Z.ai: GLM 4.7 vs ByteDance Seed: Seed 1.6 Flash: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing Z.ai: GLM 4.7 (z-ai/glm-4.7) vs ByteDance Seed: Seed 1.6 Flash (bytedance-seed/seed-1.6-flash). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
Z.ai: GLM 4.7 (z-ai/glm-4.7) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Z.ai: GLM 4.7: 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.
ByteDance Seed: Seed 1.6 Flash (bytedance-seed/seed-1.6-flash) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for ByteDance Seed: Seed 1.6 Flash: Activate ephemeral prefix caching to slash input costs by 50% (down to $0.0375/1M) or route via asynchronous Batch API for 50% off standard token rates.
In Etuki October 2026 FinOps telemetry comparing Z.ai: GLM 4.7 (API ID: z-ai/glm-4.7) vs ByteDance Seed: Seed 1.6 Flash (API ID: bytedance-seed/seed-1.6-flash), ByteDance Seed: Seed 1.6 Flash offers lower standard input pricing at $0.075/1M tokens ($0.3/1M output), while ByteDance Seed: Seed 1.6 Flash leads in cached prefix economics at $0.0375/1M tokens (50% discount). Z.ai: GLM 4.7 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 | Z.ai: GLM 4.7 | ByteDance Seed: Seed 1.6 Flash | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | z-ai/glm-4.7 | bytedance-seed/seed-1.6-flash | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0.6 / $2.2 | $0.075 / $0.3 | ByteDance Seed: Seed 1.6 Flash |
| Cache Read Price (per 1M) | $0.3/1M (50% Off) | $0.0375/1M (50% Off) | ByteDance Seed: Seed 1.6 Flash |
| Context Window / Max Output | 200K In / 128K Out | 256K In / 32K Out | Z.ai: GLM 4.7 |
| P90 First-Token / Edge Latency | 280ms | 280ms | Z.ai: GLM 4.7 (-0ms) |
GLM-4.7 is Z.ai’s latest flagship model, featuring upgrades in two key areas: enhanced programming capabilities and more stable multi-step reasoning/execution. It demonstrates sign
Seed 1.6 Flash is an ultra-fast multimodal deep thinking model by ByteDance Seed, supporting both text and visual understanding. It features a 256k context window and can generate
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 4.7 to ByteDance Seed: Seed 1.6 Flash
Seed 1.6 Flash is an ultra-fast multimodal deep thinking model by ByteDance Seed, supporting both text and visual understanding. It features a 256k context window and can generate Verified P90 latency of 280ms.