LiquidAI: LFM2.5-1.2B-Thinking (free)

LiquidAI: LFM2.5-1.2B-Thinking (free)

liquid · Released Jan 20, 2026
21
Our Score

LFM2.5-1.2B-Thinking is a lightweight reasoning-focused model optimized for agentic tasks, data extraction, and RAG—while still running comfortably on edge devices. It supports long context (up to 32K tokens) and is designed to provide higher-quality “thinking” responses in a small 1.2B model.

32,768 tokens Context Window
2B Parameters

Architecture

ModalityText → Text
TokenizerOther
Parameters2B

Performance Indices

Source: Artificial Analysis

8.1 Intelligence Index
1.4 Coding Index
19.6 Agentic Index

Benchmark Scores

Evaluations

GPQA Diamond 33.9%
Graduate-level scientific reasoning
HLE 6.1%
Humanity's Last Exam
SciCode 4.2%
Scientific computing
IFBench 41.8%
Instruction following
τ²-Bench 19.6%
Conversational agent benchmark

Benchmark data from Artificial Analysis and Hugging Face

Model Information

OpenRouter ID liquid/lfm-2.5-1.2b-thinking:free
Providerliquid
Release Date January 20, 2026
Context Length32,768 tokens
Status Active

Live Performance

Live endpoint metrics — refreshed every 30 minutes.

36.8%
Avg Uptime
428ms
Best Latency (TTFT)
312 tok/s
Best Throughput
1/1
Active Endpoints
Available via: Liquid