--- title: "ai-gateway vs sie" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/ferro-labs-ai-gateway-vs-superlinked-sie" tools: ["ferro-labs-ai-gateway", "superlinked-sie"] --- # ai-gateway vs sie *GraphCanon updated Aug 22, 2026* ## Verdict Pick ai-gateway if ai-gateway from Ferro Labs supports over 30 LLMs with integrated caching, guardrails, A/B testing, and cost controls, making it ideal for managing multiple language models in a production environment; pick sie if sie is an open-source inference server and production cluster for managing AI model deployment in various domains like NLP, deep learning, and more. [ai-gateway](https://docs.ferrolabs.ai) reports 219 GitHub stars, 33 forks, and 63 open issues, last pushed Aug 7, 2026. [sie](https://superlinked.com) has 2.8k stars, 272 forks, and 13 open issues, last pushed Aug 21, 2026. Figures are from public GitHub metadata via [ai-gateway's repository](https://github.com/ferro-labs/ai-gateway) and [sie's repository](https://github.com/superlinked/sie). | | [ai-gateway](/tools/ferro-labs-ai-gateway.md) | [sie](/tools/superlinked-sie.md) | | --- | --- | --- | | Tagline | Unified AI Gateway for multiple LLMs with caching, guardrails, A/B testing, and cost controls | Open-source inference server and production cluster for all the models your agent needs. | | Stars | 219 | 2,804 | | Forks | 33 | 272 | | Open issues | 63 | 13 | | Language | Go | Python | | Adopt for | ai-gateway from Ferro Labs supports over 30 LLMs with integrated caching, guardrails, A/B testing, and cost controls, making it ideal for managing multiple language models in a production environment. | sie is an open-source inference server and production cluster for managing AI model deployment in various domains like NLP, deep learning, and more. | | Persona | - | - | | Runtime | - | - | | License | Apache-2.0 - a permissive free software license | Apache-2.0 | | Categories | Inference & Serving, Model Training | Inference & Serving | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [ai-gateway](/tools/ferro-labs-ai-gateway.md) | [sie](/tools/superlinked-sie.md) | | --- | --- | --- | | Days since push | 2d | 0d | | Open issues (now) | 63 | 13 | | Stars delta | Unknown | +507 (30d) | | Open issues delta | Unknown | +2 (30d) | | Full report | [trust report](/tools/ferro-labs-ai-gateway/trust.md) | [trust report](/tools/superlinked-sie/trust.md) | ## Decision facts: ai-gateway - **Adopt for:** ai-gateway from Ferro Labs supports over 30 LLMs with integrated caching, guardrails, A/B testing, and cost controls, making it ideal for managing multiple language models in a production environment. - **License detail:** Apache-2.0 - a permissive free software license ## Decision facts: sie - **Requirements:** sie operates under Python, necessitating a compatible runtime environment.; To fully leverage sie's capabilities, ensure your project aligns well with Apache-2.0 licensing requirements and practices. - **Adopt for:** sie is an open-source inference server and production cluster for managing AI model deployment in various domains like NLP, deep learning, and more. ## Choose when ### Choose ai-gateway if… - ai-gateway is primarily Go; sie is Python. - Tags unique to ai-gateway: ai-gateway, litellm, llm-cost, llm-proxy. - Also covers Model Training. - When you need to integrate more than 30 different LLM services including OpenAI and Anthropic ### Choose sie if… - sie is primarily Python; ai-gateway is Go. - Requirements: sie operates under Python, necessitating a compatible runtime environment.; To fully leverage sie's capabilities, ensure your project aligns well with Apache-2.0 licensing requirements and practices.. - Tags unique to sie: bge, colbert, data-pipeline, deep-learning. - Use sie when you need to deploy multiple types of ML models including deep-learning embeddings or retrieval-augmented generation systems. ## When NOT to use ai-gateway - If your project only involves one or two LLMs which does not necessitate the gateway's broad compatibility features - For small-scale projects that do not require comprehensive cost analysis tools - When custom integration for specific guardrails is required, as ai-gateway offers generalized settings ## When NOT to use sie - Avoid using sie if your project strictly focuses on areas outside the machine learning and deep-learning scope that sie is designed to support. - Do not choose sie for projects requiring proprietary or specialized backend services that might conflict with its open-source framework. ## Common questions ### What is the difference between ai-gateway and sie? ai-gateway: Unified AI Gateway for multiple LLMs with caching, guardrails, A/B testing, and cost controls. sie: Open-source inference server and production cluster for all the models your agent needs.. See the comparison table for live GitHub stats and shared categories. ### When should I choose ai-gateway over sie? Choose ai-gateway over sie when ai-gateway is primarily Go; sie is Python; Tags unique to ai-gateway: ai-gateway, litellm, llm-cost, llm-proxy; Also covers Model Training; When you need to integrate more than 30 different LLM services including OpenAI and Anthropic. ### When should I choose sie over ai-gateway? Choose sie over ai-gateway when sie is primarily Python; ai-gateway is Go; Requirements: sie operates under Python, necessitating a compatible runtime environment.; To fully leverage sie's capabilities, ensure your project aligns well with Apache-2.0 licensing requirements and practices.; Tags unique to sie: bge, colbert, data-pipeline, deep-learning; Use sie when you need to deploy multiple types of ML models including deep-learning embeddings or retrieval-augmented generation systems. ### When should I avoid ai-gateway? If your project only involves one or two LLMs which does not necessitate the gateway's broad compatibility features For small-scale projects that do not require comprehensive cost analysis tools When custom integration for specific guardrails is required, as ai-gateway offers generalized settings ### When should I avoid sie? Avoid using sie if your project strictly focuses on areas outside the machine learning and deep-learning scope that sie is designed to support. Do not choose sie for projects requiring proprietary or specialized backend services that might conflict with its open-source framework. ### Is ai-gateway or sie more popular on GitHub? sie has more GitHub stars (2,804 vs 219). Stars measure visibility, not whether either tool fits your constraints. ### Are ai-gateway and sie open source? Yes - both are open-source projects on GitHub (ai-gateway: Apache-2.0, sie: Apache-2.0). ### Where can I find alternatives to ai-gateway or sie? GraphCanon lists graph-backed alternatives at [ai-gateway alternatives](/tools/ferro-labs-ai-gateway/alternatives) and [sie alternatives](/tools/superlinked-sie/alternatives) ([ai-gateway markdown twin](/tools/ferro-labs-ai-gateway/alternatives.md), [sie markdown twin](/tools/superlinked-sie/alternatives.md)), ranked by typed relationship edges rather than popularity votes. ### Is there a machine-readable version of this comparison? Yes. The markdown twin at [this comparison](/compare/ferro-labs-ai-gateway-vs-superlinked-sie.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, ai-gateway or sie? ai-gateway: Very active. sie: Very active. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance. ### Where are the full trust reports for ai-gateway and sie? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [ai-gateway trust report](/tools/ferro-labs-ai-gateway/trust); [sie trust report](/tools/superlinked-sie/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=ferro-labs-ai-gateway`](/api/graphcanon/graph?tool=ferro-labs-ai-gateway) - LLM index: [/llms.txt](/llms.txt) - Full corpus: [/llms-full.txt](/llms-full.txt) _GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_