---
title: "pdfmux vs annotateai"
type: "comparison"
canonical_url: "https://www.graphcanon.com/compare/nameetp-pdfmux-vs-neuml-annotateai"
tools: ["nameetp-pdfmux", "neuml-annotateai"]
---

# pdfmux vs annotateai

*GraphCanon updated Aug 23, 2026*

## Verdict

Pick pdfmux if pdfmux offers efficient PDF extraction with self-healing, no AI required, at various cost modes; pick annotateai if annotateai uses LLMs to automate the annotation of scientific and medical papers. It's open-source under Apache-2.0, categorized as an LLM Framework and Data & Retrieval tool.

[pdfmux](https://pdfmux.com) reports 79 GitHub stars, 12 forks, and 4 open issues, last pushed Aug 13, 2026. [annotateai](https://github.com/neuml/annotateai) has 423 stars, 43 forks, and 0 open issues, last pushed May 5, 2026. Figures are from public GitHub metadata via [pdfmux's repository](https://github.com/NameetP/pdfmux) and [annotateai's repository](https://github.com/neuml/annotateai).

| | [pdfmux](/tools/nameetp-pdfmux.md) | [annotateai](/tools/neuml-annotateai.md) |
| --- | --- | --- |
| Tagline | PDF extraction with self-healing and cost-aware mechanisms | Automatically annotate papers using LLMs |
| Stars | 79 | 423 |
| Forks | 12 | 43 |
| Open issues | 4 | 0 |
| Language | Python | Python |
| Adopt for | pdfmux offers efficient PDF extraction with self-healing, no AI required, at various cost modes. | annotateai uses LLMs to automate the annotation of scientific and medical papers. It's open-source under Apache-2.0, categorized as an LLM Framework and Data & Retrieval tool. |
| Persona | - | - |
| Runtime | - | - |
| License | MIT | Apache-2.0 |
| Categories | Data & Retrieval, Evaluation & Observability | Data & Retrieval, LLM Frameworks |

## Trust and health

_Sourced signals - not a safety guarantee. No winner column._

| | [pdfmux](/tools/nameetp-pdfmux.md) | [annotateai](/tools/neuml-annotateai.md) |
| --- | --- | --- |
| Maintenance | Very active (96%) | Slowing (36%) |
| Days since push | 1d | 110d |
| Open issues (now) | 4 | 0 |
| Stars delta | +3 (30d) | +1 (30d) |
| Open issues delta | -2 (30d) | 0 (30d) |
| Owner type | User | Organization |
| Full report | [trust report](/tools/nameetp-pdfmux/trust.md) | [trust report](/tools/neuml-annotateai/trust.md) |

## Shared compatibility

- **Python**: [pdfmux](/tools/nameetp-pdfmux.md) - Python runtime; [annotateai](/tools/neuml-annotateai.md) - Python runtime

## Decision facts: pdfmux

- **Adopt for:** pdfmux offers efficient PDF extraction with self-healing, no AI required, at various cost modes.

## Decision facts: annotateai

- **Adopt for:** annotateai uses LLMs to automate the annotation of scientific and medical papers. It's open-source under Apache-2.0, categorized as an LLM Framework and Data & Retrieval tool.

## Choose when

### Choose pdfmux if…

- License: pdfmux is MIT, annotateai is Apache-2.0.
- Tags unique to pdfmux: ocr, pdf-extraction, self-healing, structured-extraction.
- Also covers Evaluation & Observability.
- pdfmux ships Docker support for self-hosted deployment.
- You need high accuracy without LLMs or GPUs.

### Choose annotateai if…

- License: annotateai is Apache-2.0, pdfmux is MIT.
- Tags unique to annotateai: ai, artificial-intelligence, large language models, llm.
- Also covers LLM Frameworks.
- Need automated annotations for large volumes of scientific or medical papers

## When NOT to use pdfmux

- Require real-time GPU-based AI processing for speed.
- Working with non-PDF file formats as sole tool.

## When NOT to use annotateai

- Require detailed, custom annotations that go beyond general LLML capabilities
- Situations where regulatory approval necessitates human review over machine-generated annotations

## Common questions

### What is the difference between pdfmux and annotateai?

pdfmux: PDF extraction with self-healing and cost-aware mechanisms. annotateai: Automatically annotate papers using LLMs. See the comparison table for live GitHub stats and shared categories.

### When should I choose pdfmux over annotateai?

Choose pdfmux over annotateai when License: pdfmux is MIT, annotateai is Apache-2.0; Tags unique to pdfmux: ocr, pdf-extraction, self-healing, structured-extraction; Also covers Evaluation & Observability; pdfmux ships Docker support for self-hosted deployment; You need high accuracy without LLMs or GPUs.

### When should I choose annotateai over pdfmux?

Choose annotateai over pdfmux when License: annotateai is Apache-2.0, pdfmux is MIT; Tags unique to annotateai: ai, artificial-intelligence, large language models, llm; Also covers LLM Frameworks; Need automated annotations for large volumes of scientific or medical papers.

### When should I avoid pdfmux?

Require real-time GPU-based AI processing for speed. Working with non-PDF file formats as sole tool.

### When should I avoid annotateai?

Require detailed, custom annotations that go beyond general LLML capabilities Situations where regulatory approval necessitates human review over machine-generated annotations

### Is pdfmux or annotateai more popular on GitHub?

annotateai has more GitHub stars (423 vs 79). Stars measure visibility, not whether either tool fits your constraints.

### Are pdfmux and annotateai open source?

Yes - both are open-source projects on GitHub (pdfmux: MIT, annotateai: Apache-2.0).

### Where can I find alternatives to pdfmux or annotateai?

GraphCanon lists graph-backed alternatives at [pdfmux alternatives](/tools/nameetp-pdfmux/alternatives) and [annotateai alternatives](/tools/neuml-annotateai/alternatives) ([pdfmux markdown twin](/tools/nameetp-pdfmux/alternatives.md), [annotateai markdown twin](/tools/neuml-annotateai/alternatives.md)), ranked by typed relationship edges rather than popularity votes.

### Is there a machine-readable version of this comparison?

Yes. The markdown twin at [this comparison](/compare/nameetp-pdfmux-vs-neuml-annotateai.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.

### Which is better maintained, pdfmux or annotateai?

pdfmux: Very active. annotateai: Slowing. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance.

### Where are the full trust reports for pdfmux and annotateai?

GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [pdfmux trust report](/tools/nameetp-pdfmux/trust); [annotateai trust report](/tools/neuml-annotateai/trust).

---

**Machine-readable endpoints**

- JSON: [`/api/graphcanon/graph?tool=nameetp-pdfmux`](/api/graphcanon/graph?tool=nameetp-pdfmux)
- LLM index: [/llms.txt](/llms.txt)
- Full corpus: [/llms-full.txt](/llms-full.txt)

_GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_
