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Chat & Rewriting

Conversational interactions, text transformations, and summarization.

Tool Calling

Function invocation, agent workflows, and API orchestration.

Structured Output

JSON generation, form filling, and data extraction from text.

Classification

Intent detection, routing, content labeling, and triage.

LFM2.5 Models   Latest release

LFM2.5 builds on the LFM2 architecture with extended pre-training and reinforcement learning for improved chat, instruction-following, and tool-calling performance.

LFM2.5-1.2B-Instruct

1.2B · RecommendedInstruction-tuned for chat. Best for most use cases.

LFM2.5-1.2B-Thinking

1.2B · ReasoningOptimized for math and logical problem-solving.

LFM2.5-1.2B-Base

1.2B · Pre-trainedBase model for finetuning or custom checkpoints.

LFM2.5-1.2B-JP

1.2B · JapaneseFine-tuned model for high-quality Japanese text generation.

LFM2 Models

LFM2-24B-A2B

24B · 2B active · MoEOur largest model for laptops and single-GPU applications.

LFM2-8B-A1B

8B · 1.5B active · MoEMixture-of-experts model for on-device speed and quality.

LFM2-2.6B

2.6BHighly capable model for deployment on most phones and laptops.

LFM2-2.6B-Exp

2.6BRL-only post-trained checkpoint for improved math and reasoning.

LFM2-1.2B

1.2B · DeprecatedUse the new LFM2.5-1.2B-Instruct checkpoint instead.

LFM2-700M

700MMid sized model for deploying on most devices.

LFM2-350M

350M · FastestOur smallest model for edge devices and low latency deployments.

Examples

Explore practical implementations using text models:

Product Slogan Generator

Generate creative marketing slogans on-device using LFM2-700M with single-turn generation and traditional Android Views.Platform: Android · Uses: LFM2-700M

Web Content Summarizer

Share web pages from browsers to generate private, on-device summaries with web scraping and LFM2-700M processing.Platform: Android · Uses: LFM2-700M

Recipe Generator with Constrained Output

Generate structured JSON recipes using LFM2-700M with constrained generation and the @Generatable annotation.Platform: Android · Uses: LFM2-700M

AI Agents with Koog Framework

Build intelligent agents with tool invocation, MCP integration, and context management using LFM2-1.2B-Tool on Android.Platform: Android · Uses: LFM2-1.2B-Tool

English-Korean Translation CLI

Bidirectional translation with automatic language detection. Fine-tuned LFM2-1.2B outperforms models 3x larger.Platform: Desktop · Uses: LFM2-1.2B (fine-tuned)