DeepSeek: DeepSeek V4 Flash Vision Exp vs Poolside: Laguna XS 2.1: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing DeepSeek: DeepSeek V4 Flash Vision Exp (deepseek/deepseek-v4-flash-vision-exp) vs Poolside: Laguna XS 2.1 (poolside/laguna-xs-2.1). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
DeepSeek: DeepSeek V4 Flash Vision Exp (deepseek/deepseek-v4-flash-vision-exp) — Automatic Disk KV Cache ($0.1078/1M) & 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.
Poolside: Laguna XS 2.1 (poolside/laguna-xs-2.1) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Poolside: Laguna XS 2.1: Activate ephemeral prefix caching to slash input costs by 50% (down to $0.03/1M) or route via asynchronous Batch API for 50% off standard token rates.
In Etuki October 2026 FinOps telemetry comparing DeepSeek: DeepSeek V4 Flash Vision Exp (API ID: deepseek/deepseek-v4-flash-vision-exp) vs Poolside: Laguna XS 2.1 (API ID: poolside/laguna-xs-2.1), Poolside: Laguna XS 2.1 offers lower standard input pricing at $0.06/1M tokens ($0.12/1M output), while Poolside: Laguna XS 2.1 leads in cached prefix economics at $0.03/1M tokens (50% discount). DeepSeek: DeepSeek V4 Flash Vision Exp achieves a 0ms faster P90 time-to-first-token latency (280ms vs 280ms).
Auto-discovered via live global telemetry registry.
Auto-discovered via live global telemetry registry.
| Specification / FinOps Dimension | DeepSeek: DeepSeek V4 Flash Vision Exp | Poolside: Laguna XS 2.1 | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | deepseek/deepseek-v4-flash-vision-exp | poolside/laguna-xs-2.1 | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0.2156 / $0.6468 | $0.06 / $0.12 | Poolside: Laguna XS 2.1 |
| Cache Read Price (per 1M) | $0.1078/1M (50% Off) | $0.03/1M (50% Off) | Poolside: Laguna XS 2.1 |
| Context Window / Max Output | 1024K In / 256K Out | 256K In / 32K Out | DeepSeek: DeepSeek V4 Flash Vision Exp |
| P90 First-Token / Edge Latency | 280ms | 280ms | DeepSeek: DeepSeek V4 Flash Vision Exp (-0ms) |
DeepSeek: DeepSeek V4 Flash Vision Exp
API ID: deepseek/deepseek-v4-flash-vision-exp • Live RegistryDeepSeek V4 Flash Vision Exp is an experimental vision-enabled version of [DeepSeek V4 Flash 0731](https://openrouter.ai/deepseek/deepseek-v4-flash-0731) from DeepSeek, adding imag
Laguna XS 2.1 is the latest coding agent model in the 33B-A3B category from [Poolside](https://poolside.ai/) and a step forward from their Laguna XS.2 model (released in April 2026
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 Flash Vision Exp to Poolside: Laguna XS 2.1
Laguna XS 2.1 is the latest coding agent model in the 33B-A3B category from [Poolside](https://poolside.ai/) and a step forward from their Laguna XS.2 model (released in April 2026 Verified P90 latency of 280ms.