Comparison
langstream vs promptmage
Verdict
Pick langstream if langStream is a Python-based tool for building robust Language Model (LLM) applications, emphasizing modularity and composability; pick promptmage if promptmage is an open-source Python tool simplifying LLM workflow creation and management.
Markdown twin · langstream alternatives · promptmage alternatives
GraphCanon updated 2w
vs
Trust & integrity
| Signal | langstream | promptmage |
|---|---|---|
| Maintenance | Dormant (946d since push) As of 2w · github_public_v1 | Dormant (649d since push) As of 3w · github_public_v1 |
| Provenance | Not a fork · Personal account As of 2w · 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
- langstream
- Build robust LLM applications with true composability
- promptmage
- Simplifies LLM workflow creation and management
Stars
- langstream
- 417
- promptmage
- 115
Forks
- langstream
- 28
- promptmage
- 9
Open issues
- langstream
- 3
- promptmage
- 8
Language
- langstream
- Python
- promptmage
- Python
Adopt for
- langstream
- LangStream is a Python-based tool for building robust Language Model (LLM) applications, emphasizing modularity and composability.
- promptmage
- Promptmage is an open-source Python tool simplifying LLM workflow creation and management.
Persona
- langstream
- -
- promptmage
- -
Runtime
- langstream
- -
- promptmage
- -
License
- langstream
- MIT
- promptmage
- MIT License, providing flexibility to use, modify, and distribute Promptmage code freely as long as original licensing terms are preserved and acknowledged.
Last pushed
- langstream
- Jan 3, 2024
- promptmage
- Oct 21, 2024
Categories
- langstream
- Developer Tools, LLM Frameworks
- promptmage
- Developer Tools, LLM Frameworks
Trust and health
Days since push
- langstream
- 946d
- promptmage
- 649d
Open issues (now)
- langstream
- 3
- promptmage
- 8
Full report
- langstream
- Trust report
- promptmage
- Trust report
Shared compatibility
- Python · langstream: Python runtime · promptmage: Python runtime
Choose langstream if…
- Tags unique to langstream: composability, modular development, python.
- LangStream is a Python-based tool for building robust Language Model (LLM) applications, emphasizing modularity and composability.
- More GitHub stars (417 vs 115) - visibility, not fit.
When NOT to use langstream
- Last GitHub push was 965 days ago (dormant maintenance, Jan 3, 2024). Validate activity before betting a new project on langstream.
- Developer Tools: A gateway is overkill when you're pinned to a single provider and model.
- LLM Frameworks: Avoid a framework for a single prompt-and-retrieve call; the abstraction can cost more than it saves.
Choose promptmage if…
- Requirements: Requires Docker.
- Tags unique to promptmage: ai, llm, nlp-library, nlp-machine-learning.
- When you require a streamlined process for crafting and overseeing large language model workflows specifically with Python.
When NOT to use promptmage
- If your preferred programming environment is not Python or does not support the same level of workflow automation offered by this tool.
- When there is a need for a more bespoke solution that cannot leverage the pre-defined structures and capabilities of Promptmage's framework.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (rogeriochaves/langstream) · observed Aug 7, 2026
- GitHub forks (rogeriochaves/langstream) · observed Aug 7, 2026
- Last push (rogeriochaves/langstream) · observed Jan 3, 2024
- License file (MIT) · observed Aug 7, 2026
- Decision facts (enrichment) · observed Jul 12, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (tsterbak/promptmage) · observed Aug 2, 2026
- GitHub forks (tsterbak/promptmage) · observed Aug 2, 2026
- Last push (tsterbak/promptmage) · observed Oct 21, 2024
- License file (MIT) · observed Aug 2, 2026
- Decision facts (enrichment) · observed Jul 16, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: langstream 417 · promptmage 115 (synced Aug 7, 2026).
Common questions
- What is the difference between langstream and promptmage?
- langstream: Build robust LLM applications with true composability. promptmage: Simplifies LLM workflow creation and management. See the comparison table for live GitHub stats and shared categories.
- When should I choose langstream over promptmage?
- Choose langstream over promptmage when Tags unique to langstream: composability, modular development, python; LangStream is a Python-based tool for building robust Language Model (LLM) applications, emphasizing modularity and composability; More GitHub stars (417 vs 115) - visibility, not fit.
- When should I choose promptmage over langstream?
- Choose promptmage over langstream when Requirements: Requires Docker; Tags unique to promptmage: ai, llm, nlp-library, nlp-machine-learning; When you require a streamlined process for crafting and overseeing large language model workflows specifically with Python.
- When should I avoid langstream?
- Last GitHub push was 965 days ago (dormant maintenance, Jan 3, 2024). Validate activity before betting a new project on langstream. Developer Tools: A gateway is overkill when you're pinned to a single provider and model. LLM Frameworks: Avoid a framework for a single prompt-and-retrieve call; the abstraction can cost more than it saves.
- When should I avoid promptmage?
- If your preferred programming environment is not Python or does not support the same level of workflow automation offered by this tool. When there is a need for a more bespoke solution that cannot leverage the pre-defined structures and capabilities of Promptmage's framework.
- Is langstream or promptmage more popular on GitHub?
- langstream has more GitHub stars (417 vs 115). Stars measure visibility, not whether either tool fits your constraints.
- Are langstream and promptmage open source?
- Yes - both are open-source projects on GitHub (langstream: MIT, promptmage: MIT).
- Where can I find alternatives to langstream or promptmage?
- GraphCanon lists graph-backed alternatives at langstream alternatives and promptmage alternatives (langstream markdown twin, promptmage 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, langstream or promptmage?
- langstream: Dormant. promptmage: Dormant. 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 langstream and promptmage?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: langstream trust report; promptmage trust report.