```
SHOW MODEL STATS;
SHOW MODEL STATS DAYS 7;
SHOW MODEL STATS FROM '2024-01-01' TO '2024-01-31';
SHOW MODEL STATS DAYS 7 'openai'; -- provider
SHOW MODEL STATS DAYS 7 'openai' 'prod'; -- provider + instance
SHOW MODEL STATS DAYS 7 'openai' 'prod' 'gpt-4o'; -- provider + instance + model
SHOW MODEL STATS DAYS 7 BY DATE;
SHOW MODEL STATS DAYS 7 BY MODEL;
SHOW MODEL STATS DAYS 7 BY INSTANCE;
SHOW MODEL STATS DAYS 7 BY PROVIDER;
SHOW MODEL STATS DAYS 30 'openai' BY DATE;
SHOW MODEL STATS DAYS 30 'openai' 'prod' BY MODEL;
SHOW MODEL STATS DAYS 30 'openai' 'prod' 'gpt-4o' BY DATE;
SHOW MODEL STATS FROM '2024-01-01' TO '2024-01-31' 'azure' BY INSTANCE;
SHOW MODEL STATS FROM '2024-01-01' TO '2024-01-31' BY PROVIDER;
```
---------
Signed-off-by: Jin Hai <haijin.chn@gmail.com>