Developer tools · agent framework
Strands Harness
Open-source agent framework praised for easy setup, pluggable design and not tying you to one model provider. Critics note it lacks durable execution and that its benchmark comparison is misleading.
Summarized from 28 comments.
Open-source agent framework praised for easy setup, pluggable design and not tying you to one model provider. Critics note it lacks durable execution and that its benchmark comparison is misleading.
- recommend
- 15
- criticize
- 13
- months recommended
- 7 of 13
Why people love it
Pluggable, extensible design · 2
It's pretty easy to get started with and has a pretty pluggable ecosystem
Jun 2026 · commentit looked great in terms how everything is an event that you can extend
Sep 2026 · commentWorks with local and non-vendor models · 2
You can actually run a local model with strands using Ollama pretty easily
Jul 2026 · commentit's the most mature (IMO) that isn't specific to a model provider
Jun 2026 · commentEasy to start, ergonomic API · 2
It's pretty easy to get started with and has a pretty pluggable ecosystem
Jun 2026 · commentI’ve found it to be a very fluent and ergonomic API.
Nov 2025 · comment
What people warn about
Benchmark comparison seen as misleading · 2
it feels disingenuous to compare token usage to a pi setup that injects a bunch of stuff into context
Sep 2026 · commentTechnically correct inflating it? Well, that's confidence boosting.
Sep 2026 · commentNarrow provider support, opinionated design · 2
Strands is more opinionated and higher-level, also not vendor neutral.
Jun 2026 · commentSupported provider list is nowhere close to pi's or opencode's
Sep 2026 · commentUnclear value and weak documentation · 2
Strands documentation seems very underwhelming compared to Mastra
Jan 2026 · commentI have no idea what the value prop for Strands Harness is.
Sep 2026 · comment
What hackers pick instead
- Claude Agent SDKDevelopers praise it for building agents on top of Claude Code at a predictable cost. Critics agree the main caveat is Anthropic's shifting rules on using subscriptions with it.36recommend
- LangChainRecommended for easy switching between LLM providers and many integrations; critics find it bloated, overly abstract, and built for older models.32recommend
- MastraOpen-source TypeScript framework for building AI agents, praised for workflow primitives and developer experience. Common caveat: its opinionated patterns can slow you down when your project doesn't fit them.32recommend
- LangGraphRecommended for deterministic, stateful agent workflows with graph-based control, human-in-the-loop and time travel. Critics find it rigid and overly complex for simple tasks.31recommend
- DSPyPeople use it to structure LLM calls as typed programs and optimize prompts. Critics say its value depends on a good automated metric and up-front setup.29recommend
Every quote
The 27 most detailed of 28 comments. Each links to the original.
You can actually run a local model with strands using Ollama pretty easily
Recommends · Jul 2026 · in “Show HN: BillAI Bass, an AI-Powered Big Mouth Billy Bass Using Strands Agents”
It's pretty easy to get started with and has a pretty pluggable ecosystem
Recommends · Jun 2026 · in “Haystack: Open-Source AI Framework for Production Ready Agents, RAG”
it looked great in terms how everything is an event that you can extend
Recommends · Sep 2026 · in “Strands Harness”
it's the most mature (IMO) that isn't specific to a model provider
Mixed · Jun 2026 · in “Apache Burr: Build reliable AI agents and applications”
I’ve found it to be a very fluent and ergonomic API.
Recommends · Nov 2025 · in “Agent design is still hard”
it feels disingenuous to compare token usage to a pi setup that injects a bunch of stuff into context
Criticizes · Sep 2026 · in “Strands Harness”
Strands is more opinionated and higher-level, also not vendor neutral.
Criticizes · Jun 2026 · in “Apache Burr: Build reliable AI agents and applications”
Technically correct inflating it? Well, that's confidence boosting.
Criticizes · Sep 2026 · in “Strands Harness”
Strands documentation seems very underwhelming compared to Mastra
Criticizes · Jan 2026 · in “Show HN: Mastra 1.0, open-source JavaScript agent framework from the Gatsby devs”
Supported provider list is nowhere close to pi's or opencode's
Criticizes · Sep 2026 · in “Strands Harness”
I have no idea what the value prop for Strands Harness is.
Criticizes · Sep 2026 · in “Strands Harness”
they typically don't provide durable execution—if the process crashes, the agent will restart from scratch
Mixed · Mar 2026 · in “Running LangGraph, CrewAI, Google ADK with Durable Workflows”
For Terminal Bench 2.1, Strands harness (Fable 5) scored 69.7 while Claude Code (Fable 5) scored 61.8.
Recommends · Sep 2026 · in “Strands Harness”
This looks good. Even though it's only in Python, I think its worth a try.
Recommends · Nov 2025 · in “Agent design is still hard”
They open-sourced their harness this week so you can always audit it.
Recommends · Sep 2026 · in “Strands Harness”
But the moment you build your own agent, you’re on your own.
Mixed · Sep 2026 · in “Strands Harness”
you don't always need a frontier model for ambiguous tasks
Recommends · Feb 2026 · in “Software 3.1? – AI Functions”
Pretty crazy amazon is advertising an open source repo.
Mixed · Sep 2026 · in “Strands Harness”
I like that you used the Amazon Strands agent framework
Recommends · Nov 2025 · in “Show HN: HN Insights – HN front page summaries”
Maybe strands I dont know.
Mixed · Sep 2026 · in “Stripe's Knowledge AI Platform”
apparently they silently uploaded your entire repo with the entire git history to the cloud
Criticizes · Sep 2026 · in “Strands Harness”
So far it doesn’t feel that way and sometimes they even feel at odds with each other.
Criticizes · Jun 2026 · in “Apache Burr: Build reliable AI agents and applications”
odds are this just doesn't work for long-horizon tasks labs are optimizing for
Criticizes · Sep 2026 · in “Strands Harness”
Deepseek beats Strands and its built on Pi so that's all I needed to know.
Criticizes · Sep 2026 · in “Strands Harness”
projects like this to be noisy and less valuable over time
Criticizes · Sep 2026 · in “Strands Harness”
Including Ollama support is the new token "open option"
Criticizes · Sep 2026 · in “Strands Harness”
Having multiple agents was a crapshoot.
Criticizes · Jan 2026 · in “Gas Town's Agent Patterns, Design Bottlenecks, and Vibecoding at Scale”
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