LFM2.5-2.6B is the newer model, released after GPT-5.1 Codex Max.
| Spec | GPT-5.1 Codex Max | LFM2.5-2.6B |
|---|---|---|
| Input price | — | Free |
| Output price | — | Free |
| Context window | — | 128K tokens |
| Released | Dec 2025 | Aug 2026 |
Not enough votes to call it. On the specs, GPT-5.1 Codex Max has the edge: bigger model tier, major provider backing.
LFM2.5-2.6B uses 8.8x more transitions
LFM2.5-2.6B is the newer model, released after GPT-5.1 Codex Max.
| Spec | GPT-5.1 Codex Max | LFM2.5-2.6B |
|---|---|---|
| Input price | — | Free |
| Output price | — | Free |
| Context window | — | 128K tokens |
| Released | Dec 2025 | Aug 2026 |
Not enough votes to call it. On the specs, GPT-5.1 Codex Max has the edge: bigger model tier, major provider backing.
LFM2.5-2.6B uses 8.8x more transitions