LFM2.5-2.6B is cheaper than GPT-5.5 at $0/M vs $5/M input tokens.
| Spec | GPT-5.5 | LFM2.5-2.6B |
|---|---|---|
| Input price | $5/M tokens | Free |
| Output price | $30/M tokens | Free |
| Context window | 1.1M tokens | 128K tokens |
| Released | Apr 2026 | Aug 2026 |
Not enough votes to call it. On the specs, GPT-5.5 has the edge: bigger model tier, bigger context window, major provider backing.
LFM2.5-2.6B uses 6.7x more transitions
LFM2.5-2.6B is cheaper than GPT-5.5 at $0/M vs $5/M input tokens.
| Spec | GPT-5.5 | LFM2.5-2.6B |
|---|---|---|
| Input price | $5/M tokens | Free |
| Output price | $30/M tokens | Free |
| Context window | 1.1M tokens | 128K tokens |
| Released | Apr 2026 | Aug 2026 |
Not enough votes to call it. On the specs, GPT-5.5 has the edge: bigger model tier, bigger context window, major provider backing.
LFM2.5-2.6B uses 6.7x more transitions