Comparison
FastGPT vs FastChat
Verdict
Pick FastGPT if fastGPT is a knowledge-based platform for developing and deploying complex question-answering systems, offering out-of-the-box capabilities for data processing, RAG retrieval, and visual AI workflow orchestration; pick FastChat if fastChat is an open-source platform for training, serving, and evaluating large language models, including Vicuna, and supports Chatbot Arena, a platform for LLM evaluations with human feedback.
Markdown twin · FastGPT alternatives · FastChat alternatives
GraphCanon updated Sep 20, 2026
9views this month
Trust & integrity
| Signal | FastGPT | FastChat |
|---|---|---|
| Maintenance | Very active (0d since push) As of Sep 18, 2026 · github_public_v1 | Slowing (140d since push) As of Sep 18, 2026 · github_public_v1 |
| Provenance | Not a fork · Organization account As of Sep 18, 2026 · github_public_v1 | Not a fork · Organization account As of Sep 18, 2026 · github_public_v1 |
| OSV dependency advisories | No lockfile (source not queried) As of Sep 18, 2026 · osv@v1 | No lockfile (source not queried) As of Sep 18, 2026 · 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
- FastGPT
- A knowledge-based platform for developing and deploying complex question-answering systems
- FastChat
- An open platform for training, serving, and evaluating large language models
Stars
- FastGPT
- 30k
- FastChat
- 40k
Forks
- FastGPT
- 7.3k
- FastChat
- 4.8k
Open issues
- FastGPT
- 170
- FastChat
- 1.0k
Language
- FastGPT
- TypeScript
- FastChat
- Python
Adopt for
- FastGPT
- FastGPT is a knowledge-based platform for developing and deploying complex question-answering systems, offering out-of-the-box capabilities for data processing, RAG retrieval, and visual AI workflow orchestration.
- FastChat
- FastChat is an open-source platform for training, serving, and evaluating large language models, including Vicuna, and supports Chatbot Arena, a platform for LLM evaluations with human feedback.
Persona
- FastGPT
- -
- FastChat
- -
Runtime
- FastGPT
- -
- FastChat
- -
License
- FastGPT
- Other
- FastChat
- Apache-2.0
Last pushed
- FastGPT
- Sep 18, 2026
- FastChat
- May 1, 2026
Categories
- FastGPT
- AI Agents, Data & Retrieval, Developer Tools, Model Training
- FastChat
- Evaluation & Observability, Inference & Serving, LLM Frameworks, Model Training
Trust and health
Maintenance
- FastGPT
- Very active (96%)
- FastChat
- Slowing (36%)
Days since push
- FastGPT
- 0d
- FastChat
- 140d
Open issues (now)
- FastGPT
- 170
- FastChat
- 1.0k
Stars delta
- FastGPT
- +324 (30d)
- FastChat
- +19 (30d)
Full report
- FastGPT
- Trust report
- FastChat
- Trust report
Choose FastGPT if…
- FastGPT is primarily TypeScript; FastChat is Python.
- License: FastGPT is Other, FastChat is Apache-2.0.
- Tags unique to FastGPT: agent, claude, deepseek, llm.
- Also covers AI Agents, Data & Retrieval, Developer Tools.
- When you need a comprehensive platform that supports data processing, RAG retrieval, and visual AI workflow orchestration for developing complex question-answering systems.
When NOT to use FastGPT
- If you are looking for a platform that supports real-time AI plugin generation, as this feature is not yet available in FastGPT.
- When you need a platform that supports RAG module hot updates or Agent-loop hot updates, as these features are currently under development.
- If you require advanced debugging modes for complex workflows, as this feature is not yet implemented in FastGPT.
Choose FastChat if…
- FastChat is primarily Python; FastGPT is TypeScript.
- License: FastChat is Apache-2.0, FastGPT is Other.
- Tags unique to FastChat: chatbot arena, llm-evaluation, multi-model serving, openai-compatible apis.
- Also covers Evaluation & Observability, Inference & Serving, LLM Frameworks.
