LLM Comparison
Sonar Reasoning Pro vs Gemma 4 31B
Side-by-side specs, pricing & capabilities · Updated April 2026
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2/6 modelsSame tier:
S Sonar Reasoning Pro | ||
|---|---|---|
| Organization | Perplexity AI | |
| OpenTools Score | ||
| Family | Sonar | Gemma |
| Status | Current | Current |
| Release Date | Mar 2025 | Apr 2026 |
| Context Window | 128K tokens | 262K tokens |
| Input Price | $2.00/M tokens | — |
| Output Price | $8.00/M tokens | — |
| Pricing Notes | — | Free tier available on OpenRouter with rate limits |
| Capabilities | textvisioncodeextended-thinking | textvisionvideocode |
| Max Output | — | 33K tokens |
| API Identifier | perplexity/sonar-reasoning-pro | google/gemma-4-31b-it:free |
| Benchmarks | ||
| MMLU | 83 | — |
| View Sonar Reasoning Pro | View Gemma 4 31B | |
Perplexity AI
Sonar Reasoning Pro
Sonar Reasoning Pro is a multimodal llm from Perplexity AI. Supports up to 128,000 token context window. Achieves 83.0% on MMLU. Available from $2.00/M input tokens.
Gemma 4 31B
Gemma 4 31B is a multimodal llm from Google. Supports up to 262,144 token context window. Available free with rate limits on OpenRouter.
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