Tools

Tool reviews

The gateways, caches, and FinOps layers that make AI savings systematic — honestly reviewed, limitations included.

Context & memory layer

Mitosis Cortex

The cut-spend-at-the-source option: a persistent memory graph over your email, docs, chats, and tools that agents query instead of re-ingesting. ~1/10th cost per agent task and 98%…

Open-source LLM gateway

LiteLLM

The default self-hosted gateway: one OpenAI-compatible proxy across 100+ providers with budgets, caching, routing, fallbacks, and per-key cost tracking. Engineering-led teams shoul…

Managed AI gateway

Portkey

Managed gateway with the strongest built-in semantic caching, plus guardrails, routing, and cost analytics. The low-ops route to the same control points LiteLLM gives you self-host…

Multi-provider model marketplace

OpenRouter

One API and one bill across hundreds of models from every major lab — the fastest way to arbitrage the model price war and A/B cheaper models without new vendor contracts.…

LLM observability & cost tracking

Helicone

Long the default open-source LLM cost dashboard. Acquired by Mintlify in March 2026 and now maintenance-only — existing deployments keep working (security fixes and new-model prici…

Cloud & AI FinOps platform

nOps

Cloud-FinOps platform that extended into AI spend (Bedrock, Azure OpenAI, GPU fleets). The fit when your AI bill is one slice of a larger AWS/Azure bill and finance wants one pane …