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Home/Compare/starcoder vs FastChat

Comparison

starcoder vs FastChat

Verdict

Pick starcoder when tags unique to starcoder: python; pick FastChat when tags unique to FastChat: chatbots, distributed serving, evaluation system, large-language-models.

Markdown twin · starcoder alternatives · FastChat alternatives

GraphCanon updated today

starcoder logo

starcoder

bigcode-project/starcoder

★ 7.5kpushed Feb 27, 2024
vs
FastChat logo

FastChat

lm-sys/FastChat

★ 39kpushed May 1, 2026

Trust & integrity

SignalstarcoderFastChat
Maintenance
Dormant (865d since push)
As of today · github_public_v1
Steady (71d since push)
As of today · github_public_v1
Provenance
Not a fork · Organization account
As of today · github_public_v1
Not a fork · Organization account
As of today · github_public_v1
Security (OSV)
48 low (48 low)
As of today · osv@v1
No lockfile
As of today · none
starcoder trust reportFastChat trust reportTrust methodology

Tagline

starcoder
Home of StarCoder: fine-tuning & inference!
FastChat
An open platform for training, serving, and evaluating large language models

Stars

starcoder
7.5k
FastChat
39k

Forks

starcoder
528
FastChat
4.8k

Open issues

starcoder
103
FastChat
1.0k

Language

starcoder
Python
FastChat
Python

Adopt for

starcoder
-
FastChat
FastChat is a comprehensive open platform for managing large language models (LLMs) that includes capabilities for training, serving, evaluating, and comparing chatbot models via web UIs and RESTful APIs. It powers ChatB

Persona

starcoder
-
FastChat
-

Runtime

starcoder
-
FastChat
-

License

starcoder
Apache-2.0
FastChat
Apache-2.0

Last pushed

starcoder
Feb 27, 2024
FastChat
May 1, 2026

Categories

starcoder
Inference & Serving, Model Training, Speech & Audio
FastChat
Evaluation & Observability, Inference & Serving, LLM Frameworks, Model Training

Trust and health

Maintenance

starcoder
Dormant (18%)
FastChat
Steady (60%)

Days since push

starcoder
865d
FastChat
71d

Open issues (now)

starcoder
103
FastChat
1.0k

Security scan

starcoder
48 low (48 low)
FastChat
No lockfile

Full report

starcoder
Trust report
FastChat
Trust report

Shared compatibility

  • Python · starcoder: Python runtime · FastChat: Python runtime

Choose starcoder if…

  • Tags unique to starcoder: python.
  • Also covers Speech & Audio.
  • Leaner open-issue backlog (103).

When NOT to use starcoder

  • Last GitHub push was 866 days ago (dormant maintenance, Feb 27, 2024). Validate activity before betting a new project on starcoder.
  • Inference & Serving: Self-hosting rarely beats a hosted API on cost until you have steady, high-volume traffic.
  • Model Training: Try prompting and RAG first; fine-tuning is the answer to style/format, not missing knowledge.
GitHubDetails

Choose FastChat if…

  • Tags unique to FastChat: chatbots, distributed serving, evaluation system, large-language-models.
  • Also covers Evaluation & Observability, LLM Frameworks.
  • - You are looking to train and evaluate state-of-the-art models such as Vicuna or MT-Bench.

When NOT to use FastChat

  • - You require a proprietary or closed-source framework; FastChat is open-source under Apache-2.0 license and its use might be unsuitable for environments requiring proprietary solutions.
  • - Your chatbot evaluation needs do not align with the types of data used in FastChat's datasets (e.g., human votes, MT-Bench evaluations).
  • - You prefer a more user-friendly setup without the need to clone a repository and manually install dependencies; FastChat requires installation from source with additional steps for Rust and CMake on
  • + Mac.
GitHubDetails

Explore

starcoder trust report →FastChat trust report →Inference & Serving category →Model Training category →Speech & Audio category →Evaluation & Observability category →LLM Frameworks category →All comparisonsStack workflowsTrending tools

Sources

Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.

GitHub stars on cards: starcoder 7.5k · FastChat 39k (synced Jul 11, 2026).

Common questions

What is the difference between starcoder and FastChat?
starcoder: Home of StarCoder: fine-tuning & inference!. 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 starcoder over FastChat?
Choose starcoder over FastChat when Tags unique to starcoder: python; Also covers Speech & Audio; Leaner open-issue backlog (103).
When should I choose FastChat over starcoder?
Choose FastChat over starcoder when Tags unique to FastChat: chatbots, distributed serving, evaluation system, large-language-models; Also covers Evaluation & Observability, LLM Frameworks; - You are looking to train and evaluate state-of-the-art models such as Vicuna or MT-Bench.
When should I avoid starcoder?
Last GitHub push was 866 days ago (dormant maintenance, Feb 27, 2024). Validate activity before betting a new project on starcoder. Inference & Serving: Self-hosting rarely beats a hosted API on cost until you have steady, high-volume traffic. Model Training: Try prompting and RAG first; fine-tuning is the answer to style/format, not missing knowledge.
When should I avoid FastChat?
- You require a proprietary or closed-source framework; FastChat is open-source under Apache-2.0 license and its use might be unsuitable for environments requiring proprietary solutions. - Your chatbot evaluation needs do not align with the types of data used in FastChat's datasets (e.g., human votes, MT-Bench evaluations). - You prefer a more user-friendly setup without the need to clone a repository and manually install dependencies; FastChat requires installation from source with additional steps for Rust and CMake on + Mac.
Is starcoder or FastChat more popular on GitHub?
FastChat has more GitHub stars (39,490 vs 7,508). Stars measure visibility, not whether either tool fits your constraints.
Are starcoder and FastChat open source?
Yes - both are open-source projects on GitHub (starcoder: Apache-2.0, FastChat: Apache-2.0).
Where can I find alternatives to starcoder or FastChat?
GraphCanon lists graph-backed alternatives at starcoder alternatives and FastChat alternatives (starcoder 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, starcoder or FastChat?
starcoder: Dormant. FastChat: 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 starcoder and FastChat?
GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: starcoder trust report; FastChat trust report.