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OpenLLM vs Sonar: catalog facts
OpenLLM	Sonar
Free Free and open source under the Apache 2.0 licence; BentoCloud hosting is a separate…	Free Free and open source under the AGPL-3.0 licence.
Self-hosted, Command line	macOS, Linux, Self-hosted, Command line
One command starts an OpenAI-compatible server Wide catalogue of open models, plus custom model repositories	OpenAI-compatible API with streaming, embeddings and tool calls Continuous batching and several forms of parallelism for many concurrent users
Many models require large GPUs Aimed at developers rather than desktop users	Aimed at server deployments rather than casual desktop chat Recently renamed from Aphrodite Engine, so older guides use the old name
Downloadable app, Self-hosted	Downloadable app, Self-hosted
Open source	Open source
License: Apache-2.0	License: AGPL-3.0
Not stated if an account is 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 26, 2026

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