Model Comparison
Lfm2.5 24b A2b vs Opus 5.5
Lfm2.5 24b A2b does not yet have a derived IQ, while Opus 5.5 ranks #2 on the AI IQ leaderboard with an estimated IQ of 141. The table below puts the two models side by side across the seven capability dimensions, emotional reasoning, cost, speed, and context window.
Where They Sit on the IQ Bell Curve
Both models highlighted on the standard normal IQ distribution of every tracked model
| Lfm2.5 24b A2bUS (Other) | Opus 5.5Anthropic | |
|---|---|---|
| Rank | — | #2 |
| IQ | — | 141 |
| Abstract Reasoning | 102 | 132 |
| Mathematical Reasoning | — | 149 |
| Academic Reasoning | 100 | 139 |
| Programmatic Reasoning | — | 155 |
| Computer Use | — | 147 |
| Reliability | — | 133 |
| Knowledge Work | — | 134 |
| Emotional Reasoning | — | — |
| Effective Cost / 1M Tokens | — | $35.67 |
| Sticker Price / 1M I/O Tokens | — | $24.00 |
| Speed | — | 97 tok/s |
| Context Window | 131K | 1M |
| Released | 2026-10-13 | 2026-09-22 |
| Open Weights | Yes | No |
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