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Comparison

dolly vs FastChat

Verdict

Pick dolly if dolly is a large language model from Databricks, designed for both inference and training on the Databricks Machine Learning Platform. It is accessible via Hugging Face and requires specific GPU configurations for full-f; 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.

Markdown twin · dolly alternatives · FastChat alternatives

GraphCanon updated Sep 20, 2026

6views this month

dolly logo

dolly

databrickslabs/dolly

★ 11kpushed Jun 30, 2023
vs
FastChat logo

FastChat

lm-sys/FastChat

★ 40kpushed May 1, 2026

Trust & integrity

SignaldollyFastChat
Maintenance
Dormant (1175d 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
Published findings
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

dolly
Databricks' Dolly, a large language model trained on the Databricks Machine Learning Platform
FastChat
An open platform for training, serving, and evaluating large language models

Stars

dolly
11k
FastChat
40k

Forks

dolly
1.1k
FastChat
4.8k

Open issues

dolly
5
FastChat
1.0k

Language

dolly
Python
FastChat
Python

Adopt for

dolly
Dolly is a large language model from Databricks, designed for both inference and training on the Databricks Machine Learning Platform. It is accessible via Hugging Face and requires specific GPU configurations for full-f
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

dolly
-
FastChat
-

Runtime

dolly
-
FastChat
-

License

dolly
Dolly is licensed under the Apache-2.0 license, which is permissive and allows for free use, modification, and distribution of the software.
FastChat
Apache-2.0

Last pushed

dolly
Jun 30, 2023
FastChat
May 1, 2026

Categories

dolly
Inference & Serving, LLM Frameworks
FastChat
Evaluation & Observability, Inference & Serving, LLM Frameworks, Model Training

Trust and health

Maintenance

dolly
Dormant (18%)
FastChat
Slowing (36%)

Days since push

dolly
1175d
FastChat
140d

Open issues (now)

dolly
5
FastChat
1.0k

Stars delta

dolly
+3 (30d)
FastChat
+19 (30d)

Open issues delta

dolly
-1 (30d)
FastChat
+5 (30d)

OSV dependency advisories

dolly
Published findings
FastChat
No lockfile (source not queried)

Full report

FastChat
Trust report

Choose dolly if…

  • Requirements: Requires A100 GPUs for optimal performance.; Integration with the Databricks Machine Learning Platform is necessary for full functionality..
  • Tags unique to dolly: chatbot, databricks, dolly, gpt.
  • When you need a language model that integrates seamlessly with the Databricks Machine Learning Platform for both training and inference.

When NOT to use dolly

  • If your infrastructure does not support A100 GPUs or if you are unable to provision the required instance types in your region.
  • When you prefer not to use the Databricks Machine Learning Platform for your model training and inference needs.
  • If your project requires a model that is not licensed under Apache-2.0.

Choose FastChat if…

  • Tags unique to FastChat: chatbot arena, llm-evaluation, multi-model serving, openai-compatible apis.
  • Also covers Evaluation & Observability, Model Training.
  • 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 on cards: dolly 11k · FastChat 40k (synced Sep 20, 2026).

Common questions

What is the difference between dolly and FastChat?
dolly: Databricks' Dolly, a large language model trained on the Databricks Machine Learning Platform. 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 dolly over FastChat?
Choose dolly over FastChat when Requirements: Requires A100 GPUs for optimal performance.; Integration with the Databricks Machine Learning Platform is necessary for full functionality.; Tags unique to dolly: chatbot, databricks, dolly, gpt; When you need a language model that integrates seamlessly with the Databricks Machine Learning Platform for both training and inference.
When should I choose FastChat over dolly?
Choose FastChat over dolly when Tags unique to FastChat: chatbot arena, llm-evaluation, multi-model serving, openai-compatible apis; Also covers Evaluation & Observability, Model Training; 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 dolly?
If your infrastructure does not support A100 GPUs or if you are unable to provision the required instance types in your region. When you prefer not to use the Databricks Machine Learning Platform for your model training and inference needs. If your project requires a model that is not licensed under Apache-2.0.
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 dolly or FastChat more popular on GitHub?
FastChat has more GitHub stars (39,536 vs 10,808). Stars measure visibility, not whether either tool fits your constraints.
Are dolly and FastChat open source?
Yes - both are open-source projects on GitHub (dolly: Apache-2.0, FastChat: Apache-2.0).
Where can I find alternatives to dolly or FastChat?
GraphCanon lists graph-backed alternatives at dolly alternatives and FastChat alternatives (dolly 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, dolly or FastChat?
dolly: Dormant. 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 dolly and FastChat?
GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: dolly trust report; FastChat trust report.

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