# Agent Lightning review

> The absolute trainer to light up AI agents.

Devtoolwatch Board, the week of Oct 25–31, 2026. Canonical page: https://index.devtoolwatch.com/tools/agent-lightning/

## Agent Lightning at a glance

- **Category:** [Agent frameworks](https://index.devtoolwatch.com/categories/agent-frameworks/)
- **Website:** [microsoft.github.io/agent-lightning](https://microsoft.github.io/agent-lightning/)

## Usage data (the week of Oct 25–31, 2026)

- Board rank: #345 overall, #38 in Agent frameworks, momentum score 22
- Downloads that week: 3.4k (−19% vs 4-week average)
- New GitHub stars per week (last 12 weeks): Aug 9: 34; Aug 16: 132; Aug 23: 314; Aug 30: 94; Sep 6: 77; Sep 13: 322; Sep 20: 113; Sep 27: 76; Oct 4: 105; Oct 11: 96; Oct 18: 79; Oct 25: 63

## Agent Lightning alternatives

| Rank | Tool | Stars | Downloads/wk |
|---|---|---|---|
| #1 | [Harness²](https://index.devtoolwatch.com/tools/google-research-harness2/) | 21.7k | – |
| #2 | [HyperFrames](https://index.devtoolwatch.com/tools/heygen-com-hyperframes/) | 76.6k | 1.5M |
| #3 | [AgentScope](https://index.devtoolwatch.com/tools/agentscope-ai-agentscope/) | 35k | 51.4k |
| #4 | [AG-UI](https://index.devtoolwatch.com/tools/ag-ui/) | 16.9k | 4.6M |
| #5 | [LangGraph](https://index.devtoolwatch.com/tools/langgraph/) | 44.2k | 18.5M |
| #6 | [Bifrost](https://index.devtoolwatch.com/tools/maximhq-bifrost/) | 9.3k | – |

## Agent Lightning FAQ

### How popular is Agent Lightning?

Agent Lightning has 18.9k GitHub stars as of Nov 1, 2026. It gained 63 new stars in the week of Oct 25–31, 2026, against a 12-week average of 125 a week. Its main package had 3.4k downloads that week, −19% against its own 4-week average. That made it #38 among AI agent frameworks on the Devtoolwatch Board.

### What are the best alternatives to Agent Lightning?

Other AI agent frameworks on the Devtoolwatch Board in the week of Oct 25–31, 2026, by momentum: Harness² (#1), HyperFrames (#2), AgentScope (#3), AG-UI (#4), LangGraph (#5). The alternatives table above has their numbers.

## Sources

1. [Devtoolwatch Board, the week of Oct 25–31, 2026](https://index.devtoolwatch.com/)