Grok 4 Fast (free) is cheaper than Gemini 3.1 Flash Lite Preview at $0/M vs $0.25/M input tokens.
| Spec | Gemini 3.1 Flash Lite Preview | Grok 4 Fast (free) |
|---|---|---|
| Input price | $0.25/M tokens | Free |
| Output price | $1.5/M tokens | Free |
| Context window | 1.0M tokens | 2.0M tokens |
| Released | Mar 2026 | Sep 2025 |
Not enough votes to call it. On the specs, Grok 4 Fast (free) has the edge: bigger model tier, bigger context window.
Gemini 3.1 Flash Lite Preview uses 3.9x more bold
Grok 4 Fast (free) is cheaper than Gemini 3.1 Flash Lite Preview at $0/M vs $0.25/M input tokens.
| Spec | Gemini 3.1 Flash Lite Preview | Grok 4 Fast (free) |
|---|---|---|
| Input price | $0.25/M tokens | Free |
| Output price | $1.5/M tokens | Free |
| Context window | 1.0M tokens | 2.0M tokens |
| Released | Mar 2026 | Sep 2025 |
Not enough votes to call it. On the specs, Grok 4 Fast (free) has the edge: bigger model tier, bigger context window.
Gemini 3.1 Flash Lite Preview uses 3.9x more bold