Google: Gemini 2.5 Flash vs xAI: Grok 4.20 Beta
Side-by-side comparison of Google: Gemini 2.5 Flash and xAI: Grok 4.20 Beta. Compare pricing, context window, capabilities, and find out which is better for your workflow.
Verdict
strong confidenceGoogle: Gemini 2.5 Flash leads overall
Google: Gemini 2.5 Flash leads in price and capabilities and max output, making it the stronger choice for most workflows. xAI: Grok 4.20 Beta remains competitive with advantages in context window.
Best for with Google: Gemini 2.5 Flash
Best for with xAI: Grok 4.20 Beta
Side-by-side
Technical specifications
| Google: Gemini 2.5 Flash | xAI: Grok 4.20 Beta | |
|---|---|---|
| Provider | xAI | |
| Input price | $0.30/M | $2/M |
| Output price | $3/M | $6/M |
| Context window | 1.0M | 2.0M |
| Max output | 66K | N/A |
| Capabilities | Tool useVisionAudioReasoning | Tool useVisionReasoning |
| Released | Jun 17, 2025 | Mar 12, 2026 |
Scoring breakdown
How each dimension compares
Price
Google: Gemini 2.5 Flash leadsGoogle: Gemini 2.5 Flash
$3/M tokens
xAI: Grok 4.20 Beta
$6/M tokens
Context Window
xAI: Grok 4.20 Beta leadsGoogle: Gemini 2.5 Flash
1.0M tokens
xAI: Grok 4.20 Beta
2.0M tokens
Capabilities
Google: Gemini 2.5 Flash leadsGoogle: Gemini 2.5 Flash
4/4
xAI: Grok 4.20 Beta
3/4
Max Output
Google: Gemini 2.5 Flash leadsGoogle: Gemini 2.5 Flash
66K tokens
xAI: Grok 4.20 Beta
N/A
Recency
Google: Gemini 2.5 Flash
Jun 2025
xAI: Grok 4.20 Beta
Mar 2026
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