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G8
Self-hosted API gateway and AI gateway
Table of Contents
G8 - 2026 Pricing, Features, Reviews & Alternatives
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Last updated: October 2026
G8 overview
What is G8?
G8 sits in front of your APIs and your LLM traffic, on servers you run. It is meant for organizations that keep that traffic in their own infrastructure, so it also works in networks with no internet access.
For APIs, each route carries its own identity check and rate limit, plus caching and traffic rules where you need them. Analytics and Traffic Explorer read from your own Prometheus and Elasticsearch or OpenSearch, so any call can be looked up as a record.
For LLM traffic, the route picks the provider. When Anthropic used up its token budget in our lab, the next requests went to the fallback provider with no change in the app, and each answer's record named the provider that gave it. Existing REST APIs can also be offered to AI agents as MCP tools, generated from their OpenAPI documents.
There is a free Community edition. Enterprise and Enterprise AI are licensed per gateway node.
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G8’s user interface
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G8's key features
Most critical features, based on insights from G8 users:
All G8 features
G8 alternatives
G8
Starting from
Free
Microsoft Azure
Starting from
0
Per month
MuleSoft Anypoint Platform
Starting from
Free
Postman
Starting from
15
Per month
G8 pricing
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