GoModel – an open-source AI gateway in Go

Hi, I’m Jakub, a solo founder based in Warsaw.I’ve been building GoModel since December with a couple of contributors. It's an open-source AI gateway that sits between your app and model providers like OpenAI, Anthropic or others.I built it for my startup to solve a few problems: - track AI usage and cost per client or team - switch models without changing app code - debug request flows more easily - reduce AI spendings with exact and semantic caching How is it different? - ~17MB docker image - LiteLLM's image is more than 44x bigger ("docker.litellm.ai/berriai/litellm:latest" ~ 746 MB on amd64) - request workflow is visible and easy to inspect - config is environment-variable-first by default I'm posting now partly because of the recent LiteLLM supply-chain attack. Their team handled it impressively well, but some people are looking at alternatives anyway, and GoModel is one.Website: https://gomodel.enterpilot.ioAny feedback is appreciated.

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FL score

62

out of 100

Verdict

VALIDATE

high confidence

Competition

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Trend

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A lightweight Go-based AI gateway that competes on Docker image size and debuggability against LiteLLM, but needs to prove it solves real problems better than the incumbent.

The pain

Teams using multiple AI model providers face three concrete problems: (1) they can't easily track spending and usage per customer or internal team, (2) switching models requires code changes, (3) debugging API interactions is tedious. LiteLLM solves these but ships a 746MB Docker image and had a recent supply-chain incident.

The gap

LiteLLM dominates the AI gateway space with 10k+ GitHub stars and established adoption. GoModel is smaller and faster to deploy, but hasn't demonstrated that these technical advantages translate to customer preference or willingness to switch. The supply-chain attack creates a narrow window of opportunity, but that window closes as LiteLLM's reputation recovers.

Build angle

Start by validating that the 17MB vs 746MB difference actually matters to paying customers, specifically, which teams have deployment constraints that make LiteLLM's size a blocker. Then build distribution through DevOps and platform engineering communities where image size and observability are valued. Avoid competing on feature parity; instead, own the 'lightweight + debuggable' positioning and build integrations that make switching from LiteLLM frictionless.

Strengths

  • Technical differentiation is real: 44x smaller Docker image reduces deployment friction and attack surface
  • Environment-variable-first config is pragmatic for containerized deployments
  • Timing captures LiteLLM skepticism without requiring the product to be perfect
  • Solo founder with working code and contributors shows execution ability
  • Go language choice aligns with DevOps/infrastructure tooling preferences

Risks

  • LiteLLM is entrenched with massive community and ecosystem; switching costs are high for existing users
  • No evidence of paying customers or product-market fit, open-source adoption ≠ commercial viability
  • Feature set appears to match LiteLLM's core offering; unclear what GoModel does better beyond size and debuggability
  • Solo founder scaling a developer tool requires sales and marketing skills that aren't demonstrated
  • Supply-chain attack window is temporary; LiteLLM will recover trust within 6-12 months, eliminating the main acquisition lever
  • Semantic caching and cost tracking are table-stakes features, not differentiators
  • No pricing model or business strategy mentioned; unclear if this becomes a company or stays a hobby project

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