Comparison
prompttools vs promptflow
Verdict
Pick prompttools if prompttools aims to support developers in the testing and experimentation of prompts for language models as well as integrating vector databases through Python utilities; pick promptflow if promptflow is a development framework catered towards creating LLM applications through all stages of development, including initial prototyping and ongoing monitoring.
Markdown twin · prompttools alternatives · promptflow alternatives
GraphCanon updated 2w
vs
Trust & integrity
| Signal | prompttools | promptflow |
|---|---|---|
| Maintenance | Slowing (177d since push) As of 2w · github_public_v1 | Active (17d since push) As of 4w · github_public_v1 |
| Provenance | Not a fork · Organization account As of 2w · github_public_v1 | Not a fork · Organization account As of 4w · github_public_v1 |
| OSV dependency advisories | Published findings 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
- prompttools
- Open-source tools for prompt testing and experimentation
- promptflow
- Build high-quality LLM apps from prototyping to production deployment and monitoring
Stars
- prompttools
- 3.0k
- promptflow
- 11k
Forks
- prompttools
- 255
- promptflow
- 1.1k
Open issues
- prompttools
- 41
- promptflow
- 72
Language
- prompttools
- Python
- promptflow
- Python
Adopt for
- prompttools
- Prompttools aims to support developers in the testing and experimentation of prompts for language models as well as integrating vector databases through Python utilities.
- promptflow
- Promptflow is a development framework catered towards creating LLM applications through all stages of development, including initial prototyping and ongoing monitoring.
Persona
- prompttools
- -
- promptflow
- -
Runtime
- prompttools
- -
- promptflow
- -
License
- prompttools
- Apache-2.0
- promptflow
- MIT
Last pushed
- prompttools
- Feb 11, 2026
- promptflow
- Jul 9, 2026
Categories
- prompttools
- Developer Tools, LLM Frameworks, Vector Databases
- promptflow
- Developer Tools, LLM Frameworks
Trust and health
Maintenance
- prompttools
- Slowing (36%)
- promptflow
- Active (82%)
Days since push
- prompttools
- 177d
- promptflow
- 17d
Open issues (now)
- prompttools
- 41
- promptflow
- 72
OSV dependency advisories
- prompttools
- Published findings
- promptflow
- No lockfile (source not queried)
Full report
- prompttools
- Trust report
- promptflow
- Trust report
Choose prompttools if…
- License: prompttools is Apache-2.0, promptflow is MIT.
- Pricing: PromptsTools is open-source under the Apache-2.0 license, making it free to use but with no official support available..
- Tags unique to prompttools: deep-learning, embeddings, large language models, llms.
- Also covers Vector Databases.
- Prompttools aims to support developers in the testing and experimentation of prompts for language models as well as integrating vector databases through Python utilities.
When NOT to use prompttools
- Last GitHub push was 196 days ago (slowing maintenance, Feb 11, 2026). Validate activity before betting a new project on prompttools.
- 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.
- Vector Databases: Don't reach for a dedicated vector DB under ~100k vectors; pgvector on your existing Postgres is simpler to operate.
Choose promptflow if…
- License: promptflow is MIT, prompttools is Apache-2.0.
- Tags unique to promptflow: ai-application-development, chatgpt, llm.
- When you require a comprehensive environment to manage the full lifecycle of LLM applications from ideation to deployment in Python.
When NOT to use promptflow
- If your team prefers or requires tools that support languages other than Python, as Promptflow is exclusively focused on the Python ecosystem.
- In cases where a more fragmented toolset with specialized components for different development stages might be preferable to an integrated framework approach.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (hegelai/prompttools) · observed Aug 7, 2026
- GitHub forks (hegelai/prompttools) · observed Aug 7, 2026
- Last push (hegelai/prompttools) · observed Feb 11, 2026
- License file (Apache-2.0) · observed Aug 7, 2026
- Decision facts (enrichment) · observed Jul 12, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (microsoft/promptflow) · observed Jul 27, 2026
- GitHub forks (microsoft/promptflow) · observed Jul 27, 2026
- Last push (microsoft/promptflow) · observed Jul 9, 2026
- License file (MIT) · observed Jul 27, 2026
- Decision facts (enrichment) · observed Jul 16, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: prompttools 3.0k · promptflow 11k (synced Aug 7, 2026).
Common questions
- What is the difference between prompttools and promptflow?
- prompttools: Open-source tools for prompt testing and experimentation. promptflow: Build high-quality LLM apps from prototyping to production deployment and monitoring. See the comparison table for live GitHub stats and shared categories.
- When should I choose prompttools over promptflow?
- Choose prompttools over promptflow when License: prompttools is Apache-2.0, promptflow is MIT; Pricing: PromptsTools is open-source under the Apache-2.0 license, making it free to use but with no official support available.; Tags unique to prompttools: deep-learning, embeddings, large language models, llms; Also covers Vector Databases; Prompttools aims to support developers in the testing and experimentation of prompts for language models as well as integrating vector databases through Python utilities.
- When should I choose promptflow over prompttools?
- Choose promptflow over prompttools when License: promptflow is MIT, prompttools is Apache-2.0; Tags unique to promptflow: ai-application-development, chatgpt, llm; When you require a comprehensive environment to manage the full lifecycle of LLM applications from ideation to deployment in Python.
- When should I avoid prompttools?
- Last GitHub push was 196 days ago (slowing maintenance, Feb 11, 2026). Validate activity before betting a new project on prompttools. 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. Vector Databases: Don't reach for a dedicated vector DB under ~100k vectors; pgvector on your existing Postgres is simpler to operate.
- When should I avoid promptflow?
- If your team prefers or requires tools that support languages other than Python, as Promptflow is exclusively focused on the Python ecosystem. In cases where a more fragmented toolset with specialized components for different development stages might be preferable to an integrated framework approach.
- Is prompttools or promptflow more popular on GitHub?
- promptflow has more GitHub stars (11,193 vs 3,046). Stars measure visibility, not whether either tool fits your constraints.
- Are prompttools and promptflow open source?
- Yes - both are open-source projects on GitHub (prompttools: Apache-2.0, promptflow: MIT).
- Where can I find alternatives to prompttools or promptflow?
- GraphCanon lists graph-backed alternatives at prompttools alternatives and promptflow alternatives (prompttools markdown twin, promptflow 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, prompttools or promptflow?
- prompttools: Slowing. promptflow: 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 prompttools and promptflow?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: prompttools trust report; promptflow trust report.