GPT-5.1 vs LFM2-24B-A2B
OpenAI vs Liquid AI — benchmarks, pricing, and capabilities side by side.
- •GPT-5.1 has the higher intelligence index (89 vs 47.4)
- •LFM2-24B-A2B is cheaper ($0.03 vs $1.25 per 1M input)
- •LFM2-24B-A2B is faster
- •GPT-5.1 has a larger context window (400K)
| GPT-5.1 | LFM2-24B-A2B | |
|---|---|---|
| Intelligence index | 89 | 47.4 |
| Developer | OpenAI | Liquid AI |
| Type | LLM | LLM |
| Access | API only | Open weights |
| Context window | 400,000 tokens | 128,000 tokens |
| Input price | $1.25 / 1M | $0.03 / 1M |
| Output price | $10.00 / 1M | $0.12 / 1M |
| Speed | 115 tok/s | 208 tok/s |
| Released | November 12, 2025 | February 25, 2026 |
| Parameters | — | — |
| Input modalities | Text, Image | Text |
| Output modalities | Text | Text |
Shared benchmarks
GPT-5.1
LFM2-24B-A2B
GPQA Diamond
88.1
47.4
Humanity’s Last Exam
26.5
4.4