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Sonar vs SGLang: catalog facts
Sonar	SGLang
Free Free and open source under the AGPL-3.0 licence.	Free Free to download and run from its public repository.
macOS, Linux, Self-hosted, Command line	Self-hosted, Command line
OpenAI-compatible API with streaming, embeddings and tool calls Continuous batching and several forms of parallelism for many concurrent users	Built for high-throughput model serving Handles both language and multimodal models
Aimed at server deployments rather than casual desktop chat Recently renamed from Aphrodite Engine, so older guides use the old name	Needs capable GPU hardware Aimed at servers and developers rather than desktop chat use
Downloadable app, Self-hosted	Downloadable app, Self-hosted
Open source	Open source
License: AGPL-3.0	License not stated
No account needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.