIProprietary
Baidu AI releases · 10 in the last 12 months · this family litChangelog →
2 models2026Up to 128K ctxFrom $0.590/1M input
Last refreshed 2026-10-17. Next refresh: weekly.
About
ERNIE 5 is Baidu's fifth-generation ERNIE model family. ERNIE 5.0 (announced Feb 2026) is a 2.4T-parameter fully multimodal model. ERNIE 5.1 (released May 9, 2026) is a lighter model at approximately 800B total parameters, achieving comparable frontier performance at 6% of the pre-training compute cost.
Decision facts
Current Variants
Use-when guidance is based on each model's tracked capabilities, context window, release date, and replacement status.
1 in view1 retired
ERNIE 5.1Current
Use when the workload needs 128K context and JSON / Tool use.
2026-05128K contextJSON / Tool use
| Model | Use when | Released | Signals | Status |
|---|---|---|---|---|
| ERNIE 5.1 | Use when the workload needs 128K context and JSON / Tool use. | 2026-05 | 128K contextJSON / Tool use | Current |
Release Timeline
2 release groupsReplaced By
Specifications(2 models)
| Model | Released | Context | Parameters | Vision | Multimodal | Reasoning | JSON / Tool use |
|---|---|---|---|---|---|---|---|
| ERNIE 5.1 | 2026-05 | 128K | — | No | No | No | Yes |
Available From(1 provider)
Pricing
| Model | Provider | Input / 1M | Output / 1M | Type |
|---|---|---|---|---|
| ERNIE 5.1 | Baidu Qianfan | $0.59 | $2.65 | Serverless |
