--- title: "9router vs aiac" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/decolua-9router-vs-gofireflyio-aiac" tools: ["decolua-9router", "gofireflyio-aiac"] --- # 9router vs aiac *GraphCanon updated Sep 20, 2026* ## Verdict Pick 9router if 9router is an AI gateway that connects multiple AI coding tools to free AI models via various providers, offering auto-fallback and token-saving capabilities; pick aiac if aiac, an IaC generator for AI infrastructure, is built in Go and supports Terraform and Pulumi. [9router](https://9router.com) reports 29k GitHub stars, 5.4k forks, and 2.1k open issues, last pushed Sep 10, 2026. [aiac](https://github.com/gofireflyio/aiac) has 3.8k stars, 296 forks, and 3 open issues, last pushed Mar 24, 2026. Figures are from public GitHub metadata via [9router's repository](https://github.com/decolua/9router) and [aiac's repository](https://github.com/gofireflyio/aiac). | | [9router](/tools/decolua-9router.md) | [aiac](/tools/gofireflyio-aiac.md) | | --- | --- | --- | | Tagline | Unlimited FREE AI coding with auto-fallback and token-saving features | Artificial Intelligence Infrastructure-as-Code Generator | | Stars | 29,223 | 3,788 | | Forks | 5,390 | 296 | | Open issues | 2,142 | 3 | | Language | JavaScript | Go | | Adopt for | 9router is an AI gateway that connects multiple AI coding tools to free AI models via various providers, offering auto-fallback and token-saving capabilities. | aiac, an IaC generator for AI infrastructure, is built in Go and supports Terraform and Pulumi. | | Persona | - | - | | Runtime | - | - | | License | MIT | aiac uses the Apache-2.0 license, allowing for permissive free usage and modification with attribution required. | | Categories | AI Agents, Developer Tools | Developer Tools, LLM Frameworks | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [9router](/tools/decolua-9router.md) | [aiac](/tools/gofireflyio-aiac.md) | | --- | --- | --- | | Maintenance | Active (82%) | Slowing (36%) | | Days since push | 7d | 179d | | Open issues (now) | 2.1k | 3 | | Stars delta | +6.5k (30d) | +3 (30d) | | Open issues delta | +921 (30d) | +1 (30d) | | Owner type | User | Organization | | Full report | [trust report](/tools/decolua-9router/trust.md) | [trust report](/tools/gofireflyio-aiac/trust.md) | ## Decision facts: 9router - **Adopt for:** 9router is an AI gateway that connects multiple AI coding tools to free AI models via various providers, offering auto-fallback and token-saving capabilities. ## Decision facts: aiac - **Hosting:** self hosted - Deployment methods include installation through Homebrew taps, Docker containers, Go install package management, and direct compilation from source. - **Pricing:** freemium - aiac is free for use under the Apache-2.0 license with no subscription fees; however, any third-party services like Amazon Bedrock or OpenAI might incur additional costs. - **Requirements:** Min 1 GB RAM; Requires Docker; Requires Go for local builds and installations through Homebrew taps.; Supports Docker, making it easy to deploy across multiple environments without needing full Go setup. - **Adopt for:** aiac, an IaC generator for AI infrastructure, is built in Go and supports Terraform and Pulumi. - **License detail:** aiac uses the Apache-2.0 license, allowing for permissive free usage and modification with attribution required. ## Choose when ### Choose 9router if… - 9router is primarily JavaScript; aiac is Go. - License: 9router is MIT, aiac is Apache-2.0. - Tags unique to 9router: ai-agents, ai-gateway, anthropic, claude. - Also covers AI Agents. - When you need to maximize the use of your paid AI coding subscriptions by integrating with free fallback options. ### Choose aiac if… - aiac is primarily Go; 9router is JavaScript. - License: aiac is Apache-2.0, 9router is MIT. - Deployment methods include installation through Homebrew taps, Docker containers, Go install package management, and direct compilation from source. - Pricing: aiac is free for use under the Apache-2.0 license with no subscription fees; however, any third-party services like Amazon Bedrock or OpenAI might incur additional costs.. - Requirements: Min 1 GB RAM; Requires Docker; Requires Go for local builds and installations through Homebrew taps.; Supports Docker, making it easy to deploy across multiple environments without needing full Go setup.. - Tags unique to aiac: ai, amazon-bedrock, iac, llms. - Also covers LLM Frameworks. - - Use aiac when you are working on AI projects that require IaC tools like Terraform or Pulumi, and want to manage your infrastructure as code using the Go