Amazon Nova Premier is the most capable of Amazon’s multimodal models for complex reasoning tasks and for use as the best teacher for distilling custom models.
Model details →Amazon: Nova Premier 1.0 vs Google: Gemini 3.1 Pro Preview Custom Tools
Google: Gemini 3.1 Pro Preview Custom Tools wins on 4 of 6 axes — pricing and capability skew in its favour for most workloads.
Gemini 3.1 Pro Preview Custom Tools is a variant of Gemini 3.1 Pro that improves tool selection behavior by preventing overuse of a general bash tool when more efficient third-party or user-defined functions are available. This specialized …
Model details →Side-by-side comparison
| Capability | Amazon: Nova Premier 1.0 | Google: Gemini 3.1 Pro Preview Custom Tools | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 1M | 1.0M | 🏆 Google: Gemini 3.1 Pro Preview Custom Tools |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $2.50 | $2.00 | 🏆 Google: Gemini 3.1 Pro Preview Custom Tools |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $12.50 | $12.00 | 🏆 Google: Gemini 3.1 Pro Preview Custom Tools |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | Yes | Yes | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | — | Yes | 🏆 Google: Gemini 3.1 Pro Preview Custom Tools |
Frequently asked questions
Is Amazon: Nova Premier 1.0 better than Google: Gemini 3.1 Pro Preview Custom Tools?
Google: Gemini 3.1 Pro Preview Custom Tools wins on 4 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between Amazon: Nova Premier 1.0 and Google: Gemini 3.1 Pro Preview Custom Tools?
Input: $2.50 vs $2.00 per 1M tokens. Output: $12.50 vs $12.00 per 1M tokens.
What context windows do Amazon: Nova Premier 1.0 and Google: Gemini 3.1 Pro Preview Custom Tools support?
Amazon: Nova Premier 1.0 supports up to 1M tokens. Google: Gemini 3.1 Pro Preview Custom Tools supports up to 1.0M tokens.
Do both Amazon: Nova Premier 1.0 and Google: Gemini 3.1 Pro Preview Custom Tools support tool calling?
Amazon: Nova Premier 1.0: yes. Google: Gemini 3.1 Pro Preview Custom Tools: yes.