Respan Gateway vs Treg (2026)
A side-by-side comparison of Respan Gateway and Treg on pricing, features, and fit, so you can decide which is right for you.
Quick answer
Respan Gateway and Treg are both strong choices, but they fit different needs. Choose Respan Gateway if you mainly need managing multi-provider llm traffic for production ai applications — its edge is combines routing, observability, and evals in a single platform reducing tool sprawl. Choose Treg if you need building ai coding agents that need live seo or web data from providers like semrush or serpapi — its edge is genuinely open source under agpl with self-hosting support, eliminating vendor lock-in. Respan Gateway starts at around $49/month based on usage volume; Treg starts at $0.004 per call.
Features compared
- Unified LLM routing across multiple AI providers with a single API endpoint
- Built-in observability including request tracing, latency monitoring, and logging
- Automated evaluations to benchmark and compare model outputs at scale
- Fallback and retry logic to handle provider outages and reduce downtime
- Single API key for 2,630+ endpoints across 47 data providers
- Zero-markup per-call billing at the provider's own rate
- AGPL-licensed and fully self-hostable with no vendor lock-in
- Pre-call price, latency, and success-rate transparency for every endpoint
Pros & cons
- Combines routing, observability, and evals in a single platform reducing tool sprawl
- Provider-agnostic design makes it easy to swap or mix LLM providers
- Saves engineering time by replacing custom middleware with ready-built infrastructure
- Relatively new platform so documentation and community resources are still maturing
- Advanced evaluation customization may require technical setup not suited for non-developers
- Genuinely open source under AGPL with self-hosting support, eliminating vendor lock-in
- One credential replaces dozens of provider signups, simplifying authentication for agent workflows
- Per-call pricing is shown before each request, giving full cost visibility with no hidden fees
- Zero-markup pricing depends on Treg maintaining volume deals with providers, which introduces continuity risk
- Some listed endpoints come from providers whose terms may restrict resale, posing a potential compliance concern
The verdict
Choose Respan Gateway if
you mainly need to managing multi-provider llm traffic for production ai applications. Its edge: combines routing, observability, and evals in a single platform reducing tool sprawl.
Choose Treg if
you mainly need to building ai coding agents that need live seo or web data from providers like semrush or serpapi. Its edge: genuinely open source under agpl with self-hosting support, eliminating vendor lock-in.
Frequently asked questions
Is Respan Gateway better than Treg?
Neither is universally better. Respan Gateway is stronger for managing multi-provider llm traffic for production ai applications, with an edge in combines routing, observability, and evals in a single platform reducing tool sprawl. Treg is stronger for building ai coding agents that need live seo or web data from providers like semrush or serpapi, with an edge in genuinely open source under agpl with self-hosting support, eliminating vendor lock-in. Pick based on your main task.
Which is cheaper, Respan Gateway or Treg?
Respan Gateway starts at around $49/month based on usage volume and Treg starts at $0.004 per call. Free tier: Respan Gateway — Free tier available with limited requests and basic observability features; Treg — $1.00 free credit on hosted; free to self-host under AGPL.
What is Respan Gateway best for?
Respan Gateway is best for managing multi-provider llm traffic for production ai applications, running automated evals to compare model quality across openai and anthropic, monitoring api costs and latency to optimize ai infrastructure spending.
What is Treg best for?
Treg is best for building ai coding agents that need live seo or web data from providers like semrush or serpapi, running marketing automation pipelines that pull contact and company data from hunter or crunchbase, prototyping research bots that aggregate data from multiple paid sources without managing separate api keys.
Do Respan Gateway and Treg have free plans?
Respan Gateway: Free tier available with limited requests and basic observability features. Treg: $1.00 free credit on hosted; free to self-host under AGPL. Check each tool's pricing page for current limits, as plans change.