DeepSeek: DeepSeek V4.1 Flash vs Perceptron: Perceptron Mk1.5: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing DeepSeek: DeepSeek V4.1 Flash (deepseek/deepseek-v4.1-flash) vs Perceptron: Perceptron Mk1.5 (perceptron/perceptron-mk1.5). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
DeepSeek: DeepSeek V4.1 Flash (deepseek/deepseek-v4.1-flash) — Automatic Disk KV Cache ($0.0108/1M) & Off-Peak Promo
DeepSeek-V4 Pro (1.6T MoE) automatically caches repeated 64-token prompt prefixes on NVMe storage at $0.07/1M input tokens (50% off $0.14 base) with zero code changes required, plus off-peak UTC scheduling discounts.
Perceptron: Perceptron Mk1.5 (perceptron/perceptron-mk1.5) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Perceptron: Perceptron Mk1.5: Activate ephemeral prefix caching to slash input costs by 50% (down to $0.075/1M) or route via asynchronous Batch API for 50% off standard token rates.
In Etuki October 2026 FinOps telemetry comparing DeepSeek: DeepSeek V4.1 Flash (API ID: deepseek/deepseek-v4.1-flash) vs Perceptron: Perceptron Mk1.5 (API ID: perceptron/perceptron-mk1.5), DeepSeek: DeepSeek V4.1 Flash offers lower standard input pricing at $0.0216/1M tokens ($0.72/1M output), while DeepSeek: DeepSeek V4.1 Flash leads in cached prefix economics at $0.0108/1M tokens (50% discount). DeepSeek: DeepSeek V4.1 Flash achieves a 0ms faster P90 time-to-first-token latency (280ms vs 280ms).
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Auto-discovered via live global telemetry registry.
| Specification / FinOps Dimension | DeepSeek: DeepSeek V4.1 Flash | Perceptron: Perceptron Mk1.5 | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | deepseek/deepseek-v4.1-flash | perceptron/perceptron-mk1.5 | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0.0216 / $0.72 | $0.15 / $1.5 | DeepSeek: DeepSeek V4.1 Flash |
| Cache Read Price (per 1M) | $0.0108/1M (50% Off) | $0.075/1M (50% Off) | DeepSeek: DeepSeek V4.1 Flash |
| Context Window / Max Output | 1024K In / 922K Out | 36K In / 8K Out | DeepSeek: DeepSeek V4.1 Flash |
| P90 First-Token / Edge Latency | 280ms | 280ms | DeepSeek: DeepSeek V4.1 Flash (-0ms) |
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
Perceptron Mk1.5 is Perceptron's embodied reasoning model for physical agents. It accepts text, image, video, and audio input, and answers with text plus optional structured annota
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 DeepSeek: DeepSeek V4.1 Flash to Perceptron: Perceptron Mk1.5
Perceptron Mk1.5 is Perceptron's embodied reasoning model for physical agents. It accepts text, image, video, and audio input, and answers with text plus optional structured annota Verified P90 latency of 280ms.