Update README.md

README.md

@@ -78,6 +78,19 @@ completion = client.chat.completions.create(
 )
 ```
 
+## Using specific checkpoints
+To use a specific checkpoint, use the `revision` argument:
+
+**Using transformers**
+```
+model = AutoModelForCausalLM.from_pretrained("llm360/k2-v2-instruct", device_map="auto", revision=stage_1_0135000)
+```
+
+**Using vLLM**
+```
+vllm serve LLM360/K2-V2-Instruct --tensor-parallel-size 8 --port 8000 --revision stage_1_0135000
+```
+
 ## With Tool-use
 To enable tool-use, load, tokenize, and generate as the examples above, but additionally define a set of tools and pass them to the chat template.