LLM Comparison
Grok 4.20 vs Gemma 4 31B
Side-by-side specs, pricing & capabilities · Updated April 2026
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2/6 modelsSame tier:
| Organization | ||
| OpenTools Score | 77 19.3 | 73 |
| Family | Grok | Gemma |
| Status | Current | Current |
| Release Date | Mar 2026 | Apr 2026 |
| Context Window | 2.0M tokens | 262K tokens |
| Input Price | $2.00/M tokens | — |
| Output Price | $6.00/M tokens | — |
| Pricing Notes | Cache read: $0.2000/M tokens | Free tier available on OpenRouter with rate limits |
| Capabilities | textvisioncode | textvisionvideocode |
| Max Output | — | 33K tokens |
| API Identifier | x-ai/grok-4.20 | google/gemma-4-31b-it:free |
| View Grok 4.20 | View Gemma 4 31B |
xAI
Grok 4.20
Grok 4.20 is a multimodal llm from xAI. Supports up to 2,000,000 token context window. 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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