Z.ai: GLM 4.5 vs DeepSeek: DeepSeek V4 Flash Vision Exp: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing Z.ai: GLM 4.5 (z-ai/glm-4.5) vs DeepSeek: DeepSeek V4 Flash Vision Exp (deepseek/deepseek-v4-flash-vision-exp). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
Z.ai: GLM 4.5 (z-ai/glm-4.5) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Z.ai: GLM 4.5: Activate ephemeral prefix caching to slash input costs by 50% (down to $0.3/1M) or route via asynchronous Batch API for 50% off standard token rates.
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.
In Etuki October 2026 FinOps telemetry comparing Z.ai: GLM 4.5 (API ID: z-ai/glm-4.5) vs DeepSeek: DeepSeek V4 Flash Vision Exp (API ID: deepseek/deepseek-v4-flash-vision-exp), DeepSeek: DeepSeek V4 Flash Vision Exp offers lower standard input pricing at $0.2156/1M tokens ($0.6468/1M output), while DeepSeek: DeepSeek V4 Flash Vision Exp leads in cached prefix economics at $0.1078/1M tokens (50% discount). Z.ai: GLM 4.5 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 | Z.ai: GLM 4.5 | DeepSeek: DeepSeek V4 Flash Vision Exp | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | z-ai/glm-4.5 | deepseek/deepseek-v4-flash-vision-exp | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0.6 / $2.2 | $0.2156 / $0.6468 | DeepSeek: DeepSeek V4 Flash Vision Exp |
| Cache Read Price (per 1M) | $0.3/1M (50% Off) | $0.1078/1M (50% Off) | DeepSeek: DeepSeek V4 Flash Vision Exp |
| Context Window / Max Output | 128K In / 96K Out | 1024K In / 256K Out | DeepSeek: DeepSeek V4 Flash Vision Exp |
| P90 First-Token / Edge Latency | 280ms | 280ms | Z.ai: GLM 4.5 (-0ms) |
GLM-4.5 is our latest flagship foundation model, purpose-built for agent-based applications. It leverages a Mixture-of-Experts (MoE) architecture and supports a context length of u
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
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 Z.ai: GLM 4.5 to DeepSeek: DeepSeek V4 Flash Vision Exp
DeepSeek 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 Verified P90 latency of 280ms.