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litellm vs xerj

litellm and xerj share 10 technologies: axum, tower, aws-sdk-s3, rusqlite, SQLite, Tokio, tokenizers, zip, tracing, and tracing-subscriber. litellm is written in Python and xerj in Rust.

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What they share and what sets them apart

BerriAI

litellm

The fastest, litest AI Gateway. Rust core with Python SDK. Call 100+ LLM APIs in OpenAI (or native) format with cost tracking, guardrails, load balancing, and logging [Bedrock, Azure, OpenAI, Anthropic, OpenAI, VertexAI, vLLM, Nvidia NIM]

Python62.7kRead on November 5, 2026, at commit 7e4ad6eWhat is litellm built with?

Only in litellm

In common

xerj-org

xerj

AI search engine and MCP server for bots and agents. One Rust binary indexes code, docs, logs, JSONL/CSV and PDFs for BM25 full-text, vector and hybrid search, code search without grep, agent memory and RAG. Elasticsearch-compatible API; Corpus Hub serves hundreds of reference memory corpora.

Rust19.1kRead on November 6, 2026, at commit 87bf7acWhat is xerj built with?

Only in xerj

  • axum-extra
  • axum-server
  • webauthn-rs
  • hmac
  • argon2
  • candle-core
  • candle-nn
  • candle-transformers
  • hf-hub
  • ort
  • quick-xml
  • cfb
  • calamine
  • csv
  • mail-parser
  • prometheus

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
litellm4,586,231 lines written5,606 code files
xerj896,832 lines written725 code files
Who writes itA commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
litellm20.1% of its commits signed by AIWith Claude Code, Devin, Cursor, GitHub Copilot, OpenHands, Codex, Aider, and Gemini CLI
xerj21% of its commits signed by AIWith Claude Code, Cursor, and Codex
ActivityFrom GitHub and its history, on the day SeeRepo read it.
litellmLast push November 5, 202646,240 commits62,741 stars
xerjLast push November 6, 20262,945 commits19,074 stars
TestsThe files that test the code, and the share of code files a test imports.
litellm6,918 test files22% of its code files have a test that imports them
xerj358 test files9.7% of its code files have a test that imports them

Frequently asked questions

Which is bigger, litellm or xerj?
litellm, with 4,586,231 lines written; xerj has 896,832.

The proof: BerriAI/litellm's code at commit 7e4ad6e

Which has more GitHub stars, litellm or xerj?
litellm, with 62,741 stars; xerj has 19,074.

The proof: BerriAI/litellm on GitHub

Which has more tests, litellm or xerj?
litellm, with 6,918 test files; xerj has 358.

The proof: BerriAI/litellm's code at commit 7e4ad6e

Which was updated more recently, litellm or xerj?
xerj: its last push was on November 6, 2026, and litellm's on November 5, 2026.

The proof: xerj-org/xerj's commits on GitHub

Which has more commits signed by AI, litellm or xerj?
xerj: an AI signed 21% of its commits, with Claude Code, Cursor, and Codex; in litellm, 20.1%.

The proof: the commits each tool signed in xerj-org/xerj

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