API2D records 214 monthly visits with -91.3% month-over-month growth and Paid pricing. LiteLLM records 576,967 monthly visits with +7.9% growth and Freemium, Contact for Pricing pricing.
Use top AI models like electricity — register, top up, paste your key
One open-source AI gateway for 100+ LLM providers
| Dimension / Metric | | |
|---|---|---|
| Official Domain | api2d.com | litellm.ai |
| Pricing Model | Paid | Freemium, Contact for Pricing |
| Monthly Visits | 214 (214) | 576.97K (576,967) |
| MoM Traffic Delta | -2.23K (-91.3%) | +42.48K (+7.9%) |
| Primary Market & Share | 🇹🇼 Taiwan (100%) | 🇺🇸 United States (27.9%) |
| Direct Visits / mo | 86 | 228.97K |
| User Rating | 3.8 | 4.8 |
| Supported Platforms | Website | Website |
Use top AI models like electricity — register, top up, paste your key
One base URL and key work with virtually any app, SDK or self-hosted chat client that supports a custom API address.
Route requests to OpenAI models, Claude, Stability diffusion, Azure TTS and vector database services from a single account.
Consumption is metered in points with a published multiplier, so you pay for what you use rather than a flat subscription.
Identical request bodies return cached answers for free for 24 hours, and a header can disable caching when freshness matters.
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.
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.
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.
Delivers automated model failover and budget governance through an API gateway, but with less open-source customization.
Free / Open-sourceOne OpenAI-compatible API key for 500+ AI models
Free / Open-sourceOne OpenAI-compatible API key for 500+ AI models
Unified LLM gateway with failover and analytics, but offers less robust open-source developer SDK support.
Unified LLM gateway with failover and analytics, but offers less robust open-source developer SDK support.
Free / Open-sourceOne API for LLM, image, video, and audio models in production
Free / Open-sourceOne API for LLM, image, video, and audio models in production
One API key, 100+ LLMs, official pricing with no platform markup
One API key for hundreds of AI models
One OpenAI-compatible key for discounted GPT, Claude and Gemini access
Offers advanced enterprise observability and guardrail tools, but lacks LiteLLM's lightweight self-hosted proxy simplicity.
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.
Free / Open-sourceAn open-source alternative for unifying LLM providers, but features a less extensive ecosystem of middleware integrations.
