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litellm vs stalwart

litellm and stalwart share 8 technologies: rusqlite, Redis, azure_storage_blob, Tokio, jsonwebtoken, azure_identity, zip, and azure_core. litellm is written in Python and stalwart 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

stalwartlabs

stalwart

All-in-one Mail & Collaboration server. Secure, scalable and fluent in every protocol (IMAP, JMAP, SMTP, CalDAV, CardDAV, WebDAV).

Rust15.8kRead on November 7, 2026, at commit 8b32686What is stalwart built with?

Only in stalwart

  • deadpool-postgres
  • mysql_async
  • rdkafka
  • tokio-postgres
  • rocksdb
  • quick_cache
  • async-nats
  • r2d2
  • Kafka
  • ldap3
  • argon2
  • hkdf
  • pbkdf2
  • pwhash
  • scrypt
  • totp-rs
  • jieba-rs
  • imagesize
  • mail-parser
  • mail-builder
  • quick-xml
  • infer
  • sd-notify

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
litellm4,586,231 lines written5,606 code files
stalwart637,196 lines written1,585 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
stalwart0% of its commits signed by AI
ActivityFrom GitHub and its history, on the day SeeRepo read it.
litellmLast push November 5, 202646,240 commits62,741 stars
stalwartLast push November 4, 20261,836 commits15,779 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
stalwart38 test files1.4% of its code files have a test that imports them

Frequently asked questions

Which is bigger, litellm or stalwart?
litellm, with 4,586,231 lines written; stalwart has 637,196.

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

Which has more GitHub stars, litellm or stalwart?
litellm, with 62,741 stars; stalwart has 15,779.

The proof: BerriAI/litellm on GitHub

Which has more tests, litellm or stalwart?
litellm, with 6,918 test files; stalwart has 38.

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

Which was updated more recently, litellm or stalwart?
litellm: its last push was on November 5, 2026, and stalwart's on November 4, 2026.

The proof: BerriAI/litellm's commits on GitHub

Which has more commits signed by AI, litellm or stalwart?
litellm: an AI signed 20.1% of its commits, with Claude Code, Devin, Cursor, GitHub Copilot, OpenHands, Codex, Aider, and Gemini CLI.

The proof: the commits each tool signed in BerriAI/litellm

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