Update models and pricing based on reviewer feedback - Add latest OpenAI models, remove obsolete ones, update pricing structure

Author: drewbabel

extensions/chatgpt-quick-actions/CHANGELOG.md

@@ -1,10 +1,13 @@
 # ChatGPT Quick Actions Changelog
 
-## [Add latest OpenAI models] - {PR_MERGE_DATE}
-
-- Add support for new OpenAI reasoning models: `o1-preview`, `o1-mini`, and `o3-mini`
-- Update pricing estimates for the new models
-- Models are now available in all command preferences and global preferences
+## [Update to latest OpenAI models and pricing] - {PR_MERGE_DATE}
+
+- Add support for latest OpenAI models: `gpt-4.1`, `gpt-4.1-mini`, `gpt-4.1-nano`, `o1`, `o1-mini`, `o1-pro`, `o3`, `o3-mini`, `o4-mini`
+- Remove obsolete models: `gpt-3.5-turbo`, `gpt-4`, `gpt-4-turbo`, `o1-preview`
+- Update pricing calculations to use the latest OpenAI pricing structure (per 1M tokens)
+- Update all model pricing to reflect current OpenAI API rates
+- Rename pricing function parameters to `input_token` and `output_token` for consistency with OpenAI docs
+- All models are available in both global preferences and individual command preferences
 
 ## [Add Transform and Transform Preview commands] - 2024-09-18