Support more llms (#50)

* Use Vercel AI SDK / Add support for Google/Anthropic/Ollama

* Update README.md

* Fix provider

.env.example

@@ -4,6 +4,15 @@ ACTUAL_BUDGET_ID=
 CLASSIFICATION_SCHEDULE_CRON="0 */4 * * *"
 CLASSIFY_ON_STARTUP=true
 SYNC_ACCOUNTS_BEFORE_CLASSIFY=true
+LLM_PROVIDER=openai
 OPENAI_API_KEY=
-OPENAI_MODEL=
-OPENAI_BASE_URL=
+OPENAI_MODEL=gpt-4-turbo
+OPENAI_BASE_URL=https://api.openai.com/v1
+ANTHROPIC_API_KEY=
+ANTHROPIC_MODEL=claude-3-5-sonnet-latest
+ANTHROPIC_BASE_URL=https://api.anthropic.com/v1
+GOOGLE_GENERATIVE_AI_API_KEY=
+GOOGLE_GENERATIVE_AI_MODEL=gemini-1.5-flash
+GOOGLE_GENERATIVE_AI_BASE_URL=https://generativelanguage.googleapis.com
+OLLAMA_MODEL=phi3.5
+OLLAMA_BASE_URL=

README.md

@@ -9,13 +9,13 @@
 </p>
 
 This is a project that allows you to categorize uncategorized transactions for [Actual Budget](https://actualbudget.org/)
-using [OpenAI](https://openai.com/api/pricing/) or OpenAI specification compatible API, like a self-hosted [Ollama](https://github.com/ollama/ollama) server.
+using [OpenAI](https://openai.com/api/pricing/), [Anthropic](https://www.anthropic.com/pricing#anthropic-api), [Google Generative AI](https://ai.google/discover/generativeai/), [Ollama](https://github.com/ollama/ollama) or any other compatible API.
 
 ## 🌟 Features
 
-#### 📊 Classify transactions using OpenAI
+#### 📊 Classify transactions using LLM
 
-The app sends requests to the OpenAI API to classify transactions based on their description, amount, and notes.
+The app sends requests to the LLM to classify transactions based on their description, amount, and notes.
 
 #### 🔄 Sync accounts before classification
 
@@ -49,9 +49,18 @@ services:
       - CLASSIFICATION_SCHEDULE_CRON=0 */4 * * * # How often to run classification.
       - CLASSIFY_ON_STARTUP=true # Whether to classify transactions on startup (don't wait for cron schedule)
       - SYNC_ACCOUNTS_BEFORE_CLASSIFY=false # Whether to sync accounts before classification
-      - OPENAI_API_KEY=your_openai_api_key
-#      - OPENAI_MODEL= # optional. required if you want to use a specific model, default is "gpt-3.5-turbo-instruct"
+      - LLM_PROVIDER=openai # Can be "openai", "anthropic", "google-generative-ai" or "ollama"
+#      - OPENAI_API_KEY= # optional. required if you want to use the OpenAI API
+#      - OPENAI_MODEL= # optional. required if you want to use a specific model, default is "gpt-4-turbo"
 #      - OPENAI_BASE_URL= # optional. required if you don't want to use the OpenAI API but OpenAI compatible API, ex: "http://ollama:11424/v1
+#      - ANTHROPIC_API_KEY= # optional. required if you want to use the Anthropic API
+#      - ANTHROPIC_MODEL= # optional. required if you want to use a specific model, default is "claude-3-5-sonnet-latest"
+#      - ANTHROPIC_BASE_URL= # optional. default: "https://api.anthropic.com/v1
+#      - GOOGLE_GENERATIVE_AI_API_KEY= # optional. required if you want to use the Google Generative AI API
+#      - GOOGLE_GENERATIVE_AI_MODEL= # optional. required if you want to use a specific model, default is "gemini-1.5-flash"
+#      - GOOGLE_GENERATIVE_AI_BASE_URL= # optional. default: "https://generativelanguage.googleapis.com"
+#      - OLLAMA_MODEL=phi3.5 # optional. required if you want to use a Ollama specific model, default is "phi3.5"
+#      - OLLAMA_BASE_URL= # optional. required for ollama provider
 #      - ACTUAL_E2E_PASSWORD= # optional. required if you have E2E encryption
 #      - NODE_TLS_REJECT_UNAUTHORIZED=0 # optional. required if you have trouble connecting to Actual server 
 ```