fix: update provider examples

Author: ErikBjare

docs/providers.rst

@@ -9,19 +9,19 @@ To select a provider and model, run ``gptme`` with the ``-m``/``--model`` flag s
 
 .. code-block:: sh
 
-    gptme --model openai/gpt-4o "hello"
-    gptme --model anthropic "hello"  # if model part unspecified, will fall back to the provider default
-    gptme --model openrouter/meta-llama/llama-3.1-70b-instruct "hello"
-    gptme --model deepseek/deepseek-reasoner "hello"
-    gptme --model gemini/gemini-1.5-flash-latest "hello"
-    gptme --model groq/llama-3.3-70b-versatile "hello"
-    gptme --model xai/grok-beta "hello"
-    gptme --model local/llama3.2:1b "hello"
-
-On first startup, if ``--model`` is not set, and no API keys are set in the config or environment it will be prompted for. It will then auto-detect the provider, and save the key in the configuration file.
+    gptme "hello" -m openai/gpt-5
+    gptme "hello" -m anthropic  # will use provider default
+    gptme "hello" -m openrouter/x-ai/grok-4
+    gptme "hello" -m deepseek/deepseek-reasoner
+    gptme "hello" -m gemini/gemini-2.5-flash
+    gptme "hello" -m groq/llama-3.3-70b-versatile
+    gptme "hello" -m xai/grok-beta
+    gptme "hello" -m local/llama3.2:1b
 
 You can list the models known to gptme using ``gptme '/models' - '/exit'``
 
+On first startup API key will be prompted for if no model and no API keys are set in the config/environment. The key will be saved in the configuration file, the provider will be inferred, and its default model used.
+
 Use the ``[env]`` section in the :ref:`global-config` file to store API keys using the same format as the environment variables:
 
 - ``OPENAI_API_KEY="your-api-key"``