Openrouter Verified Endpoint 548 vs DeepSeek: DeepSeek V4.1 Flash (batch): Live Promos, Pricing, Hidden Fees & Latency
Openrouter Verified Endpoint 548 (openrouter-verified-endpoint-548) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Openrouter Verified Endpoint 548: 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.
DeepSeek: DeepSeek V4.1 Flash (batch) (deepseek/deepseek-v4.1-flash:batch) — Automatic Disk KV Cache (0.005/1M) & Off-Peak Promo
DeepSeek-V4 Pro (1.6T MoE) automatically caches repeated 64-token prompt prefixes on NVMe storage at $0.022/1M off-peak input tokens (vs $0.66 off-peak base) with zero code changes required, plus off-peak UTC scheduling discounts.
In Etuki October 2026 FinOps telemetry comparing Openrouter Verified Endpoint 548 (API ID: openrouter-verified-endpoint-548) vs DeepSeek: DeepSeek V4.1 Flash (batch) (API ID: deepseek/deepseek-v4.1-flash:batch), DeepSeek: DeepSeek V4.1 Flash (batch) offers lower standard input pricing at $0.05/1M tokens ($0.15/1M output), while DeepSeek: DeepSeek V4.1 Flash (batch) leads in cached prefix economics at $0.005/1M tokens (50% discount). Openrouter Verified Endpoint 548 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 548 | DeepSeek: DeepSeek V4.1 Flash (batch) | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | openrouter-verified-endpoint-548 | deepseek/deepseek-v4.1-flash:batch | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0.8 / $3.2 | $0.05 / $0.15 | DeepSeek: DeepSeek V4.1 Flash (batch) |
| Cache Read Price (per 1M) | $0.2/1M (95% Off) | $0.005/1M (50% Off) | DeepSeek: DeepSeek V4.1 Flash (batch) |
| Context Window / Max Output | 1050K In / 128K Out | 1024K In / 375K Out | DeepSeek: DeepSeek V4.1 Flash (batch) |
| P90 First-Token / Edge Latency | 145ms | 280ms | Openrouter Verified Endpoint 548 (-135ms) |
Openrouter Verified Endpoint 548 production API endpoint verified by Etuki FinOps Telemetry with automated prefix caching and multi-region fallback routing.
DeepSeek V4.1 Flash is a sparse mixture-of-experts model from DeepSeek, and the first built on the company's Causal Encoder-Decoder (CED) architecture. It activates 8B parameters o
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 548 to DeepSeek: DeepSeek V4.1 Flash (batch)
DeepSeek V4.1 Flash is a sparse mixture-of-experts model from DeepSeek, and the first built on the company's Causal Encoder-Decoder (CED) architecture. It activates 8B parameters o Verified P90 latency of 280ms.