Tencent: Hy3 vs Z.ai: GLM 5.3 Flash: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing Tencent: Hy3 (tencent/hy3) vs Z.ai: GLM 5.3 Flash (z-ai/glm-5.3-flash). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
Tencent: Hy3 (tencent/hy3) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Tencent: Hy3: Activate ephemeral prefix caching to slash input costs by 50% (down to $0.066/1M) or route via asynchronous Batch API for 50% off standard token rates.
Z.ai: GLM 5.3 Flash (z-ai/glm-5.3-flash) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Z.ai: GLM 5.3 Flash: 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 Tencent: Hy3 (API ID: tencent/hy3) vs Z.ai: GLM 5.3 Flash (API ID: z-ai/glm-5.3-flash), Tencent: Hy3 offers lower standard input pricing at $0.132/1M tokens ($0.528/1M output), while Tencent: Hy3 leads in cached prefix economics at $0.066/1M tokens (50% discount). Tencent: Hy3 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 | Tencent: Hy3 | Z.ai: GLM 5.3 Flash | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | tencent/hy3 | z-ai/glm-5.3-flash | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0.132 / $0.528 | $0.15 / $0.5 | Tencent: Hy3 |
| Cache Read Price (per 1M) | $0.066/1M (50% Off) | $0.075/1M (50% Off) | Tencent: Hy3 |
| Context Window / Max Output | 256K In / 125K Out | 1024K In / 922K Out | Z.ai: GLM 5.3 Flash |
| P90 First-Token / Edge Latency | 280ms | 280ms | Tencent: Hy3 (-0ms) |
Hy3 is a 295B-parameter Mixture-of-Experts model from Tencent (21B active, 192 experts with top-8 routing) built for reasoning, agentic workflows, and real-world production use. It
GLM-5.3-Flash is a native multimodal model from Z.ai. It is suited for efficient coding and long-horizon agent tasks. Its hybrid sparse and linear attention architecture maintains
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 Tencent: Hy3 to Z.ai: GLM 5.3 Flash
GLM-5.3-Flash is a native multimodal model from Z.ai. It is suited for efficient coding and long-horizon agent tasks. Its hybrid sparse and linear attention architecture maintains Verified P90 latency of 280ms.