Update README.md

- Changed default model from `search` to `chat` in examples.

README.md

@@ -154,7 +154,7 @@ Search().run(query="What is today's date?")
 | Online search query                      | `-q`,  `--query`             | --query "What is today's date?"                     | query="What is today's date?"                     |
 | User prompt                              | `-p`,  `--prompt`            | --prompt "How many stars are there in our galaxy?"  | prompt="How many stars are there in our galaxy?"  |
 | API key for authentication               | `-a`,  `--api_key`           | --api_key your_api_key                              | api_key="your_api_key"                            |
-| Model name                               | `-m`,  `--model`             | --model "llama-3-sonar-large-32k-online"            | model="llama-3-sonar-large-32k-online"            |
+| Model name                               | `-m`,  `--model`             | --model "llama-3-sonar-large-32k-chat"              | model="llama-3-sonar-large-32k-chat"              |
 | Enable streaming mode                    | `-st`, `--stream`            | --stream                                            | stream=True                                       |
 | System prompt (instructions)             | `-sp`, `--system_prompt`     | --system_prompt "Be precise and concise."           | system_prompt="Be precise and concise."           |
 | Maximum tokens to generate               | `-mt`, `--max_tokens`        | --max_tokens 100                                    | max_tokens=100                                    |