Comparison
semantic-router vs GPTRouter
Verdict
Pick semantic-router if semantic-Router is a Go-based intelligent runtime optimized for managing AI models across diverse deployment environments including edge devices, data centers, and cloud services; pick GPTRouter if gPTRouter is notable for TypeScript and handles multiple LLMs and image models like OpenAI, Anthropic, Azure, Dall-E, SDXL with improved reliability and speed.
Markdown twin · semantic-router alternatives · GPTRouter alternatives
GraphCanon updated 2d
vs
Trust & integrity
| Signal | semantic-router | GPTRouter |
|---|---|---|
| Maintenance | Very active (0d since push) As of 2d · github_public_v1 | Dormant (862d since push) As of 4d · github_public_v1 |
| Provenance | Not a fork · Organization account As of 2d · github_public_v1 | Not a fork · Organization account As of 4d · github_public_v1 |
| OSV dependency advisories | No lockfile (source not queried) As of 1mo · osv@v1 | No lockfile (source not queried) As of 1mo · osv@v1 |
| deps.dev advisories | Not queried deps.dev@v1 | Not queried deps.dev@v1 |
| OpenSSF Scorecard | Not queried openssf-scorecard@v1 | Not queried openssf-scorecard@v1 |
Tagline
- semantic-router
- System level intelligent runtime for Mixture-of-Models across edge, data center and cloud
- GPTRouter
- Manage multiple LLMs and image models for reliable and fast responses
Stars
- semantic-router
- 5.2k
- GPTRouter
- 455
Forks
- semantic-router
- 825
- GPTRouter
- 38
Open issues
- semantic-router
- 357
- GPTRouter
- 10
Language
- semantic-router
- Go
- GPTRouter
- TypeScript
Adopt for
- semantic-router
- Semantic-Router is a Go-based intelligent runtime optimized for managing AI models across diverse deployment environments including edge devices, data centers, and cloud services.
- GPTRouter
- GPTRouter is notable for TypeScript and handles multiple LLMs and image models like OpenAI, Anthropic, Azure, Dall-E, SDXL with improved reliability and speed.
Persona
- semantic-router
- -
- GPTRouter
- -
Runtime
- semantic-router
- -
- GPTRouter
- -
License
- semantic-router
- Apache-2.0
- GPTRouter
- The MIT license applies to GPTRouter, offering permissive use with conditions only requiring preservation of copyright and license notices.
Last pushed
- semantic-router
- Aug 23, 2026
- GPTRouter
- Apr 10, 2024
Categories
- semantic-router
- Inference & Serving, LLM Frameworks
- GPTRouter
- Inference & Serving, LLM Frameworks, Model Training
Trust and health
Maintenance
- semantic-router
- Very active (96%)
- GPTRouter
- Dormant (18%)
Days since push
- semantic-router
- 0d
- GPTRouter
- 862d
Open issues (now)
- semantic-router
- 357
- GPTRouter
- 10
Stars delta
- semantic-router
- +202 (30d)
- GPTRouter
- 0 (30d)
Open issues delta
- semantic-router
- +90 (30d)
- GPTRouter
- 0 (30d)
Full report
- semantic-router
- Trust report
- GPTRouter
- Trust report
Choose semantic-router if…
- semantic-router is primarily Go; GPTRouter is TypeScript.
- License: semantic-router is Apache-2.0, GPTRouter is MIT.
- Pricing: Open-source under Apache-2.0 license, enabling free usage and modification with no cost for the core service..
- Requirements: Min 2 GB RAM; Requires Docker; Requires Go runtime and Docker setup, suitable environments include Kubernetes clusters..
- Tags unique to semantic-router: ai-gateway, bert-classification, fine-tuning, golang.
- - Semantic-Router is ideal when you need an intelligent system to manage a mixture of AI models in different deployment contexts like edge, data center, or cloud.
When NOT to use semantic-router
- - Avoid Semantic-Router if your organization strictly uses languages other than Go since the system is language-specific, which might complicate integration.
- - For projects that do not require cross-environment deployment capabilities (such as those exclusively running on cloud infrastructure), Semantic-Router may introduce unnecessary complexity.
Choose GPTRouter if…
- GPTRouter is primarily TypeScript; semantic-router is Go.
- License: GPTRouter is MIT, semantic-router is Apache-2.0.
- Pricing: GPTRouter is open-source under the MIT License. However, costs might arise from using associated models like OpenAI or Anthropic..
