LFM2.5

LFM2.5

Liquid AI
Solar Mini

Solar Mini

Upstage AI
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About

Liquid AI’s LFM2.5 is the next generation of on-device AI foundation models designed to deliver high-performance, efficient AI inference on edge devices such as phones, laptops, vehicles, IoT systems, and embedded hardware without relying on cloud compute. It extends the previous LFM2 architecture by significantly increasing the pretraining scale and reinforcement learning stages, yielding a family of hybrid models around 1.2 billion parameters that balance instruction following, reasoning, and multimodal capabilities for real-world agentic use cases. The LFM2.5 family includes Base (for fine-tuning and customization), Instruct (general-purpose instruction-tuned), Japanese-optimized, Vision-Language, and Audio-Language variants, all optimized for fast, on-device inference under tight memory constraints and available as open-weight models deployable via frameworks like llama.cpp, MLX, vLLM, and ONNX.

About

Solar Mini is a pre‑trained large language model that delivers GPT‑3.5‑comparable responses with 2.5× faster inference while staying under 30 billion parameters. It achieved first place on the Hugging Face Open LLM Leaderboard in December 2023 by combining a 32‑layer Llama 2 architecture, initialized with high‑quality Mistral 7B weights, with an innovative “depth up‑scaling” (DUS) approach that deepens the model efficiently without adding complex modules. After DUS, continued pretraining restores and enhances performance, and instruction tuning in a QA format, especially for Korean, refines its ability to follow user prompts, while alignment tuning ensures its outputs meet human or advanced AI preferences. Solar Mini outperforms competitors such as Llama 2, Mistral 7B, Ko‑Alpaca, and KULLM across a variety of benchmarks, proving that compact size need not sacrifice capability.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Supported
iPad Supported
Android Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Developers and organizations building on-device AI applications and intelligent agents that need efficient, high-quality AI models capable of running locally on consumer, edge, or embedded hardware

Audience

Developers and AI teams in need of a solution with robust instruction following and RAG‑enabled document processing for real‑time applications

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Not Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

Free
Free Version Supported
Free Trial Supported

Pricing

$0.1 per 1M tokens
Free Version Not Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Not Supported

Training

Documentation Supported
Webinars Supported
Live Online Supported
In Person Supported

Company Information

Liquid AI
Founded: 2023
United States
www.liquid.ai/blog/introducing-lfm2-5-the-next-generation-of-on-device-ai

Company Information

Upstage AI
Founded: 2020
United States
www.upstage.ai/blog/en/introducing-solar-mini-compact-yet-powerful

Alternatives

LFM3

LFM3

Liquid AI

Alternatives

Llama 2

Llama 2

Meta
Mistral 7B

Mistral 7B

Mistral AI
Qwen2

Qwen2

Alibaba
Mistral NeMo

Mistral NeMo

Mistral AI
Recursive Flint

Recursive Flint

Recursive
Phi-4-reasoning

Phi-4-reasoning

Microsoft

Categories

AI Models Supported

Categories

AI Models Supported

Integrations

Hugging Face Supported
Amazon Bedrock Supported
ElevenLabs Supported
Gemma 3 Supported
Gemma 4 Supported
LEAP Supported
Llama Supported
Llama 2 Not Supported
Llama 3.2 Supported
Mistral 7B Not Supported
Qwen3 Supported
Syn Not Supported
Upstage AI Not Supported

Integrations

Hugging Face Supported
Amazon Bedrock Not Supported
ElevenLabs Not Supported
Gemma 3 Not Supported
Gemma 4 Not Supported
LEAP Not Supported
Llama Not Supported
Llama 2 Supported
Llama 3.2 Not Supported
Mistral 7B Supported
Qwen3 Not Supported
Syn Supported
Upstage AI Supported
Claim LFM2.5 and update features and information
Claim LFM2.5 and update features and information
Claim Solar Mini and update features and information
Claim Solar Mini and update features and information