GPT-4 isn't your only option. Here's how the major LLMs compare and when to use each.
Major LLMs Compared
| Model | Provider | Strength | Cost |
|---|---|---|---|
| GPT-4o | OpenAI | General purpose | $$$ |
| GPT-4o-mini | OpenAI | Fast, affordable | $ |
| Claude 3.5 Sonnet | Anthropic | Analysis, long docs | $$ |
| Claude 3.5 Haiku | Anthropic | Fast responses | $ |
| Gemini Pro | Multimodal, Google | $$ | |
| LLaMA 3 | Meta (open) | Self-hosted | Free (hosting $$) |
GPT-4 Family (OpenAI)
Best for: General business tasks, widest integration
- GPT-4o: Most capable, handles images and text
- GPT-4o-mini: Cheaper, faster, 80% of capability
- o1: Complex reasoning (slower, more expensive)
Japanese: Good, sometimes awkward phrasing
Claude Family (Anthropic)
Best for: Document analysis, nuanced writing
- Claude 3.5 Sonnet: Best for analysis, 200k context
- Claude 3.5 Haiku: Fast, affordable
- Safety focus: Less prone to harmful outputs
Japanese: Very natural, culturally aware
Gemini Family (Google)
Best for: Multimodal, Google integration
- Gemini Pro: General purpose, good at images
- Gemini Flash: Faster, cheaper
- Google ecosystem: Docs, Sheets, etc.
Japanese: Strong, benefits from Google's Japanese data
Open-Source Models
Best for: Privacy, control, long-term cost
- LLaMA 3: Meta's model, good all-around
- Mistral: European, efficient
- Qwen: Strong for Asian languages
Trade-off: Setup complexity vs. privacy and cost
Use Case Recommendations
| Use Case | Recommended Model | Why |
|---|---|---|
| Chatbots | GPT-4o-mini or Claude Haiku | Fast, affordable |
| Document analysis | Claude 3.5 Sonnet | Long context |
| Japanese writing | Claude or Gemini | Natural language |
| Image + text | GPT-4o or Gemini Pro | Multimodal |
| Private data | LLaMA 3 (hosted) | No data leaves |
| High volume | GPT-4o-mini | Low per-call cost |
Cost Comparison
Per 1M tokens (approximate):
| Model | Input | Output |
|---|---|---|
| GPT-4o | $2.50 | $10.00 |
| GPT-4o-mini | $0.15 | $0.60 |
| Claude 3.5 Sonnet | $3.00 | $15.00 |
| Claude 3.5 Haiku | $0.25 | $1.25 |
| Gemini Pro | $0.50 | $1.50 |
| LLaMA 3 (hosted) | Hosting cost only | |
How to Choose
- Define use case: What task will AI do?
- Test multiple: Run same prompts through several
- Measure quality: Rate output for your need
- Consider cost: Calculate monthly usage cost
- Factor privacy: Where does data go?
Greene Recommendation
Most businesses start with:
- Primary: GPT-4o-mini for cost-effective general use
- Secondary: Claude 3.5 Sonnet for documents, Japanese
- Special: Gemini if heavy Google integration
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