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Sonar vs vLLM: catalog facts
Sonar	vLLM
Free Free and open source under the AGPL-3.0 licence.	Free Free and open source under the Apache-2.0 license.
macOS, Linux, Self-hosted, Command line	Linux, Command line
OpenAI-compatible API with streaming, embeddings and tool calls Continuous batching and several forms of parallelism for many concurrent users	High-throughput serving suited to production-scale local deployments Apache-2.0 licensed and actively developed
Aimed at server deployments rather than casual desktop chat Recently renamed from Aphrodite Engine, so older guides use the old name	Aimed at developers deploying models rather than casual end users Requires appropriate GPU hardware for good performance
Downloadable app, Self-hosted	Downloadable app, Self-hosted
Open source	Open source
License: AGPL-3.0	License: Apache-2.0
No account needed	Not stated if an account is 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 22, 2026

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