# Outlines review

> Structured Outputs

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

## Outlines at a glance

- **Category:** [Model SDKs and gateways](https://index.devtoolwatch.com/categories/model-sdks-and-gateways/)
- **Website:** [dottxt-ai.github.io/outlines](https://dottxt-ai.github.io/outlines/)

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

- Board rank: #297 overall, #18 in Model SDKs and gateways, momentum score 32
- Downloads that week: 371k (+12% vs 4-week average)
- New GitHub stars per week (last 12 weeks): Aug 9: 87; Aug 16: 49; Aug 23: 45; Aug 30: 45; Sep 6: 39; Sep 13: 56; Sep 20: 47; Sep 27: 19; Oct 4: 26; Oct 11: 42; Oct 18: 29; Oct 25: 22

## Outlines alternatives

| Rank | Tool | Stars | Downloads/wk |
|---|---|---|---|
| #1 | [thinking-orbs](https://index.devtoolwatch.com/tools/jakubantalik-thinking-orbs/) | 3.9k | 1.4M |
| #2 | [Headroom](https://index.devtoolwatch.com/tools/headroomlabs-ai-headroom/) | 78.5k | 125.8k |
| #3 | [LiteLLM](https://index.devtoolwatch.com/tools/litellm/) | 62.5k | 23.1M |
| #4 | [Honcho](https://index.devtoolwatch.com/tools/plastic-labs-honcho/) | 7.9k | – |
| #5 | [Anthropic SDK](https://index.devtoolwatch.com/tools/anthropic-sdk/) | 4k | 111M |
| #6 | [Hugging Face Hub](https://index.devtoolwatch.com/tools/hf-hub/) | 4k | 68.3M |

## Outlines FAQ

### How popular is Outlines?

Outlines has 16k GitHub stars as of Nov 1, 2026. It gained 22 new stars in the week of Oct 25–31, 2026, against a 12-week average of 42 a week. Its main package had 371k downloads that week, +12% against its own 4-week average. That made it #18 among LLM SDKs and gateways on the Devtoolwatch Board.

### What are the best alternatives to Outlines?

Other LLM SDKs and gateways on the Devtoolwatch Board in the week of Oct 25–31, 2026, by momentum: thinking-orbs (#1), Headroom (#2), LiteLLM (#3), Honcho (#4), Anthropic SDK (#5). The alternatives table above has their numbers.

## Sources

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