Model key route

Baidu: ERNIE 4.5 21B A3B | limit and speed probe

Baidu: ERNIE 4.5 21B A3B limit probing should cover RPM, TPM, concurrency, max output, first-token latency, and occasional 429/5xx risk.

Provider

Baidu Wenxin

5 models in catalog

Context

120,000

China route

Input price

$0.070

USD / 1M tokens

Output price

$0.280

USD / 1M tokens

Key route summary

Model ID

baidu/ernie-4.5-21b-a3b

Provider

Baidu Wenxin

Check dimension

limit-probe

Read-only check. Detection data burns after 5 minutes.

The result shows observed facts only and never stores the full key.

Confirm identity and visibility first

Use shape, Base URL, model list, and lightweight chat probe together. Compatible OpenAI protocol alone is not identity.

The result shows observed facts only and never stores the full key.

Do not end at success or failure. Return the next action: fill price, add metadata, change route, monitor balance, or do not list yet.