Comparison
fastrtc vs obs-localvocal
Verdict
Pick fastrtc if fastrtc is a Python library offering real-time communication capabilities such as pause detection and text-to-speech; pick obs-localvocal if obs-localvocal is an OBS plugin enabling real-time speech-to-text transcription and translation using AI models that run locally.
Markdown twin · fastrtc alternatives · obs-localvocal alternatives
GraphCanon updated 3w
vs
Trust & integrity
| Signal | fastrtc | obs-localvocal |
|---|---|---|
| Maintenance | Slowing (197d since push) As of 3w · github_public_v1 | Steady (71d since push) As of 3w · github_public_v1 |
| Provenance | Not a fork · Organization account As of 3w · github_public_v1 | Not a fork · Personal account As of 3w · github_public_v1 |
| OSV dependency advisories | No lockfile (source not queried) As of 1mo · osv@v1 | No lockfile (source not queried) As of 1mo · osv@v1 |
| deps.dev advisories | Not queried deps.dev@v1 | Not queried deps.dev@v1 |
| OpenSSF Scorecard | Not queried openssf-scorecard@v1 | Not queried openssf-scorecard@v1 |
Tagline
- fastrtc
- The python library for real-time communication
- obs-localvocal
- An OBS plugin for local speech recognition and captioning
Stars
- fastrtc
- 4.6k
- obs-localvocal
- 1.6k
Forks
- fastrtc
- 434
- obs-localvocal
- 120
Open issues
- fastrtc
- 79
- obs-localvocal
- 55
Language
- fastrtc
- JavaScript
- obs-localvocal
- C++
Adopt for
- fastrtc
- fastrtc is a Python library offering real-time communication capabilities such as pause detection and text-to-speech.
- obs-localvocal
- Obs-localvocal is an OBS plugin enabling real-time speech-to-text transcription and translation using AI models that run locally.
Persona
- fastrtc
- -
- obs-localvocal
- -
Runtime
- fastrtc
- -
- obs-localvocal
- -
License
- fastrtc
- MIT
- obs-localvocal
- GPL-2.0
Last pushed
- fastrtc
- Jan 12, 2026
- obs-localvocal
- May 20, 2026
Categories
- fastrtc
- Speech & Audio
- obs-localvocal
- Speech & Audio
Trust and health
Maintenance
- fastrtc
- Slowing (36%)
- obs-localvocal
- Steady (60%)
Days since push
- fastrtc
- 197d
- obs-localvocal
- 71d
Open issues (now)
- fastrtc
- 79
- obs-localvocal
- 55
Owner type
- fastrtc
- Organization
- obs-localvocal
- User
Full report
- fastrtc
- Trust report
- obs-localvocal
- Trust report
Choose fastrtc if…
- fastrtc is primarily JavaScript; obs-localvocal is C++.
- License: fastrtc is MIT, obs-localvocal is GPL-2.0.
- Tags unique to fastrtc: artificial-intelligence, hacktoberfest, hacktoberfest2025, llm.
- Use fastrtc for projects that require pause detection in audio streams as it provides the specific ReplyOnPause feature.
When NOT to use fastrtc
- Avoid fastrtc when the project requires real-time communication features not covered by its pause detection or text-to-speech services.
- Do not use fastrtc if support for multiple languages beyond what Python and this library's built-in features provide is necessary.
Choose obs-localvocal if…
- obs-localvocal is primarily C++; fastrtc is JavaScript.
- License: obs-localvocal is GPL-2.0, fastrtc is MIT.
- Requirements: The software operates on Windows, Linux (Ubuntu 22.04), and MacOS environments.; Support for translation is included using CTranslate2..
- Tags unique to obs-localvocal: ai, live-streaming, obs-plugin, transcription.
- When you require privacy-first solutions where all processing of audio and data occurs on the local machine without any cloud-based services.
When NOT to use obs-localvocal
- If your workflow demands GPU acceleration for better performance, given obs-localvocal focuses primarily on CPU but offers limited GPU support.
- In scenarios where you need to integrate directly with cloud-hosted services or APIs, since this plugin processes everything locally without internet dependency.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (gradio-app/fastrtc) · observed Jul 29, 2026
- GitHub forks (gradio-app/fastrtc) · observed Jul 29, 2026
- Last push (gradio-app/fastrtc) · observed Jan 12, 2026
- License file (MIT) · observed Jul 29, 2026
- Decision facts (enrichment) · observed Jul 17, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (royshil/obs-localvocal) · observed Jul 30, 2026
- GitHub forks (royshil/obs-localvocal) · observed Jul 30, 2026
- Last push (royshil/obs-localvocal) · observed May 20, 2026
- License file (GPL-2.0) · observed Jul 30, 2026
- Decision facts (enrichment) · observed Jul 16, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: fastrtc 4.6k · obs-localvocal 1.6k (synced Jul 29, 2026).
Common questions
- What is the difference between fastrtc and obs-localvocal?
- fastrtc: The python library for real-time communication. obs-localvocal: An OBS plugin for local speech recognition and captioning. See the comparison table for live GitHub stats and shared categories.
- When should I choose fastrtc over obs-localvocal?
- Choose fastrtc over obs-localvocal when fastrtc is primarily JavaScript; obs-localvocal is C++; License: fastrtc is MIT, obs-localvocal is GPL-2.0; Tags unique to fastrtc: artificial-intelligence, hacktoberfest, hacktoberfest2025, llm; Use fastrtc for projects that require pause detection in audio streams as it provides the specific ReplyOnPause feature.
- When should I choose obs-localvocal over fastrtc?
- Choose obs-localvocal over fastrtc when obs-localvocal is primarily C++; fastrtc is JavaScript; License: obs-localvocal is GPL-2.0, fastrtc is MIT; Requirements: The software operates on Windows, Linux (Ubuntu 22.04), and MacOS environments.; Support for translation is included using CTranslate2.; Tags unique to obs-localvocal: ai, live-streaming, obs-plugin, transcription; When you require privacy-first solutions where all processing of audio and data occurs on the local machine without any cloud-based services.
- When should I avoid fastrtc?
- Avoid fastrtc when the project requires real-time communication features not covered by its pause detection or text-to-speech services. Do not use fastrtc if support for multiple languages beyond what Python and this library's built-in features provide is necessary.
- When should I avoid obs-localvocal?
- If your workflow demands GPU acceleration for better performance, given obs-localvocal focuses primarily on CPU but offers limited GPU support. In scenarios where you need to integrate directly with cloud-hosted services or APIs, since this plugin processes everything locally without internet dependency.
- Is fastrtc or obs-localvocal more popular on GitHub?
- fastrtc has more GitHub stars (4,619 vs 1,561). Stars measure visibility, not whether either tool fits your constraints.
- Are fastrtc and obs-localvocal open source?
- Yes - both are open-source projects on GitHub (fastrtc: MIT, obs-localvocal: GPL-2.0).
- Where can I find alternatives to fastrtc or obs-localvocal?
- GraphCanon lists graph-backed alternatives at fastrtc alternatives and obs-localvocal alternatives (fastrtc markdown twin, obs-localvocal markdown twin), 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 mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.
- Which is better maintained, fastrtc or obs-localvocal?
- fastrtc: Slowing. obs-localvocal: 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 fastrtc and obs-localvocal?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: fastrtc trust report; obs-localvocal trust report.