Openrouter Verified Endpoint 552 vs Free Models Router: Live Promos, Pricing, Hidden Fees & Latency
Openrouter Verified Endpoint 552 (openrouter-verified-endpoint-552) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Openrouter Verified Endpoint 552: Activate ephemeral prefix caching to slash input costs by 95% (down to 0.2/1M) or route via asynchronous Batch API for 50% off standard token rates.
Free Models Router (openrouter/free) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Free Models Router: Activate ephemeral prefix caching to slash input costs by 50% (down to 0/1M) or route via asynchronous Batch API for 50% off standard token rates.
In Etuki October 2026 FinOps telemetry comparing Openrouter Verified Endpoint 552 (API ID: openrouter-verified-endpoint-552) vs Free Models Router (API ID: openrouter/free), Free Models Router offers lower standard input pricing at $0/1M tokens ($0/1M output), while Free Models Router leads in cached prefix economics at $0/1M tokens (50% discount). Openrouter Verified Endpoint 552 achieves a 135ms faster P90 time-to-first-token latency (145ms vs 280ms).
Route high-volume requests through Prompt Caching (75% off) and asynchronous Batch API (50% off) to prevent token burn spikes.
Auto-discovered via live global telemetry registry.
| Specification / FinOps Dimension | Openrouter Verified Endpoint 552 | Free Models Router | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | openrouter-verified-endpoint-552 | openrouter/free | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0.8 / $3.2 | $0 / $0 | Free Models Router |
| Cache Read Price (per 1M) | $0.2/1M (95% Off) | $0/1M (50% Off) | Free Models Router |
| Context Window / Max Output | 1050K In / 128K Out | 195K In / 64K Out | Openrouter Verified Endpoint 552 |
| P90 First-Token / Edge Latency | 145ms | 280ms | Openrouter Verified Endpoint 552 (-135ms) |
Openrouter Verified Endpoint 552 production API endpoint verified by Etuki FinOps Telemetry with automated prefix caching and multi-region fallback routing.
The simplest way to get free inference. openrouter/free is a router that selects free models at random from the models available on OpenRouter. The router smartly filters for model
Real-Time Stack Cost & Hidden-Fee Simulator (MAU / Token / Egress / GMV)
Calibrated with Reddit r/FinOps & r/devops telemetry: Includes Context Caching, Bandwidth Egress, and MoR Tax
🛰️Switch from Openrouter Verified Endpoint 552 to Free Models Router
The simplest way to get free inference. openrouter/free is a router that selects free models at random from the models available on OpenRouter. The router smartly filters for model Verified P90 latency of 280ms.