Google: Gemini 3.1 Pro Preview vs Perplexity: Sonar Reasoning Pro
Side-by-side comparison — pricing, context window, capabilities, and live leaderboard data.
Key differences
- Google: Gemini 3.1 Pro Preview has a 1049K-token context window — 8.2× larger than Perplexity: Sonar Reasoning Pro's 128K.
- Google: Gemini 3.1 Pro Preview is built by Google; Perplexity: Sonar Reasoning Pro is built by Perplexity.
Specifications
| Google: Gemini 3.1 Pro Preview | Perplexity: Sonar Reasoning Pro | |
|---|---|---|
| Provider | Perplexity | |
| Context window | 1049K | 128K |
| Max output tokens | 8192 | 8192 |
| Input price / 1K tokens | $0.0020 | $0.0020 |
| Output price / 1K tokens | $0.0120 | $0.0080 |
| Vision support | Yes | Yes |
| Function calling | No | No |
| License | Proprietary | Proprietary |
About Google: Gemini 3.1 Pro Preview
US·ClosedGemini 3.1 Pro Preview is Google’s frontier reasoning model, delivering enhanced software engineering performance, improved agentic reliability, and more efficient token usage across complex workflows. Building on the multimodal foundation...
View Google: Gemini 3.1 Pro Preview reliability and benchmark history →About Perplexity: Sonar Reasoning Pro
US·ClosedNote: Sonar Pro pricing includes Perplexity search pricing. See [details here](https://docs.perplexity.ai/guides/pricing#detailed-pricing-breakdown-for-sonar-reasoning-pro-and-sonar-pro) Sonar Reasoning Pro is a premier reasoning model powered by DeepSeek R1 with Chain of Thought (CoT). Designed for...
View Perplexity: Sonar Reasoning Pro reliability and benchmark history →Try them yourself
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