Openrouter Verified Endpoint 546 vs Z.ai: GLM 5.3 FlashX: Live Promos, Pricing, Hidden Fees & Latency
Openrouter Verified Endpoint 546 (openrouter-verified-endpoint-546) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Openrouter Verified Endpoint 546: 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.
Z.ai: GLM 5.3 FlashX (z-ai/glm-5.3-flashx) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Z.ai: GLM 5.3 FlashX: Activate ephemeral prefix caching to slash input costs by 50% (down to 0.185/1M) or route via asynchronous Batch API for 50% off standard token rates.
In Etuki October 2026 FinOps telemetry comparing Openrouter Verified Endpoint 546 (API ID: openrouter-verified-endpoint-546) vs Z.ai: GLM 5.3 FlashX (API ID: z-ai/glm-5.3-flashx), Z.ai: GLM 5.3 FlashX offers lower standard input pricing at $0.37/1M tokens ($1.25/1M output), while Z.ai: GLM 5.3 FlashX leads in cached prefix economics at $0.185/1M tokens (50% discount). Openrouter Verified Endpoint 546 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 546 | Z.ai: GLM 5.3 FlashX | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | openrouter-verified-endpoint-546 | z-ai/glm-5.3-flashx | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0.8 / $3.2 | $0.37 / $1.25 | Z.ai: GLM 5.3 FlashX |
| Cache Read Price (per 1M) | $0.2/1M (95% Off) | $0.185/1M (50% Off) | Z.ai: GLM 5.3 FlashX |
| Context Window / Max Output | 1050K In / 128K Out | 1024K In / 128K Out | Openrouter Verified Endpoint 546 |
| P90 First-Token / Edge Latency | 145ms | 280ms | Openrouter Verified Endpoint 546 (-135ms) |
Openrouter Verified Endpoint 546 production API endpoint verified by Etuki FinOps Telemetry with automated prefix caching and multi-region fallback routing.
GLM-5.3-FlashX is the high-speed variant of Z.ai's GLM-5.3-Flash, a native multimodal model delivering inference speeds of up to 200 tokens/s. Built on the same hybrid sparse and l
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 546 to Z.ai: GLM 5.3 FlashX
GLM-5.3-FlashX is the high-speed variant of Z.ai's GLM-5.3-Flash, a native multimodal model delivering inference speeds of up to 200 tokens/s. Built on the same hybrid sparse and l Verified P90 latency of 280ms.