Google: Gemini 3.1 Pro Preview Custom Tools vs OpenAI: GPT-5.6 Terra Pro
They cost about the same for input tokens: Google: Gemini 3.1 Pro Preview Custom Tools $2.00 per M, OpenAI: GPT-5.6 Terra Pro $2.00 per M. They cost about the same for output tokens: Google: Gemini 3.1 Pro Preview Custom Tools $12.00 per M, OpenAI: GPT-5.6 Terra Pro $12.00 per M. About the same: Google: Gemini 3.1 Pro Preview Custom Tools takes up to 1,048,576 tokens of context and OpenAI: GPT-5.6 Terra Pro up to 1,050,000. Google: Gemini 3.1 Pro Preview Custom Tools accepts audio, file, image, text, video; OpenAI: GPT-5.6 Terra Pro accepts file, image, text.
| Google: Gemini 3.1 Pro Preview Custom Tools | OpenAI: GPT-5.6 Terra Pro | |
|---|---|---|
| Model id | google/gemini-3.1-pro-preview-customtools | openai/gpt-5.6-terra-pro |
| Input | $2.00 per M | $2.00 per M |
| Output | $12.00 per M | $12.00 per M |
| Context length | 1,048,576 tokens | 1,050,000 tokens |
| Accepts | audio, file, image, text, video | file, image, text |
| Produces | text | text |
| Served by | openai |
Prices are the providers' list prices per million tokens, as of . Both run on your own provider key through one OpenAI-compatible endpoint, with no fee on the tokens.