SillyTavern vs vLLM

SillyTavern vs vLLM
Fact	SillyTavern	vLLM
Language	JavaScript	Python
Licence	AGPL-3.0	Apache-2.0
Stars	34k	93k
Latest	1.19.0	v0.31.0
Last push	2026-10-02	2026-10-06
Release cadence	about 45 days between releases	about 14 days between releases
Active contributors	35 commit authors on the default branch in the last 90 days	260+ commit authors on the default branch in the last 90 days
Flags	none	none

How they relate

Both replace ChatGPT. Alternatives to ChatGPT →
PartialSillyTavernA self-hosted chat front end aimed at character roleplay, in front of hosted APIs or local models.
PartialvLLMServes open-weight models behind an OpenAI-compatible API, tuned for GPU throughput.

1.19.02026-09-14Anthropic: Added support for Claude Fable 5 and 5.1, Claude Opus 4.8 and 5, Claude Sonnet 5.
1.18.02026-05-03Read the maintainers statement regarding a recent security incident involving the "Bot Browser" third-party extension a…
1.17.02026-03-28Note: Requires Node.js 20 or higher.
1.16.02026-02-14Note: The first-time startup on low-end devices may take longer due to the image metadata caching process.
1.15.02025-12-28Introducing the first preview of Macros 2.0, a comprehensive overhaul of the macro system that enables nesting, stable…

v0.31.02026-10-05This release features 717 commits from 307 contributors (96 new)!
v0.30.02026-09-22This release features 762 commits from 315 contributors (104 new)!
v0.29.02026-09-09This release features 594 commits from 277 contributors (91 new)!
v0.28.02026-08-26This release features 584 commits from 270 contributors (76 new)!
v0.27.12026-08-11This is a patch release on top of v0.27.0.

✓ signed The latest release, 1.19.0, carries a signature GitHub verified.

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unsigned The latest release, v0.31.0, carries no signature GitHub could verify.

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