--- title: "aeneas vs annyang" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/readbeyond-aeneas-vs-talater-annyang" tools: ["readbeyond-aeneas", "talater-annyang"] --- # aeneas vs annyang *GraphCanon updated Jul 30, 2026* ## Verdict Pick aeneas if aeneas is a Python library and CLI toolset for audio-text synchronization specifically designed to address forced alignment needs; pick annyang if annyang enables speech-to-text capabilities for web sites with its TypeScript-based JavaScript library. [aeneas](http://www.readbeyond.it/aeneas/) reports 2.9k GitHub stars, 274 forks, and 37 open issues, last pushed Jul 25, 2026. [annyang](https://www.talater.com/annyang/) has 6.8k stars, 1.0k forks, and 10 open issues, last pushed Jul 14, 2026. Figures are from public GitHub metadata via [aeneas's repository](https://github.com/readbeyond/aeneas) and [annyang's repository](https://github.com/TalAter/annyang). | | [aeneas](/tools/readbeyond-aeneas.md) | [annyang](/tools/talater-annyang.md) | | --- | --- | --- | | Tagline | Python library and tools for audio-text synchronization | Speech recognition for your site | | Stars | 2,855 | 6,818 | | Forks | 274 | 1,048 | | Open issues | 37 | 10 | | Language | Python | TypeScript | | Adopt for | Aeneas is a Python library and CLI toolset for audio-text synchronization specifically designed to address forced alignment needs. | annyang enables speech-to-text capabilities for web sites with its TypeScript-based JavaScript library. | | Persona | - | - | | Runtime | - | - | | License | AGPL-3.0 | MIT License: Permissive free software license notice that gives users the freedom to modify and redistribute as long as they provide source credit. | | Categories | Speech & Audio | Speech & Audio | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [aeneas](/tools/readbeyond-aeneas.md) | [annyang](/tools/talater-annyang.md) | | --- | --- | --- | | Maintenance | Very active (96%) | Active (82%) | | Days since push | 4d | 15d | | Open issues (now) | 37 | 10 | | Full report | [trust report](/tools/readbeyond-aeneas/trust.md) | [trust report](/tools/talater-annyang/trust.md) | ## Decision facts: aeneas - **Requirements:** Min 4 GB RAM; Python 2.7 or later; FFmpeg; eSpeak; Numpy, BeautifulSoup4, lxml as Python packages - **Adopt for:** Aeneas is a Python library and CLI toolset for audio-text synchronization specifically designed to address forced alignment needs. ## Decision facts: annyang - **Pricing:** freemium - Available at no charge with an open-source MIT license, making it suitable for both personal and commercial projects. - **Adopt for:** annyang enables speech-to-text capabilities for web sites with its TypeScript-based JavaScript library. - **License detail:** MIT License: Permissive free software license notice that gives users the freedom to modify and redistribute as long as they provide source credit. ## Choose when ### Choose aeneas if… - aeneas is primarily Python; annyang is TypeScript. - License: aeneas is AGPL-3.0, annyang is MIT. - Requirements: Min 4 GB RAM; Python 2.7 or later; FFmpeg; eSpeak; Numpy, BeautifulSoup4, lxml as Python packages. - Tags unique to aeneas: alignment, audio, cli, dtw. - When you need precise alignment of text with spoken words in audio files, as Aeneas excels at forced alignment tasks ### Choose annyang if… - annyang is primarily TypeScript; aeneas is Python. - License: annyang is MIT, aeneas is AGPL-3.0. - Pricing: Available at no charge with an open-source MIT license, making it suitable for both personal and commercial projects.. - Tags unique to annyang: mit-license, speech-recognition, speech-to-text, voice. - When you are working on a project that requires integrating voice commands into a website and your tech stack already includes TypeScript or JavaScript. ## When NOT to use aeneas - Avoid if your system cannot meet the minimum requirements for Python versions below 3.5 or lacks essential dependencies such as FFmpeg or eSpeak - Do not use when a more lightweight solution suffices, as Aeneas includes comprehensive but resource-intensive C/C++ extensions ## When NOT to use annyang - If the project requires a high level of speech recognition accuracy in noisy environments, as annyang might not perform optimally under such conditions. - For applications demanding real-time transcription with low latency, considering that annang may introduce some delay which could be critical for certain use cases. ## Common questions ### What is the difference between aeneas and annyang? aeneas: Python library and tools for audio-text synchronization. annyang: Speech recognition for your site. See the comparison table for live GitHub stats and shared categories. ### When should I choose aeneas over annyang? Choose aeneas over annyang when aeneas is primarily Python; annyang is TypeScript; License: aeneas is AGPL-3.0, annyang is MIT; Requirements: Min 4 GB RAM; Python 2.7 or later; FFmpeg; eSpeak; Numpy, BeautifulSoup4, lxml as Python packages; Tags unique to aeneas: alignment, audio, cli, dtw; When you need precise alignment of text with spoken words in audio files, as Aeneas excels at forced alignment tasks. ### When should I choose annyang over aeneas? Choose annyang over aeneas when annyang is primarily TypeScript; aeneas is Python; License: annyang is MIT, aeneas is AGPL-3.0; Pricing: Available at no charge with an open-source MIT license, making it suitable for both personal and commercial projects.; Tags unique to annyang: mit-license, speech-recognition, speech-to-text, voice; When you are working on a project that requires integrating voice commands into a website and your tech stack already includes TypeScript or JavaScript. ### When should I avoid aeneas? Avoid if your system cannot meet the minimum requirements for Python versions below 3.5 or lacks essential dependencies such as FFmpeg or eSpeak Do not use when a more lightweight solution suffices, as Aeneas includes comprehensive but resource-intensive C/C++ extensions ### When should I avoid annyang? If the project requires a high level of speech recognition accuracy in noisy environments, as annyang might not perform optimally under such conditions. For applications demanding real-time transcription with low latency, considering that annang may introduce some delay which could be critical for certain use cases. ### Is aeneas or annyang more popular on GitHub? annyang has more GitHub stars (6,818 vs 2,855). Stars measure visibility, not whether either tool fits your constraints. ### Are aeneas and annyang open source? Yes - both are open-source projects on GitHub (aeneas: AGPL-3.0, annyang: MIT). ### Where can I find alternatives to aeneas or annyang? GraphCanon lists graph-backed alternatives at [aeneas alternatives](/tools/readbeyond-aeneas/alternatives) and [annyang alternatives](/tools/talater-annyang/alternatives) ([aeneas markdown twin](/tools/readbeyond-aeneas/alternatives.md), [annyang markdown twin](/tools/talater-annyang/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/readbeyond-aeneas-vs-talater-annyang.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, aeneas or annyang? aeneas: Very active. annyang: Active. 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 aeneas and annyang? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [aeneas trust report](/tools/readbeyond-aeneas/trust); [annyang trust report](/tools/talater-annyang/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=readbeyond-aeneas`](/api/graphcanon/graph?tool=readbeyond-aeneas) - 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/_