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litellm vs iii

litellm and iii share 13 technologies: axum, tower, rusqlite, Redis, SQLite, Tokio, React, zip, Pydantic, schemars, jsonschema, tracing, and tracing-subscriber. litellm is written in Python and iii 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

iii-hq

iii

Effortlessly compose, extend, and observe every service in real-time for the first time ever.

Rust18.9kRead on November 6, 2026, at commit 4094bb4What is iii built with?

Only in iii

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
litellm4,586,231 lines written5,606 code files
iii523,734 lines written690 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
iii4.9% of its commits signed by AIWith Claude Code, CodeRabbit, Cursor, and GitHub Copilot
ActivityFrom GitHub and its history, on the day SeeRepo read it.
litellmLast push November 5, 202646,240 commits62,741 stars
iiiLast push November 6, 20262,181 commits18,926 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
iii452 test files21.4% of its code files have a test that imports them

Frequently asked questions

Which is bigger, litellm or iii?
litellm, with 4,586,231 lines written; iii has 523,734.

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

Which has more GitHub stars, litellm or iii?
litellm, with 62,741 stars; iii has 18,926.

The proof: BerriAI/litellm on GitHub

Which has more tests, litellm or iii?
litellm, with 6,918 test files; iii has 452.

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

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

The proof: iii-hq/iii's commits on GitHub

Which has more commits signed by AI, litellm or iii?
litellm: an AI signed 20.1% of its commits, with Claude Code, Devin, Cursor, GitHub Copilot, OpenHands, Codex, Aider, and Gemini CLI; in iii, 4.9%.

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

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