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
LFM2-8B-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)