ERNIE 5 Models by Baidu AI
Baidu AIProprietary
2 models2026Up to 128k ctxFrom $0.59/1M input
Last refreshed 2026-06-24. Next refresh: weekly.
Details
ResearcherBaidu AI
LicenseProprietary
Commercial useCommercial use: conditional
Models2
Released2026
Max context128k
Capabilities
Vision1 of 2 models
Multimodal1 of 2 models
Reasoning1 of 2 models
JSON / Tool useAll models
Links
WebsiteAbout
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.
2 in view
ERNIE 5.1Current
Use when the workload needs 128k context and JSON / Tool use.
2026-05128k contextJSON / Tool use
ERNIE 5.0Current
Use when the workload needs 128k context, reasoning, and JSON / Tool use.
2026-01128k contextreasoningJSON / 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 |
| ERNIE 5.0 | Use when the workload needs 128k context, reasoning, and JSON / Tool use. | 2026-01 | 128k contextreasoningJSON / Tool use | Current |
Release Timeline
2 release groupsSpecifications(2 models)
Available From(1 provider)
Pricing
| Model | Provider | Input / 1M | Output / 1M | Type |
|---|---|---|---|---|
| ERNIE 5.1 | Baidu Qianfan | $0.59 | $2.65 | Serverless |
| ERNIE 5.0 | Baidu Qianfan | $0.89 | $3.54 | Serverless |
