ChatGPT vs Claude vs Gemini
GPT, Claude and Gemini do roughly the same things, but each has its own style and strengths. One answer here means a 1,000-token question and a 1,000-token reply. USD at the Basic rate.
Comparison
| Model | Strength | Context | Answer |
|---|---|---|---|
| GPT-5.6 Terra | reasoning, code, general tasks | 1.1M | $0.035 |
| Claude Sonnet 5.5 | careful writing, long documents, code | 1M | $0.030 |
| Gemini 3.8 Flash | speed, large files, image input | 1M | $0.013 |
| DeepSeek V4.1 Flash | cheap for simple tasks | 1M | $0.002 |
What to pick
For writing and long documents, Claude. For reasoning and code, GPT. Gemini is fast and takes large files. DeepSeek is far cheaper for simple questions. You can switch models mid-conversation.