Openrouter Verified Endpoint 481 vs Z.ai: GLM 4.6: Live Promos, Pricing, Hidden Fees & Latency
Openrouter Verified Endpoint 481 (openrouter-verified-endpoint-481) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Openrouter Verified Endpoint 481: 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 4.6 (z-ai/glm-4.6) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Z.ai: GLM 4.6: Activate ephemeral prefix caching to slash input costs by 50% (down to 0.275/1M) or route via asynchronous Batch API for 50% off standard token rates.
In Etuki October 2026 FinOps telemetry comparing Openrouter Verified Endpoint 481 (API ID: openrouter-verified-endpoint-481) vs Z.ai: GLM 4.6 (API ID: z-ai/glm-4.6), Z.ai: GLM 4.6 offers lower standard input pricing at $0.55/1M tokens ($2.2/1M output), while Openrouter Verified Endpoint 481 leads in cached prefix economics at $0.2/1M tokens (95% discount). Openrouter Verified Endpoint 481 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 481 | Z.ai: GLM 4.6 | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | openrouter-verified-endpoint-481 | z-ai/glm-4.6 | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0.8 / $3.2 | $0.55 / $2.2 | Z.ai: GLM 4.6 |
| Cache Read Price (per 1M) | $0.2/1M (95% Off) | $0.275/1M (50% Off) | Openrouter Verified Endpoint 481 |
| Context Window / Max Output | 1050K In / 128K Out | 200K In / 128K Out | Openrouter Verified Endpoint 481 |
| P90 First-Token / Edge Latency | 145ms | 280ms | Openrouter Verified Endpoint 481 (-135ms) |
Openrouter Verified Endpoint 481 production API endpoint verified by Etuki FinOps Telemetry with automated prefix caching and multi-region fallback routing.
Compared with GLM-4.5, this generation brings several key improvements: Longer context window: The context window has been expanded from 128K to 200K tokens, enabling the model to
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 481 to Z.ai: GLM 4.6
Compared with GLM-4.5, this generation brings several key improvements: Longer context window: The context window has been expanded from 128K to 200K tokens, enabling the model to Verified P90 latency of 280ms.