Ollama vs vLLM

Side-by-side comparison of two AI agent tools

Short answer

  • Pick Ollama for: get up and running with Kimi-K2.5, GLM-5, MiniMax, DeepSeek, gpt-oss, Qwen, Gemma and other models. Pick vLLM for: a high-throughput and memory-efficient inference and serving engine for LLMs.

From GitHub data refreshed daily.

Ollamaopen-source

Get up and running with Kimi-K2.5, GLM-5, MiniMax, DeepSeek, gpt-oss, Qwen, Gemma and other models.

vLLMopen-source

A high-throughput and memory-efficient inference and serving engine for LLMs

Metrics

OllamavLLM
Stars182.1k93.1k
Star velocity /mo2.5k2.9k
Commits (90d)2974.0k
Releases (6m)1010
Overall score0.85652674017463190.9292412178941084

Pros

  • +完全本地运行,确保数据隐私和安全,无需将敏感信息发送到外部服务器
  • +支持广泛的开源模型生态,包括最新的 Kimi-K2.5、GLM-5、DeepSeek 等前沿模型
  • +丰富的集成生态系统,可与 Claude Code、OpenClaw 等工具连接,快速构建跨平台 AI 应用
  • +Exceptional serving throughput with PagedAttention memory optimization and continuous batching for production-scale LLM deployment
  • +Comprehensive hardware support across NVIDIA, AMD, Intel platforms and specialized accelerators with flexible parallelism options
  • +Seamless Hugging Face integration with OpenAI-compatible API server for easy model deployment and switching

Cons

  • -依赖本地计算资源,运行大型模型需要较高的 CPU/GPU 和内存配置
  • -模型推理速度受限于本地硬件性能,可能不如云端专用硬件快
  • -需要手动管理模型版本更新和依赖关系
  • -Requires significant GPU memory for optimal performance, limiting accessibility for resource-constrained environments
  • -Complex setup and configuration for distributed inference across multiple GPUs or nodes
  • -Primary focus on inference means limited support for training or fine-tuning workflows

Use Cases

  • •企业级私有部署,在内网环境中运行大语言模型,确保敏感数据不外泄
  • •开发者工具集成,通过 Claude Code 等编码助手在本地环境中获得 AI 代码建议
  • •多平台聊天机器人开发,使用 OpenClaw 将本地模型部署到 Slack、Discord 等通讯平台
  • •Production API serving for applications requiring high-throughput LLM inference with multiple concurrent users
  • •Research and experimentation with open-source LLMs requiring efficient model switching and testing
  • •Enterprise deployment of private LLM services with OpenAI-compatible interfaces for existing applications

FAQ

Which is more popular, Ollama or vLLM?
Ollama has more GitHub stars (182,051 vs 93,060).
Which is more actively developed, Ollama or vLLM?
vLLM had more commits in the last 90 days (3,992 vs 297).
Should I use Ollama or vLLM?
Compare their capabilities, limitations and "best for" notes above. Both are open source, so trying each on a small task is the fastest way to decide.