LLM Selection Guide: Claude vs GPT-4o vs Gemini—Which One to Pick
Contents
Decision Tree
Task type?
├── Coding → Claude 3.7 Sonnet
├── Reasoning/Math → o3-mini
├── Cost-sensitive → Gemini 2.0 Flash
├── Long context → Claude 200k
└── General → GPT-4oCost Comparison
| Model | Input | Output | Context |
|---|---|---|---|
| Claude 3.7 Sonnet | $3/M | $15/M | 200k |
| GPT-4o | $2.5/M | $10/M | 128k |
| Gemini 2.0 Flash | $0.1/M | $0.4/M | 1M |
Conclusion
No best model, only the right model for the job.
Choose by task, not All-in-one.