The deciding difference is operational: LiteLLM can run on infrastructure you control, Amazon Bedrock cannot. If that constraint is real for you, it settles the choice before anything else is considered.
Frontier models inside your AWS account, with IAM and VPC boundaries.
Use when procurement needs the model call to stay inside your cloud account.
Self-hosted proxy that speaks one API to 100+ providers, with keys and budgets.
Give every agent its own virtual key so you can attribute and cap spend per surface.
| Amazon Bedrock | LiteLLM | |
|---|---|---|
| Licence | Proprietary | Open source |
| Pricing | usage based | open source |
| Self-hostable | No | Yes |
| Languages | TypeScript, Python | Python, TypeScript |
| Install | — | pip install 'litellm[proxy]' |
| Keys required | AWS_REGION, AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY | None |
The deciding difference is operational: LiteLLM can run on infrastructure you control, Amazon Bedrock cannot. If that constraint is real for you, it settles the choice before anything else is considered. Amazon Bedrock: Frontier models inside your AWS account, with IAM and VPC boundaries. LiteLLM: Self-hosted proxy that speaks one API to 100+ providers, with keys and budgets.
Amazon Bedrock is a hosted service only. LiteLLM can run on your own infrastructure.
Amazon Bedrock is proprietary (usage based). LiteLLM is open source (open source).
Every page here answers to Accept: text/markdown and returns the same content at roughly a tenth the tokens. No separate site, no toggle — same URL.
curl -s -H "Accept: text/markdown" https://newagent.build/compare/bedrock-vs-litellm