LFM2.5-2.6B is cheaper than GPT-5.1 Chat at $0/M vs $1.25/M input tokens.
| Spec | GPT-5.1 Chat | LFM2.5-2.6B |
|---|---|---|
| Input price | $1.25/M tokens | Free |
| Output price | $10/M tokens | Free |
| Context window | 128K tokens | 128K tokens |
| Released | Nov 2025 | Aug 2026 |
Not enough votes to call it. On the specs, GPT-5.1 Chat has the edge: bigger model tier, major provider backing.
LFM2.5-2.6B uses 52.6x more headings
LFM2.5-2.6B is cheaper than GPT-5.1 Chat at $0/M vs $1.25/M input tokens.
| Spec | GPT-5.1 Chat | LFM2.5-2.6B |
|---|---|---|
| Input price | $1.25/M tokens | Free |
| Output price | $10/M tokens | Free |
| Context window | 128K tokens | 128K tokens |
| Released | Nov 2025 | Aug 2026 |
Not enough votes to call it. On the specs, GPT-5.1 Chat has the edge: bigger model tier, major provider backing.
LFM2.5-2.6B uses 52.6x more headings