- When you need a platform that supports both training and evaluation of large language models, such as Vicuna, and you want to leverage human feedback for model evaluation.
When NOT to use FastChat
- If you are looking for a platform that focuses solely on model training without serving or evaluation capabilities, FastChat offers a comprehensive suite that might be more than you need.
- If your project does not require human feedback for model evaluation, FastChat's integration with Chatbot Arena might be an unnecessary feature.
- If you are working with proprietary or closed-source models, FastChat's open-source nature and reliance on open-source models like Vicuna might not align with your project requirements.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (labring/FastGPT) · observed Sep 20, 2026
- GitHub forks (labring/FastGPT) · observed Sep 20, 2026
- Last push (labring/FastGPT) · observed Sep 18, 2026
- License file (Other) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Sep 18, 2026
- Trust scan (lockfile / OSV) · observed Sep 18, 2026
- GitHub stars (lm-sys/FastChat) · observed Sep 20, 2026
- GitHub forks (lm-sys/FastChat) · observed Sep 20, 2026
- Last push (lm-sys/FastChat) · observed May 1, 2026
- License file (Apache-2.0) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Sep 18, 2026
- Trust scan (lockfile / OSV) · observed Sep 18, 2026
GitHub stars on cards: FastGPT 30k · FastChat 40k (synced Sep 20, 2026).
Common questions
- What is the difference between FastGPT and FastChat?
- FastGPT: A knowledge-based platform for developing and deploying complex question-answering systems. FastChat: An open platform for training, serving, and evaluating large language models. See the comparison table for live GitHub stats and shared categories.
- When should I choose FastGPT over FastChat?
- Choose FastGPT over FastChat when FastGPT is primarily TypeScript; FastChat is Python; License: FastGPT is Other, FastChat is Apache-2.0; Tags unique to FastGPT: agent, claude, deepseek, llm; Also covers AI Agents, Data & Retrieval, Developer Tools; When you need a comprehensive platform that supports data processing, RAG retrieval, and visual AI workflow orchestration for developing complex question-answering systems.
- When should I choose FastChat over FastGPT?
- Choose FastChat over FastGPT when FastChat is primarily Python; FastGPT is TypeScript; License: FastChat is Apache-2.0, FastGPT is Other; Tags unique to FastChat: chatbot arena, llm-evaluation, multi-model serving, openai-compatible apis; Also covers Evaluation & Observability, Inference & Serving, LLM Frameworks; When you need a platform that supports both training and evaluation of large language models, such as Vicuna, and you want to leverage human feedback for model evaluation.
- When should I avoid FastGPT?
- If you are looking for a platform that supports real-time AI plugin generation, as this feature is not yet available in FastGPT. When you need a platform that supports RAG module hot updates or Agent-loop hot updates, as these features are currently under development. If you require advanced debugging modes for complex workflows, as this feature is not yet implemented in FastGPT.
- When should I avoid FastChat?
- If you are looking for a platform that focuses solely on model training without serving or evaluation capabilities, FastChat offers a comprehensive suite that might be more than you need. If your project does not require human feedback for model evaluation, FastChat's integration with Chatbot Arena might be an unnecessary feature. If you are working with proprietary or closed-source models, FastChat's open-source nature and reliance on open-source models like Vicuna might not align with your project requirements.
- Is FastGPT or FastChat more popular on GitHub?
- FastChat has more GitHub stars (39,536 vs 29,690). Stars measure visibility, not whether either tool fits your constraints.
- Are FastGPT and FastChat open source?
- Yes - both are open-source projects on GitHub (FastGPT: Other, FastChat: Apache-2.0).
- Where can I find alternatives to FastGPT or FastChat?
- GraphCanon lists graph-backed alternatives at FastGPT alternatives and FastChat alternatives (FastGPT markdown twin, FastChat 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, FastGPT or FastChat?
- FastGPT: Very active. FastChat: Slowing. 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 FastGPT and FastChat?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: FastGPT trust report; FastChat trust report.