Guides · 7 pieces · 48 minutes of reading
Guides
Long-form notes on what LLM APIs cost and how to pay less. Every figure is computed from the index snapshot, and every guide says where the alternatives win.
§ 01
Reviews
One gateway, tested against the index.
§ 02
Explainers
How a price or fee works, with the arithmetic shown.
- OpenRouter Fees Explained: The 5.5% Top-Up Charge and What It CostsHow OpenRouter's 5.5% credit fee works, why small top-ups pay more, what it costs per year at five spend levels, and the providers that avoid it.6 min · 9 Oct 2026
- The Cheapest Way to Use the Claude API in 2026Anthropic direct, OpenRouter and SayGM priced side by side for Claude Opus 5, Sonnet 5 and Haiku 4.5, plus the model, output and caching choices that matter more than the route.7 min · 9 Oct 2026
§ 03
How-to
Step by step, with code and a verification checklist.
- How to Switch From OpenRouter to SayGM: A Migration ChecklistStep by step migration from OpenRouter to SayGM: model audit, keys, base URL diffs for the OpenAI and Anthropic SDKs, model ID mapping, verification and a fallback pattern.8 min · 9 Oct 2026
- How to Cut an LLM API Bill: Five Levers Ranked by ImpactModel choice, gateway, output length, cascades and caching, each priced on the same Claude Sonnet 5 workload so the savings can be compared directly.8 min · 9 Oct 2026
§ 04
Comparisons
Two gateways side by side on price, privacy and lock-in.
- SayGM vs Vercel AI Gateway: Pricing, Privacy and Lock-inSayGM and Vercel AI Gateway compared on token prices, workload costs, privacy model, failover and lock-in, with guidance on when to use each or both.5 min · 9 Oct 2026
- SayGM vs Requesty: Hosted LLM Routers ComparedRequesty and SayGM both route many models through one key. How they differ on fees, per-token prices, privacy, routing features and catalogue.5 min · 9 Oct 2026