Top 10 Open Source LLMs

The most powerful, efficient, and capable open-weight models defining the AI landscape in 2025 and 2026.

#1

Llama 4

Meta AI

The multimodal MoE powerhouse. Llama 4 Scout offers an unprecedented 10M token context, while Maverick delivers GPT-4o class performance. Native image + text understanding sets the new open-source standard.

Multimodal 10M Context MoE Architecture
#2

DeepSeek V3.2

DeepSeek AI

GPT-5 level reasoning at 100x lower cost. DeepSeek V3.2-Speciale achieves gold-medal performance in IMO, IOI, and ICPC 2025. The new Sparse Attention mechanism revolutionizes long-context efficiency.

Reasoning Coding Math Olympics
#3

Mistral Small 3.1

Mistral AI

The efficiency king. 24B parameters that outperform 70B models while running 3x faster. Apache 2.0 licensed, multimodal, and runs on a single RTX 4090 or Mac with 32GB RAM.

Efficient Apache 2.0 Multimodal
#4

Qwen 3

Alibaba Cloud

The multilingual reasoning master. Qwen 3's hybrid "thinking" mode rivals o1-level reasoning, while supporting 119 languages. Context extends to 1M+ tokens for massive document analysis.

119 Languages Thinking Mode 1M+ Context
#5

GPT-OSS

OpenAI

OpenAI's entry into open weights. The 120B parameter MoE model (5.1B active) is optimized for agentic workflows with native tool use, running on a single H100 GPU.

Agentic Apache 2.0 Tool Use
#6

Gemma 3

Google

Google's multimodal open gem. Native image + text understanding with 140+ language support. The 27B model runs on consumer GPUs while rivaling much larger models.

Multimodal 140+ Languages Consumer GPU
#7

Phi-4

Microsoft

Small but mighty. Phi-4 punches way above its weight class, delivering exceptional reasoning and coding capabilities that run efficiently on consumer hardware.

Small Language Model On-Device Coding
#8

Grok-1

xAI

The massive MoE. With 314B parameters, Grok-1 is a beast of a model known for its "spicy" personality and strong general knowledge. A unique option for those with the compute.

314B Parameters MoE Creative
#9

Yi-1.5

01.AI

A strong bilingual contender. Yi-1.5 (34B) offers a great balance of performance and size, excelling in both English and Chinese tasks with improved coding skills.

Bilingual 34B Parameters Balanced
#10

Command R+

Cohere

The RAG specialist. Optimized for retrieval-augmented generation and tool use, Command R+ is the go-to open model for building complex, data-driven enterprise assistants.

RAG Enterprise Tool Use