
Ollama Models: The Complete Guide (2025 Edition)
Local large language models (LLMs) are evolving rapidly, and Ollama has become one of the most powerful platforms for running AI models locally. Whether you are a developer, researcher, or AI enthusiast, Ollama allows you to run state-of-the-art models directly on your own hardware — without relying on cloud APIs.
This article provides a complete and detailed overview of all Ollama-supported models in 2025, including general LLMs, reasoning models, coding models, vision models, embeddings, and lightweight edge models.
Reference & inspiration:
PracticalWebTools – Ollama Models Complete Guide 2025
Official Ollama Model Library
What Is Ollama?
Ollama is a local AI runtime that simplifies downloading, running, and managing large language models on macOS, Linux, and Windows.
- Runs fully offline
- CPU and GPU support
- Simple CLI and REST API
- Model versioning
- Privacy-first AI execution
Ollama Model Categories
- General-purpose language models
- Reasoning and math-focused models
- Code-specialized models
- Vision and multimodal models
- Embedding models
- Lightweight and edge-optimized models
General-Purpose Language Models
LLaMA 2
Developer: Meta
Parameters: 7B, 13B, 70B
Context Length: 4K tokens
LLaMA 2 is one of the most popular open-source language models and offers strong performance for general reasoning, conversation, and content generation.
Best for:
- Chatbots
- Content creation
- General reasoning tasks
Ollama: LLaMA 2
Meta AI – LLaMA
LLaMA 3
Developer: Meta
Parameters: 8B, 70B
Context Length: Up to 8K tokens
LLaMA 3 delivers major improvements in reasoning, instruction following, and output quality, making it one of the best all-around models available in Ollama.
Best for:
- Production chat systems
- Long-form content generation
- High-quality reasoning
Mistral
Developer: Mistral AI
Parameters: 7B
Context Length: 8K tokens
Mistral is designed for speed and efficiency while maintaining excellent reasoning capabilities, making it ideal for local and low-latency use cases.
Best for:
- Fast inference
- Lower-memory systems
- Real-time applications
Mixtral
Developer: Mistral AI
Architecture: Mixture of Experts (MoE)
Parameters: 8x7B, 8x22B
Context Length: 32K tokens
Mixtral dynamically activates expert subnetworks, providing powerful reasoning while reducing compute costs.
Best for:
- Advanced reasoning
- Long-context conversations
- Enterprise-grade workloads
Reasoning and Math-Focused Models
DeepSeek-R1
Developer: DeepSeek
Parameters: 7B, 32B, 70B
DeepSeek-R1 specializes in logical reasoning, mathematical problem solving, and structured analytical tasks.
Best for:
- Math reasoning
- Logical analysis
- Scientific workflows
Qwen
Developer: Alibaba
Parameters: 7B, 14B, 72B
Context Length: Up to 32K tokens
Qwen models offer strong multilingual support and excellent reasoning for technical and academic domains.
Best for:
- Multilingual applications
- Research tasks
- Structured output generation
Code-Specialized Models
Code LLaMA
Developer: Meta
Parameters: 7B, 13B, 34B
Code LLaMA is optimized for programming-related tasks including generation, refactoring, and debugging.
Best for:
- Code generation
- Debugging
- Refactoring
DeepSeek-Coder
Developer: DeepSeek
Parameters: 6.7B, 33B
Context Length: Up to 16K tokens
DeepSeek-Coder is designed for long-context code understanding and accuracy.
WizardCoder
Developer: WizardLM
Parameters: 15B, 34B
WizardCoder excels at structured explanations and instruction-based coding tasks.
Vision and Multimodal Models
LLaVA
Parameters: 7B, 13B
LLaVA combines image understanding with language generation.
BakLLaVA
A lightweight multimodal model optimized for efficiency.
Embedding Models
Nomic-Embed-Text
Developer: Nomic AI
Designed for semantic search, vector databases, and RAG pipelines.
mxbai-embed-large
Developer: Mixedbread AI
Lightweight and Edge Models
Phi-2
Developer: Microsoft
Parameters: 2.7B
TinyLLaMA
Parameters: 1.1B
Hardware Requirements Overview
| Model Size | Recommended Hardware |
|---|---|
| ≤ 7B | CPU or 8GB RAM |
| 13B | 16GB RAM or GPU recommended |
| 33B | 24GB+ VRAM |
| 70B+ | High-end GPU (A100 / H100 class) |
Final Thoughts
Ollama’s ecosystem in 2025 offers unmatched flexibility for running AI locally. From lightweight edge models to massive reasoning-focused LLMs, Ollama makes private, offline AI accessible to everyone.
If you are serious about local AI, Ollama is no longer optional — it is essential.