- Requirements: Min 2 GB RAM.
- Tags unique to GPTRouter: anthropic, azure-openai, cohere, google-gemini.
- Also covers Model Training.
- GPTRouter ships Docker support for self-hosted deployment.
- When your project requires seamless integration of different language models such as OpenAI, Anthropic, and Azure and demands reliability and fast response times.
When NOT to use GPTRouter
- Avoid using GPTRouter if your project strictly uses Python without the flexibility to adopt TypeScript, as it may hinder seamless integration.
- If your application exclusively focuses on a single LLM or image model provider lacking the need for managing multiple providers, consider alternatives more focused in scope and potentially lighter.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (vllm-project/semantic-router) · observed Aug 23, 2026
- GitHub forks (vllm-project/semantic-router) · observed Aug 23, 2026
- Last push (vllm-project/semantic-router) · observed Aug 23, 2026
- License file (Apache-2.0) · observed Aug 23, 2026
- Decision facts (enrichment) · observed Jul 12, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (Writesonic/GPTRouter) · observed Aug 21, 2026
- GitHub forks (Writesonic/GPTRouter) · observed Aug 21, 2026
- Last push (Writesonic/GPTRouter) · observed Apr 10, 2024
- License file (MIT) · observed Aug 21, 2026
- Decision facts (enrichment) · observed Jul 14, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: semantic-router 5.2k · GPTRouter 455 (synced Aug 23, 2026).
Common questions
- What is the difference between semantic-router and GPTRouter?
- semantic-router: System level intelligent runtime for Mixture-of-Models across edge, data center and cloud. GPTRouter: Manage multiple LLMs and image models for reliable and fast responses. See the comparison table for live GitHub stats and shared categories.
- When should I choose semantic-router over GPTRouter?
- Choose semantic-router over GPTRouter when semantic-router is primarily Go; GPTRouter is TypeScript; License: semantic-router is Apache-2.0, GPTRouter is MIT; Pricing: Open-source under Apache-2.0 license, enabling free usage and modification with no cost for the core service.; Requirements: Min 2 GB RAM; Requires Docker; Requires Go runtime and Docker setup, suitable environments include Kubernetes clusters.; Tags unique to semantic-router: ai-gateway, bert-classification, fine-tuning, golang; - Semantic-Router is ideal when you need an intelligent system to manage a mixture of AI models in different deployment contexts like edge, data center, or cloud.
- When should I choose GPTRouter over semantic-router?
- Choose GPTRouter over semantic-router when GPTRouter is primarily TypeScript; semantic-router is Go; License: GPTRouter is MIT, semantic-router is Apache-2.0; Pricing: GPTRouter is open-source under the MIT License. However, costs might arise from using associated models like OpenAI or Anthropic.; Requirements: Min 2 GB RAM; Tags unique to GPTRouter: anthropic, azure-openai, cohere, google-gemini; Also covers Model Training; GPTRouter ships Docker support for self-hosted deployment; When your project requires seamless integration of different language models such as OpenAI, Anthropic, and Azure and demands reliability and fast response times.
- When should I avoid semantic-router?
- - Avoid Semantic-Router if your organization strictly uses languages other than Go since the system is language-specific, which might complicate integration. - For projects that do not require cross-environment deployment capabilities (such as those exclusively running on cloud infrastructure), Semantic-Router may introduce unnecessary complexity.
- When should I avoid GPTRouter?
- Avoid using GPTRouter if your project strictly uses Python without the flexibility to adopt TypeScript, as it may hinder seamless integration. If your application exclusively focuses on a single LLM or image model provider lacking the need for managing multiple providers, consider alternatives more focused in scope and potentially lighter.
- Is semantic-router or GPTRouter more popular on GitHub?
- semantic-router has more GitHub stars (5,241 vs 455). Stars measure visibility, not whether either tool fits your constraints.
- Are semantic-router and GPTRouter open source?
- Yes - both are open-source projects on GitHub (semantic-router: Apache-2.0, GPTRouter: MIT).
- Where can I find alternatives to semantic-router or GPTRouter?
- GraphCanon lists graph-backed alternatives at semantic-router alternatives and GPTRouter alternatives (semantic-router markdown twin, GPTRouter markdown twin), 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 mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.
- Which is better maintained, semantic-router or GPTRouter?
- semantic-router: Very active. GPTRouter: Dormant. 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 semantic-router and GPTRouter?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: semantic-router trust report; GPTRouter trust report.