Overview
GPT-5.6 Terra vs Gemini 3.5 Flash: side-by-side summary
GPT-5.6 Terra and Gemini 3.5 Flash are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
GPT-5.6 Terra, from OpenAI, has a 1,050,000-token context window and is priced at $2/M tokens input, $12/M tokens output on OpenRouter.
Gemini 3.5 Flash, from Google, has a 1,048,576-token context window and is priced at $1.50/M tokens input, $9/M tokens output on OpenRouter.
- Context window
- GPT-5.6 Terra: 1,050,000 tokens
- Gemini 3.5 Flash: 1,048,576 tokens
- Price
- GPT-5.6 Terra: $2/M tokens input, $12/M tokens output
- Gemini 3.5 Flash: $1.50/M tokens input, $9/M tokens output
- Provided by
- GPT-5.6 Terra: OpenAI
- Gemini 3.5 Flash: Google