Grok 4 Fast (free) is cheaper than Claude 3 Sonnet at $0/M vs $3/M input tokens.
| Spec | Claude 3 Sonnet | Grok 4 Fast (free) |
|---|---|---|
| Input price | $3/M tokens | Free |
| Output price | $15/M tokens | Free |
| Context window | — | 2.0M tokens |
| Released | Mar 2024 | Sep 2025 |
Not enough votes to call it. On the specs, nothing separates them.
Grok 4 Fast (free) uses 138.0x more bold
Grok 4 Fast (free) is cheaper than Claude 3 Sonnet at $0/M vs $3/M input tokens.
| Spec | Claude 3 Sonnet | Grok 4 Fast (free) |
|---|---|---|
| Input price | $3/M tokens | Free |
| Output price | $15/M tokens | Free |
| Context window | — | 2.0M tokens |
| Released | Mar 2024 | Sep 2025 |
Not enough votes to call it. On the specs, nothing separates them.
Grok 4 Fast (free) uses 138.0x more bold