Products

sieves

AI-native

Hi HN, I built Sieves, an open-source Python library that makes it easy to build structured document AI pipelines without locking yourself into any specific LLM framework. You can mix and match model frameworks (Outlines, LangChain, DSPy, GLiNER2, Transformers) for different tasks while keeping one declarative pipelin…

sieves.ai Source★ 79MITAI Models & Agents / Training Data & Labeling

AI Benchmark
Desktop
Mobile
Monthly visits
<5K
Sep 2026
Public revenue
Undisclosed
No public revenue evidence yet
Entry price
Free
No monthly subscription pricing
Creators
rmitsch
@mantisnlp
Launched
9mo ago
2026-02-18 · Est.

Traffic

Last 12 months
Monthly visitsData through Sep 2026 · Oct 2026 pending
Events1 marketing move

Marketing moves

Launches, search & content, referrals, promotions

  • Launched on Show HN (3 pts)Launch

    Sieves, a unified interface for structured document AI — Hi HN, I built Sieves, an open-source Python library that makes it easy to build structured document AI pipelines without locking yourself…

    Feb 18 · 9mo agoLaunch page

Third-party reviews & case dossiers

Acquisition breakdowns, engineer reviews & open-source metrics
Show HN
2026-02-18Source
Post excerpt:
Hi HN, I built Sieves, an open-source Python library that makes it easy to build structured document AI pipelines without locking yourself into any specific LLM framework. You can mix and match model frameworks (Outlines, LangChain, DSPy, GLiNER2, Transformers) for different tasks while keeping one declarative pipeline definition. E.g. fast local models for

Open Source & Self-Hosting

GitHub · MCP / Skill
MantisAI/sieves
Last commit 2026-05-11
GitHub Stars
★ 79
Forks
5
License
MIT
Primary language
Python
Browse peer open-source projects →

Traffic sources

Sep 2026

Traffic breakdown

Channels

  • Direct40%
  • Organic Search35%
  • Referrals10%
  • Social7%
  • Other8%

Countries

  • Indonesia89%
  • Vietnam11%

Search

Domain authority —Domain registered 2025-01-20

No search keyword data for this website yet.

Traffic data: Vaneform

Pricing

Pricing page not identified yet, or no public pricing listed.

Pages & changes

Tracked since 2026-07-31

Key pages

Weekly snapshots
sieves.ai/ Snapshot 2026-11-04

Changes

No pricing, plan, or positioning changes detected since tracking started.

Questions & evidence

How much website traffic does sieves get?
Vaneform estimates <5K website visits in 2026-09. Visits can include repeat visits; this estimate measures web traffic separately from paying customers or revenue.Source
What is sieves and what platforms does it support?
sieves is catalogued under Training Data & Labeling: Hi HN, I built Sieves, an open-source Python library that makes it easy to build structured document AI pipelines without locking yourself into any specific LLM framework. You can mix and match model frameworks (Outlines, LangChain, DSPy, GLiNER2, Transformers) for different tasks while keeping one declarative pipelin…. Supported platforms: API.
Is sieves open source?
sieves has a public repository (https://github.com/MantisAI/sieves) under the MIT license, recording 79 GitHub stars.Source

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