LFM2.5-1.2B-Thinking (free)

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.

by LiquidAI

Overview

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Score

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Avg Latency

0ms

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Pricing

Free in / Free out

per 1M tokens

Context

33K

tokens

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Benchmark Performance

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Score Over Time

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Quickstart

View on OpenRouter

Get started with this model using OpenRouter

import { OpenRouter } from "@openrouter/sdk";

const openrouter = new OpenRouter({
  apiKey: "<OPENROUTER_API_KEY>"
});

const completion = await openrouter.chat.completions.create({
  model: "liquid/lfm-2.5-1.2b-thinking:free",
  messages: [
    {
      role: "user",
      content: "Hello!"
    }
  ]
});

console.log(completion.choices[0].message.content);

Get your API key at openrouter.ai/keys

Other Models from LiquidAI

Compare performance with other models from the same creator

Model	Latency	Cost/1M	Score
LFM2.5-1.2B-Instruct (free)	—	Free	—
LFM2-24B-A2B	—	$0.07	—
LFM2-8B-A1B	7.1s	$0.02	—
LFM2-2.6B	15.8s	$0.02	—