language. ## When NOT to use 9router - If you require a single, high-performance AI coding tool without the complexity of managing fallbacks and multiple providers. - When you need a solution that does not involve setting up a local gateway and configuring endpoints for different AI models. - If you are working in an environment where the use of free or fallback AI models is not acceptable due to security or compliance reasons. - When you are looking for a tool that does not require manual configuration of API keys and endpoints for each AI model you wish to use. ## When NOT to use aiac - - Avoid aiac if your project is not based on Go or does not require the integration of Terraform and Pulumi for managing infrastructure. - - Do not use aiac in scenarios where you are working strictly within an environment that prefers languages other than Go, such as Python, or requires proprietary licenses. ## Common questions ### What is the difference between 9router and aiac? 9router: Unlimited FREE AI coding with auto-fallback and token-saving features. aiac: Artificial Intelligence Infrastructure-as-Code Generator. See the comparison table for live GitHub stats and shared categories. ### When should I choose 9router over aiac? Choose 9router over aiac when 9router is primarily JavaScript; aiac is Go; License: 9router is MIT, aiac is Apache-2.0; Tags unique to 9router: ai-agents, ai-gateway, anthropic, claude; Also covers AI Agents; When you need to maximize the use of your paid AI coding subscriptions by integrating with free fallback options. ### When should I choose aiac over 9router? Choose aiac over 9router when aiac is primarily Go; 9router is JavaScript; License: aiac is Apache-2.0, 9router is MIT; Deployment methods include installation through Homebrew taps, Docker containers, Go install package management, and direct compilation from source; Pricing: aiac is free for use under the Apache-2.0 license with no subscription fees; however, any third-party services like Amazon Bedrock or OpenAI might incur additional costs.; Requirements: Min 1 GB RAM; Requires Docker; Requires Go for local builds and installations through Homebrew taps.; Supports Docker, making it easy to deploy across multiple environments without needing full Go setup.; Tags unique to aiac: ai, amazon-bedrock, iac, llms; Also covers LLM Frameworks; - Use aiac when you are working on AI projects that require IaC tools like Terraform or Pulumi, and want to manage your infrastructure as code using the Go language. ### When should I avoid 9router? If you require a single, high-performance AI coding tool without the complexity of managing fallbacks and multiple providers. When you need a solution that does not involve setting up a local gateway and configuring endpoints for different AI models. If you are working in an environment where the use of free or fallback AI models is not acceptable due to security or compliance reasons. When you are looking for a tool that does not require manual configuration of API keys and endpoints for each AI model you wish to use. ### When should I avoid aiac? - Avoid aiac if your project is not based on Go or does not require the integration of Terraform and Pulumi for managing infrastructure. - Do not use aiac in scenarios where you are working strictly within an environment that prefers languages other than Go, such as Python, or requires proprietary licenses. ### Is 9router or aiac more popular on GitHub? 9router has more GitHub stars (29,223 vs 3,788). Stars measure visibility, not whether either tool fits your constraints. ### Are 9router and aiac open source? Yes - both are open-source projects on GitHub (9router: MIT, aiac: Apache-2.0). ### Where can I find alternatives to 9router or aiac? GraphCanon lists graph-backed alternatives at [9router alternatives](/tools/decolua-9router/alternatives) and [aiac alternatives](/tools/gofireflyio-aiac/alternatives) ([9router markdown twin](/tools/decolua-9router/alternatives.md), [aiac markdown twin](/tools/gofireflyio-aiac/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/decolua-9router-vs-gofireflyio-aiac.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, 9router or aiac? 9router: Active. aiac: Slowing. 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 9router and aiac? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [9router trust report](/tools/decolua-9router/trust); [aiac trust report](/tools/gofireflyio-aiac/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=decolua-9router`](/api/graphcanon/graph?tool=decolua-9router) - 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/_