fast-agent
★ 3.8k
vs
vmlx
★ 551
fast-agent vs vmlx
fast-agent: fast-agent is a CLI-first framework for building and interacting with sophisticated multimodal AI agents and workflows. It offers comprehensive support for various LLM providers, structured outputs, and vision, with unique features like MCP Feature support and live streaming responses to the terminal.; vmlx: vMLX is a local AI inference engine for Apple Silicon Macs that runs LLMs, VLMs, and image generation models. It provides OpenAI and Anthropic compatible APIs with advanced features like continuous batching, prefix caching, KV cache quantization, speculative decoding, and tool calling. No cloud or API keys required, ensuring data privacy.
01
TL;DR
Choose fast-agent if…Rapid development and testing of sophisticated multimodal AI agents and workflows.
Choose vmlx if…Run local AI assistants with chatbot and agentic coding capabilities
02
Side-by-Side Comparison
03
Features
fast-agent01Sophisticated multimodal Agent and Workflow creation.
02Comprehensive LLM provider support (e.g., Anthropic, OpenAI, Google, Ollama).
03Structured outputs, PDF, and Vision support.
04CLI-first with interactive terminal UI (TUI-style) and live streaming responses.
05Advanced agentic workflows like Chain, Parallel, MAKER, and Agents As Tools.
vmlx01Continuous Batching for efficient concurrent request handling
02Prefix Cache with memory-aware and paged KV cache
03KV Cache Quantization to q4/q8 for memory savings
04Speculative Decoding for 20-90% speedup
05Tool Calling with auto-detected parsers for major model families
04
Use Cases
fast-agent↳Rapid development and testing of sophisticated multimodal AI agents and workflows.
↳Diagnosing and tuning agent applications, including those requiring human input.
↳Implementing advanced agentic patterns for error reduction or complex task decomposition.
vmlx↳Run local AI assistants with chatbot and agentic coding capabilities
↳Generate and edit images locally using Flux models
↳Deploy a fully local API server compatible with OpenAI and Anthropic SDKs
05
Best For
fast-agentTrendingMulti-AgentDev Tooling
vmlxLLM InfraDev Tooling
FAQ
FAQ
What is the difference between fast-agent and vmlx?
Both fast-agent and vmlx are in the Dev Tooling category. fast-agent has 3.8k stars, while vmlx has 551 stars.
Which is better, fast-agent or vmlx?
The best choice depends on your use case. Choose fast-agent if Rapid development and testing of sophisticated multimodal AI agents and workflows., and vmlx if Run local AI assistants with chatbot and agentic coding capabilities.
Is fast-agent free or open source?
Yes, fast-agent is open source on GitHub (Apache-2.0).
Is vmlx free or open source?
Yes, vmlx is open source on GitHub (Apache-2.0).
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