Grok 4 Fast (free) has a larger context window than LFM2.5-2.6B (2.0M tokens vs 128K tokens).
| Spec | Grok 4 Fast (free) | LFM2.5-2.6B |
|---|---|---|
| Input price | Free | Free |
| Output price | Free | Free |
| Context window | 2.0M tokens | 128K tokens |
| Released | Sep 2025 | Aug 2026 |
Not enough votes to call it. On the specs, Grok 4 Fast (free) has the edge: bigger model tier, bigger context window, major provider backing.
LFM2.5-2.6B uses 3.0x more bold
Grok 4 Fast (free) has a larger context window than LFM2.5-2.6B (2.0M tokens vs 128K tokens).
| Spec | Grok 4 Fast (free) | LFM2.5-2.6B |
|---|---|---|
| Input price | Free | Free |
| Output price | Free | Free |
| Context window | 2.0M tokens | 128K tokens |
| Released | Sep 2025 | Aug 2026 |
Not enough votes to call it. On the specs, Grok 4 Fast (free) has the edge: bigger model tier, bigger context window, major provider backing.
LFM2.5-2.6B uses 3.0x more bold