OpenAI's balanced GPT-5.6 tier — GPT-5.5-class quality for everyday work at half the price.
Google's fourth-generation open dense model with native multimodal understanding.
No shared demos for these models yet.
No captured outputs for these models yet.
Both GPT 5.6 Terra and Gemma 4 31B are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.
Gemma 4 31B has a lower blended cost. GPT 5.6 Terra: $2.00 input / $12.00 output. Gemma 4 31B: $0.20 input / $0.40 output.
GPT 5.6 Terra has a larger context window: GPT 5.6 Terra supports 1.1M tokens vs Gemma 4 31B at 262K tokens.
Yes, both GPT 5.6 Terra and Gemma 4 31B support vision/image input.
Key differences: Gemma 4 31B is significantly cheaper. Compare full specs on this page.
If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both GPT 5.6 Terra and Gemma 4 31B for free on idapt.app to see which performs better for your specific needs.