Overview

Rating

10.0 / 10

Rating

Best For

AI engineering teams building production LLM applications who need unified access, observability, and cost control

Best For

Enterprise platform and AI teams that need to govern LLM, MCP, and agent traffic, often in their own cloud or on-prem

Product Summary

Respan is the AI router with built-in observability and automated evals: one API for 1,000+ models, with tracing, spend control, and evals on every request.

Product Summary

TrueFoundry is an enterprise AI gateway for LLM, MCP, and agent traffic, with governance, guardrails, and deployment in your own cloud or on-prem.

Starting Price

Free Trial

Yes

Free Trial

Yes

Free Version

Yes

Free Version

Yes

Website

respan.ai

Website

truefoundry.com

Key features

Core capabilities each platform advertises.

Respan

One API for 1,000+ models
Automatic fallbacks and retries
Load balancing across providers and models
Exact-match caching with configurable TTL
Hard spend limits per key, per customer, or org-wide
Task-aware model routing with Respan Router (beta)
Tracing, evals, and prompt management on every routed request

TrueFoundry

AI Gateway with routing, fallbacks, rate limits, and budgets
MCP Gateway for governed agent access to tools
Agent Gateway for agent identity and access policies
Built-in, custom, and third-party guardrails

Strengths and tradeoffs

What each tool does well, and the limitations to keep in mind.

Respan

Pros

Gateway, tracing, and evals in one platform, so every metric ties back to the request behind it
1,000+ models through one OpenAI-compatible API
No processing fee on Respan credits, and provider discounts are passed straight through
Hard spend caps that block requests, not just alert
Unlimited seats on the free plan
SOC 2, HIPAA with a BAA, GDPR, and ISO 27001

Cons

Additional latency (30-40ms) from routing through a gateway layer
Newer platform with smaller community compared to established tools
Some advanced provider-specific features may not be fully supported

TrueFoundry

Pros

LLM, MCP, and agent traffic run through one gateway
VPC, on-premises, and air-gapped deployment available on Enterprise
Model serving and fine-tuning live in the same platform as the gateway

Cons

LLM judges run inline as guardrails only, so datasets and offline experiments need another tool
SSO, audit logs, and VPC or on-prem deployment require Enterprise

Respan or TrueFoundry — which should you choose?

Choose Respan if you wantChoose if you want

Keeping agents online through provider outages and rate limits
Controlling LLM spend per customer or API key
Switching models without code changes
Scoring output quality on live production traffic
Replacing a separate gateway, logging tool, and eval tool with one platform

Choose TrueFoundry if you wantChoose if you want

Centralizing LLM access and spend across teams
Governing MCP tool access for agents
Running a gateway inside a VPC, on-prem, or air-gapped environment

Respan vs TrueFoundry (2026)

Overview

Key features

Strengths and tradeoffs

Respan or TrueFoundry — which should you choose?

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