diff --git a/docs/openai-models.md b/docs/openai-models.md
index a8d9ae4..038d139 100644
--- a/docs/openai-models.md
+++ b/docs/openai-models.md
@@ -44,7 +44,7 @@ OpenAI Completion: gpt-3.5-turbo-instruct (aliases: 3.5-instruct, chatgpt-instru
 
 See [the OpenAI models documentation](https://platform.openai.com/docs/models) for details of each of these.
 
-The best balance of price and capacity are the `-turbo` models. `gpt-3.5-turbo` (aliased to `3.5`) is the least expensive. `gpt-4-turbo-preview` (aliased to `4t`) is the cheapest of the GPT-4 models.
+`gpt-3.5-turbo` (aliased to `3.5`) is the least expensive model. `gpt-4o` (aliased to `4o`) is the newest, cheapest and fastest of the GPT-4 family of models.
 
 The `gpt-3.5-turbo-instruct` model is a little different - it is a completion model rather than a chat model, described in [the OpenAI completions documentation](https://platform.openai.com/docs/api-reference/completions/create).
 
diff --git a/docs/usage.md b/docs/usage.md
index e037186..568b525 100644
--- a/docs/usage.md
+++ b/docs/usage.md
@@ -18,9 +18,9 @@ To disable streaming and only return the response once it has completed:
 ```bash
 llm 'Ten names for cheesecakes' --no-stream
 ```
-To switch from ChatGPT 3.5 (the default) to GPT-4 Turbo:
+To switch from ChatGPT 3.5 (the default) to GPT-4o:
 ```bash
-llm 'Ten names for cheesecakes' -m gpt-4-turbo
+llm 'Ten names for cheesecakes' -m gpt-4o
 ```
 You can use `-m 4t` as an even shorter shortcut.
 
@@ -361,6 +361,6 @@ OpenAI Completion: gpt-3.5-turbo-instruct (aliases: 3.5-instruct, chatgpt-instru
 
 When running a prompt you can pass the full model name or any of the aliases to the `-m/--model` option:
 ```bash
-llm -m chatgpt-16k \
+llm -m 4o \
   'As many names for cheesecakes as you can think of, with detailed descriptions'
 ```