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Head-to-head · Tool Calling

ToolRoute vs Kong AI Gateway

  • Updated Sep 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score ToolRoute #5 in Tool Calling 7.0/10 Free plan · paid from $29/mo Free plan✓ 1 of 3 features Visit ToolRoute
Kong AI Gateway #6 in Tool Calling 6.9/10 30-day trial ✓ 0 of 3 features Visit Kong

ToolRoute leads on 2 checks, Kong AI Gateway on 0, and 0 are even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreToolRoute · 7.0/10
  • Free planonly ToolRoute
  • Most featuresToolRoute · 1 of 3

ToolRoute scores higher on our rubric for tool calling: 7.0 against 6.9 out of 10; our editors rank them #5 and #6.

ToolRoute offers free plan; Kong AI Gateway doesn't. ToolRoute offers call observability; Kong AI Gateway doesn't publish it.

ToolRoute is the better fit for teams needing a hosted, multi-protocol tool router. Kong AI Gateway is the better fit for enterprises governing AI, MCP, and A2A traffic.

  • ToolRoute fits best

    Teams needing a hosted, multi-protocol tool router

  • Kong AI Gateway fits best

    Enterprises governing AI, MCP, and A2A traffic

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. It never changes our verdict. How we rank.

Side by side

Feature ToolRoute 7.0/10 Visit ↗ Kong AI Gateway 6.9/10 Visit ↗
At a glance
Editor score 7.0 6.9
Ranking #5 in Tool Calling #6 in Tool Calling
Best for Teams needing a hosted, multi-protocol tool router Enterprises governing AI, MCP, and A2A traffic
Pricing model Free plan + paid Paid
Starting price $29/mo Not published
Free plan ✓ (best) —
Free trial — —
Deployment Cloud Cloud, Self-hosted
Platforms Web Web
Support Community, Email Email, Tickets
Integrations 6 integrations 14 integrations
Built for Solo, Small business, Mid-market Small business, Mid-market, Enterprise
Features ToolRoute 1/3 · Kong AI Gateway 0/3
Parallel tool calls Not published Not published
Structured outputs Not published Not published
Call observability ✓ (best) Not published
Specs
Protocol support Multi_protocol Not published
Deployment Cloud Not published
Tool-choice control Automatic Not published
Authentication methods Api_key Not published
Our review
Pros
  • Routes natural-language requests to tools and executes them through one API.
  • Supports MCP Streamable HTTP, Google A2A, and OpenAI function calling.
  • Works with Claude Code, Cursor, and popular agent frameworks.
  • Routes and load-balances requests across multiple LLM providers.
  • Supports LLM, MCP, and A2A traffic with access and governance controls.
  • Tracks token use, cost, latency, and errors with spend controls.
Cons
  • Free plan is limited to basic tools and test keys.
  • Some providers require you to bring your own API keys.
  • Enterprise costs $299 per month, well above the Pro plan.
  • There is no perpetual free plan; the $0 offer lasts 30 days.
  • Fully self-hosted API gateways are listed as an Enterprise feature.
  • Support channels are email and ticket.
Our verdict

ToolRoute is a hosted gateway for AI agents and applications that need to call third-party tools. It provides a unified API endpoint and can route a natural-language request to a tool for execution. Developers can connect through REST, MCP…

Read the review →

Kong AI Gateway gives platform and infrastructure teams a gateway for managing traffic among applications, agents, MCP servers, and large language model providers. Its tool-calling relevance comes from support for MCP and A2A traffic…

Read the review →
  1. ToolRouteTool Calling 7.0Free plan · paid from $29/mo
  2. Kong AI GatewayTool Calling 6.930-day trial

Strengths and trade-offs

  • ToolRoute — where it wins

    • Routes natural-language requests to tools and executes them through one API.
    • Supports MCP Streamable HTTP, Google A2A, and OpenAI function calling.
    • Works with Claude Code, Cursor, and popular agent frameworks.

    Where it doesn't

    • Free plan is limited to basic tools and test keys.
    • Some providers require you to bring your own API keys.
    • Enterprise costs $299 per month, well above the Pro plan.

  • Kong AI Gateway — where it wins

    • Routes and load-balances requests across multiple LLM providers.
    • Supports LLM, MCP, and A2A traffic with access and governance controls.
    • Tracks token use, cost, latency, and errors with spend controls.

    Where it doesn't

    • There is no perpetual free plan; the $0 offer lasts 30 days.
    • Fully self-hosted API gateways are listed as an Enterprise feature.
    • Support channels are email and ticket.
  • ToolRoute7.0/10 · Free plan · paid from $29/mo

    A hosted router that executes third-party tools across MCP, A2A, and OpenAI formats.

    Visit ToolRouteFull verdict →
  • Kong AI Gateway6.9/10 · 30-day trial

    A gateway for governing AI and tool traffic across models, with routing and spend controls.

    Visit KongFull verdict →

More comparisons

All tool calling comparisons → · Full ranking →

Guides on tool calling

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026

Last updated · How we research and update