Source: https://seerepo.com/compare/BerriAI/litellm/vs/iii-hq/iii
Markdown source: https://seerepo.com/compare/BerriAI/litellm/vs/iii-hq/iii.md
Description: 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.

# 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.

- [BerriAI/litellm](https://seerepo.com/r/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]
- [iii-hq/iii](https://seerepo.com/r/iii-hq/iii): Effortlessly compose, extend, and observe every service in real-time for the first time ever.

## What they share and what sets them apart

- In common: axum, tower, rusqlite, Redis, SQLite, Tokio, React, zip, Pydantic, schemars, jsonschema, tracing, tracing-subscriber
- Only in litellm: FastAPI, Flask, aws-sdk-s3, psycopg, sqlx-postgres, sqlx, Postgres, moka, azure_storage_blob, OpenAI, Claude, Qdrant, anyio, AIOHTTP, Next.js, Anthropic, jsonwebtoken, aws-sdk-sts, azure_identity, gcp_auth, litellm, rmcp, tokenizers, tiktoken, tiktoken-rs, jinja2, boto3, azure_core, aws-sdk-secretsmanager, Tailwind CSS, class-variance-authority, next-themes, tanstack, React Hook Form, Base UI, react-syntax-highlighter, recharts, react-copy-to-clipboard, react-hotkeys-hook, usehooks-ts, @shadcn/react, cmdk, sonner, ProseMirror, prosemirror-state, prosemirror-view, react-json-view-lite, react-resizable-panels, Lucide, @heroicons/react, jwt-decode, react-markdown, papaparse, remark-gfm, Zod, @hookform/resolvers
- Only in iii: lapin, console, indicatif, cliclack, github.com/invopop/jsonschema, opentelemetry-api, OpenTelemetry, go.opentelemetry.io/otel, go.opentelemetry.io/otel/trace, tracing-opentelemetry, go.opentelemetry.io/otel/sdk, go.opentelemetry.io/otel/metric, go.opentelemetry.io/otel/log, go.opentelemetry.io/otel/sdk/log, go.opentelemetry.io/otel/sdk/metric, opentelemetry-sdk, opentelemetry-otlp, opentelemetry-http

## Side by side

| | litellm | iii |
|---|---|---|
| Size | 4,586,231 lines written, 5,606 code files | 523,734 lines written, 690 code files |
| Who writes it | 20.1% of its commits signed by AI. With Claude Code, Devin, Cursor, GitHub Copilot, OpenHands, Codex, Aider, and Gemini CLI | 4.9% of its commits signed by AI. With Claude Code, CodeRabbit, Cursor, and GitHub Copilot |
| Activity | Last push November 5, 2026, 46,240 commits, 62,741 stars | Last push November 6, 2026, 2,181 commits, 18,926 stars |
| Tests | 6,918 test files. 22% of its code files have a test that imports them | 452 test files. 21.4% of its code files have a test that imports them |

- Size: Lines written by people and agents, without generated ones; code files, without tests.
- Who writes it: A commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
- Activity: From GitHub and its history, on the day SeeRepo read it.
- Tests: The files that test the code, and the share of code files a test imports.

## 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](https://github.com/BerriAI/litellm/tree/7e4ad6eb333071d67c2eb03ce6468f89a0855027)

### Which has more GitHub stars, litellm or iii?

litellm, with 62,741 stars; iii has 18,926.

The proof: [BerriAI/litellm on GitHub](https://github.com/BerriAI/litellm)

### 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](https://github.com/BerriAI/litellm/tree/7e4ad6eb333071d67c2eb03ce6468f89a0855027)

### 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](https://github.com/iii-hq/iii/commits)

### 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](https://seerepo.com/r/BerriAI/litellm/ai)

## Sources

- BerriAI/litellm: Read on November 5, 2026, at commit 7e4ad6e (https://github.com/BerriAI/litellm/tree/7e4ad6eb333071d67c2eb03ce6468f89a0855027)
- iii-hq/iii: Read on November 6, 2026, at commit 4094bb4 (https://github.com/iii-hq/iii/tree/4094bb423d98f87ebef8fa7347891fbc485b71db)

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.