Provides a massive hosted model catalog with instant access, but requires trusting a third-party platform instead of self-hosting.
#1CodeRabbit records 1,048,880 monthly visits with +4.6% month-over-month growth and Freemium, Free Trial, Paid, Contact for Pricing pricing. LiteLLM records 576,967 monthly visits with +7.9% growth and Freemium, Contact for Pricing pricing.

One open-source AI gateway for 100+ LLM providers
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | coderabbit.ai | litellm.ai |
| Pricing Model | Freemium, Free Trial, Paid, Contact for Pricing | Freemium, Contact for Pricing |
| Monthly Visits | 1.05M (1,048,880) | 576.97K (576,967) |
| MoM Traffic Delta |
|---|
| +45.96K (+4.6%) |
| +42.48K (+7.9%) |
| Primary Market & Share | 🇺🇸 United States (24.4%) | 🇺🇸 United States (27.9%) |
|---|
| Direct Visits / mo | 335.01K | 228.97K |
|---|
| User Rating | 4.6 | 4.8 |
|---|
| Supported Platforms | Website | Website |
|---|

AI code review, PR triage, and security monitoring for fast-moving teams
Every pull request gets line-level comments that draw on repository-wide context, coding guidelines and related files rather than just the diff in isolation.
Comments ship with one-click fixes, and CodeRabbit will iterate with human authors or coding agents until the feedback is resolved and re-verified.
Scores, ranks and routes incoming pull requests so high-impact changes are reviewed first and routine ones fast-track, with a board view of the queue.
Semantic diffs, blast-radius analysis and architecture diagrams make very large, agent-generated changes understandable in a few minutes.

One open-source AI gateway for 100+ LLM providers
Call 100+ providers and 1,800+ models using one request format, so you can swap models without changing application code.
Issue scoped keys per team, project or app, set monthly spend caps and see exactly who is driving usage and cost.
Distribute traffic across deployments, retry on failure and automatically fall back to another model or provider when one goes down.
Dashboards for request volume, tokens and cost per model, with support for logging and analytics integrations.
Provides a massive hosted model catalog with instant access, but requires trusting a third-party platform instead of self-hosting.
#1
SpecialistHosts high-performance open-weight models directly on dedicated serverless infrastructure, but does not route across external providers.
#2Delivers automated model failover and budget governance through an API gateway, but with less open-source customization.

SpecialistAll-in-one AppSec platform that finds and auto-fixes vulnerabilities

Unified LLM gateway with failover and analytics, but offers less robust open-source developer SDK support.

Free / Open-sourceOpen-source AI pair programming inside your terminal and git repo
Offers advanced enterprise observability and guardrail tools, but lacks LiteLLM's lightweight self-hosted proxy simplicity.

Provides managed multi-provider AI routing and cost tracking, but lacks the native open-source flexibility of LiteLLM.
Free / Open-sourceAn open-source alternative for unifying LLM providers, but features a less extensive ecosystem of middleware integrations.

Analyzes code changes and summarizes repository activity, though with a heavier focus on engineering productivity workflows.

Free / Open-sourceOpen-source request routing with built-in evaluations, but has a smaller community and fewer pre-built provider connectors.

Context-aware AI code reviews and a model router for coding agents
Provides a massive hosted model catalog with instant access, but requires trusting a third-party platform instead of self-hosting.
SpecialistHosts high-performance open-weight models directly on dedicated serverless infrastructure, but does not route across external providers.
Delivers automated model failover and budget governance through an API gateway, but with less open-source customization.
SpecialistAll-in-one AppSec platform that finds and auto-fixes vulnerabilities
Unified LLM gateway with failover and analytics, but offers less robust open-source developer SDK support.
Free / Open-sourceOpen-source AI pair programming inside your terminal and git repo
Offers advanced enterprise observability and guardrail tools, but lacks LiteLLM's lightweight self-hosted proxy simplicity.
Free / Open-sourceAn open-source alternative for unifying LLM providers, but features a less extensive ecosystem of middleware integrations.
Analyzes code changes and summarizes repository activity, though with a heavier focus on engineering productivity workflows.
Free / Open-sourceOpen-source request routing with built-in evaluations, but has a smaller community and fewer pre-built provider connectors.
Context-aware AI code reviews and a model router for coding agents