SystemPrompt alternatives
6 agents tools in the same lane as SystemPrompt, ranked by editorial score.
KA
Kong AI Gateway
Agents · Multi-model
7.3
Enterprise API gateway extended to route, govern, and observe LLM and agent traffic across providers.
Freemium· Free trial: $0 · Plus: Charged per Gateway per month · Enterprise: Custom pricing · Essentials: $0 · Pro: $12llm-gatewaymulti-llm-routing
PG
Prediction Guard
Agents · Multi-model
6.6
Self-hosted AI control plane that lets regulated enterprises govern models, agents, and MCP servers behind their firewall.
Enterprise· Contact salesai-governanceself-hosted-llm
PO
Portkey
Agents · Multi-model
7.1
Production LLM gateway with observability, guardrails, and prompt management for teams shipping AI in anger.
Freemium· Developer: Free Forever · Production: $49/month · Enterprise: Custom Pricingllm-gatewayobservability
PA
Portkey AI Gateway
Agents · Multi-model (1,600+ LLMs)
7.2
Open-source AI gateway that routes a single API call across 1,600+ LLMs with caching, fallbacks, and observability.
Freemium· Developer: Free Forever · Production: $49/month · Enterprise: Custom Pricingllm-routingfallbacks-and-retries
LG
LLM Gateway
Agents · Routes to GPT-4o, Claude 3.5 Sonnet, Gemini 1.5, Llama 3.1, Mistral, and 200+ others
One API, 200+ models, transparent pricing, and no vendor lock-in.
Freemium· Free: $0 · Enterprise: CustomMulti-provider LLM routingAutomatic failover between model vendors
BI
Bifrost
Agents · Multi-model (OpenAI, Anthropic, Bedrock, Vertex, 1000+ via providers)
7.3
Open-source AI gateway that unifies 1000+ models behind one OpenAI-compatible endpoint with failover, budgets, and MCP routing.
Freemium· Free Forever: Free · Enterprise: Contact salesllm-gatewaymulti-provider-routing