--- title: "open-speech-corpora vs lingvo" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/coqui-ai-open-speech-corpora-vs-tensorflow-lingvo" tools: ["coqui-ai-open-speech-corpora", "tensorflow-lingvo"] --- # open-speech-corpora vs lingvo *GraphCanon updated Jul 30, 2026* ## Verdict Pick open-speech-corpora when license: open-speech-corpora is MIT, lingvo is Apache-2.0; pick lingvo when license: lingvo is Apache-2.0, open-speech-corpora is MIT. [open-speech-corpora](https://github.com/coqui-ai/open-speech-corpora) reports 1.4k GitHub stars, 151 forks, and 169 open issues, last pushed Jun 6, 2024. [lingvo](https://github.com/tensorflow/lingvo) has 2.9k stars, 452 forks, and 156 open issues, last pushed Jun 22, 2026. Figures are from public GitHub metadata via [open-speech-corpora's repository](https://github.com/coqui-ai/open-speech-corpora) and [lingvo's repository](https://github.com/tensorflow/lingvo). | | [open-speech-corpora](/tools/coqui-ai-open-speech-corpora.md) | [lingvo](/tools/tensorflow-lingvo.md) | | --- | --- | --- | | Tagline | A list of accessible speech corpora for ASR, TTS, and other Speech Technologies | Lingvo is a modular and production-ready research platform built on TensorFlow for building sequence-to-sequence models. | | Stars | 1,398 | 2,861 | | Forks | 151 | 452 | | Open issues | 169 | 156 | | Language | - | Python | | Adopt for | Open-Speech-Corpora indexes diverse speech datasets critical for ASR and TTS projects in various languages. | - | | Persona | - | - | | Runtime | - | - | | License | MIT | Apache-2.0 | | Categories | Speech & Audio | Model Training, Speech & Audio | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [open-speech-corpora](/tools/coqui-ai-open-speech-corpora.md) | [lingvo](/tools/tensorflow-lingvo.md) | | --- | --- | --- | | Maintenance | Dormant (18%) | Steady (60%) | | Days since push | 783d | 37d | | Open issues (now) | 169 | 156 | | Full report | [trust report](/tools/coqui-ai-open-speech-corpora/trust.md) | [trust report](/tools/tensorflow-lingvo/trust.md) | ## Decision facts: open-speech-corpora - **Adopt for:** Open-Speech-Corpora indexes diverse speech datasets critical for ASR and TTS projects in various languages. ## Choose when ### Choose open-speech-corpora if… - License: open-speech-corpora is MIT, lingvo is Apache-2.0. - Tags unique to open-speech-corpora: speech-emotion-recognition, speech-processing, speech-recognition, speech-separation. - You are working on projects requiring specific language corpora like Amharic, Hausa, or Wolof. ### Choose lingvo if… - License: lingvo is Apache-2.0, open-speech-corpora is MIT. - Tags unique to lingvo: asr, machine-translation, nlp, research. - Also covers Model Training. - When needing flexibility to modify framework code or develop new custom ops. ## When NOT to use open-speech-corpora - You exclusively need data for voice cloning with a high number of speakers. - If your focus is on specialized voice emotion recognition datasets not covered in the repository. ## When NOT to use lingvo - If simplicity of installation is prioritized over modifiable framework code. - For projects that do not require TensorFlow-based advanced model customization. ## Common questions ### What is the difference between open-speech-corpora and lingvo? open-speech-corpora: A list of accessible speech corpora for ASR, TTS, and other Speech Technologies. lingvo: Lingvo is a modular and production-ready research platform built on TensorFlow for building sequence-to-sequence models.. See the comparison table for live GitHub stats and shared categories. ### When should I choose open-speech-corpora over lingvo? Choose open-speech-corpora over lingvo when License: open-speech-corpora is MIT, lingvo is Apache-2.0; Tags unique to open-speech-corpora: speech-emotion-recognition, speech-processing, speech-recognition, speech-separation; You are working on projects requiring specific language corpora like Amharic, Hausa, or Wolof. ### When should I choose lingvo over open-speech-corpora? Choose lingvo over open-speech-corpora when License: lingvo is Apache-2.0, open-speech-corpora is MIT; Tags unique to lingvo: asr, machine-translation, nlp, research; Also covers Model Training; When needing flexibility to modify framework code or develop new custom ops. ### When should I avoid open-speech-corpora? You exclusively need data for voice cloning with a high number of speakers. If your focus is on specialized voice emotion recognition datasets not covered in the repository. ### When should I avoid lingvo? If simplicity of installation is prioritized over modifiable framework code. For projects that do not require TensorFlow-based advanced model customization. ### Is open-speech-corpora or lingvo more popular on GitHub? lingvo has more GitHub stars (2,861 vs 1,398). Stars measure visibility, not whether either tool fits your constraints. ### Are open-speech-corpora and lingvo open source? Yes - both are open-source projects on GitHub (open-speech-corpora: MIT, lingvo: Apache-2.0). ### Where can I find alternatives to open-speech-corpora or lingvo? GraphCanon lists graph-backed alternatives at [open-speech-corpora alternatives](/tools/coqui-ai-open-speech-corpora/alternatives) and [lingvo alternatives](/tools/tensorflow-lingvo/alternatives) ([open-speech-corpora markdown twin](/tools/coqui-ai-open-speech-corpora/alternatives.md), [lingvo markdown twin](/tools/tensorflow-lingvo/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/coqui-ai-open-speech-corpora-vs-tensorflow-lingvo.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, open-speech-corpora or lingvo? open-speech-corpora: Dormant. lingvo: Steady. 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 open-speech-corpora and lingvo? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [open-speech-corpora trust report](/tools/coqui-ai-open-speech-corpora/trust); [lingvo trust report](/tools/tensorflow-lingvo/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=coqui-ai-open-speech-corpora`](/api/graphcanon/graph?tool=coqui-ai-open-speech-corpora) - 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/_