AI Provider Comparison

TaprNext supports multiple AI providers for invoice data extraction. This guide helps you choose the right one.

Provider Comparison

Feature	Claude	Gemini	OpenAI	Ollama
Accuracy	★★★★★	★★★★☆	★★★★☆	★★★☆☆
Speed	★★★★☆	★★★★★	★★★★☆	★★★☆☆
Cost	$$	$	$$	Free*
Data Privacy	Cloud	Cloud	Cloud	Local
Setup	Easy	Easy	Easy	Medium

*Ollama is free but requires local hardware

Detailed Comparison

Claude (Anthropic) - Recommended

Best for: Highest accuracy, complex invoices, multiple languages

Aspect	Details
Accuracy	95-99% on standard invoices
Languages	Excellent multilingual support (DE, FR, IT, EN)
Handwriting	Good OCR for handwritten notes
Cost	~$0.01-0.03 per invoice
Model	claude-3-5-sonnet (recommended)

Google Gemini

Best for: Cost-effective, fast processing, Google Cloud users

Aspect	Details
Accuracy	90-95% on standard invoices
Languages	Good multilingual support
Speed	Fastest response times
Cost	~$0.005-0.01 per invoice
Model	gemini-1.5-pro

OpenAI

Best for: Familiar API, GPT ecosystem users

Aspect	Details
Accuracy	90-95% on standard invoices
Languages	Good multilingual support
Vision	Strong image understanding
Cost	~$0.01-0.02 per invoice
Model	gpt-4o (recommended)

Ollama (Local)

Best for: Data sovereignty, air-gapped environments, no recurring costs

Aspect	Details
Accuracy	80-90% depending on model
Privacy	100% local—no data leaves your server
Cost	Free (hardware costs only)
Speed	Depends on hardware
Models	llava, llama3.2-vision

Recommendation Matrix

Your Priority	Recommended Provider
Highest accuracy	Claude
Lowest cost	Gemini or Ollama
Data privacy	Ollama
European data residency	Claude (EU) or Ollama
Fastest setup	Gemini
No internet required	Ollama

Switching Providers

You can switch providers anytime:

1. Go to Tapr Settings > AI Provider
2. Select new provider
3. Enter credentials
4. Save

Existing invoices keep their extracted data. Only new extractions use the new provider.