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Comparison

SatGate vs Bifrost

Both are gateways. They focus on different calls.

TL;DR

Both are gateways. Bifrost focuses on fast LLM routing with budgets per key and team. SatGate focuses on budgets for your agents' tool and API calls, payment from external agents, and signed receipts.

Feature Comparison

FeatureSatGateBifrost
Hard budget enforcement
Per-tool cost attribution
Paid access for external agents (Lightning or USDC)
Credit budgets with a configurable unit
MCP proxy (per-tool budgets)
Budget delegation (sub-agents)
MCP-aware (protocol support)
Multi-provider LLM routing
Automatic LLM failover
Semantic caching
General API protection
Open source
Enterprise dashboard

Key Differences

Budget Enforcement

SatGate

Hard enforcement. When budget is exceeded, requests are blocked. No "oops" moments. The CFO knows exactly what will be spent.

Bifrost

Budgets per key and team. Hard budgets and rate limits on virtual keys, teams and customers for LLM traffic.

Cost Attribution

SatGate

Per-tool granularity. See exactly which MCP tool, which agent, which team spent what. Chargeback reports by cost center.

Bifrost

Cost tracking per key and team. Cost tracking and budgets per virtual key, team and customer for LLM calls.

Primary Use Case

SatGate

Spending controls. Protect APIs from runaway agent spend. Monetize API access. Control budgets at the request level.

Bifrost

LLM routing. Efficiently route calls across multiple LLM providers. Automatic failover and load balancing. Minimize latency.

When to Use Each

Use SatGate when...

  • You need to enforce hard budget caps on agent spend
  • You want per-tool cost attribution for chargeback reporting
  • You're monetizing API access (charging per call)
  • You're protecting REST APIs, MCP tools, or any HTTP endpoint
  • The CFO asks "how do we control AI spend?"

Use Bifrost when...

  • You need to route LLM calls across multiple providers
  • You want automatic failover if one provider goes down
  • You're optimizing for minimum latency on LLM calls
  • You need semantic caching to reduce costs
  • Your primary concern is LLM infrastructure reliability

Can You Use Both?

Yes. They solve different problems and can be deployed together:

Agent → SatGate (budget enforcement) → Bifrost (LLM routing) → OpenAI/Anthropic/etc.

SatGate enforces economic controls. Bifrost optimizes the LLM layer. Different layers, complementary value.

FAQ

SatGate vs Bifrost questions

What is the main difference between SatGate and Bifrost?

Bifrost focuses on fast LLM routing across providers, with budgets per virtual key, team and customer. SatGate focuses on budgets for your agents’ tool and API calls, per-tool cost attribution, scoped agent tokens, and payment from external agents in Lightning (L402) or USDC (x402).

Can SatGate and Bifrost be used together?

Yes. SatGate can sit before Bifrost to enforce budget and policy controls, while Bifrost handles downstream LLM routing, failover, and provider optimization.

When should teams choose SatGate over an LLM router?

Choose SatGate when the priority is preventing runaway agent spend, enforcing per-agent or per-tool budgets, attributing costs to teams, or charging external agents for API access.

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