Z.ai: GLM Latest vs Google: Gemini 3.8 Flash: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing Z.ai: GLM Latest (~z-ai/glm-latest) vs Google: Gemini 3.8 Flash (google/gemini-3.8-flash). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
Z.ai: GLM Latest (~z-ai/glm-latest) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Z.ai: GLM Latest: Activate ephemeral prefix caching to slash input costs by 50% (down to $0.0304/1M) or route via asynchronous Batch API for 50% off standard token rates.
Google: Gemini 3.8 Flash (google/gemini-3.8-flash) — Google AI Startup Credits ($350K) & 50% Cache Promo
Google DeepMind is currently subsidizing Gemini 4 Argon at 50% off standard rates ($2.00/1M input & $10.00/1M output instead of $4/$20) until November 30, 2026, alongside 95% off Context Caching ($0.10/1M) and up to $350,000 in Google for Startups Cloud/Vertex AI credits.
In Etuki October 2026 FinOps telemetry comparing Z.ai: GLM Latest (API ID: ~z-ai/glm-latest) vs Google: Gemini 3.8 Flash (API ID: google/gemini-3.8-flash), Z.ai: GLM Latest offers lower standard input pricing at $0.0608/1M tokens ($4.4/1M output), while Z.ai: GLM Latest leads in cached prefix economics at $0.0304/1M tokens (50% discount). Z.ai: GLM Latest 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 Latest | Google: Gemini 3.8 Flash | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | ~z-ai/glm-latest | google/gemini-3.8-flash | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0.0608 / $4.4 | $0.75 / $3.75 | Z.ai: GLM Latest |
| Cache Read Price (per 1M) | $0.0304/1M (50% Off) | $0.375/1M (50% Off) | Z.ai: GLM Latest |
| Context Window / Max Output | 1024K In / 128K Out | 1024K In / 64K Out | Z.ai: GLM Latest |
| P90 First-Token / Edge Latency | 280ms | 280ms | Z.ai: GLM Latest (-0ms) |
This model always redirects to the latest GLM model from Z.ai.
Gemini 3.8 Flash is Google's most intelligent Flash model with significant gains from 3.7 Flash across software engineering, agentic tasks, and multi-step reasoning.
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 Latest to Google: Gemini 3.8 Flash
Gemini 3.8 Flash is Google's most intelligent Flash model with significant gains from 3.7 Flash across software engineering, agentic tasks, and multi-step reasoning. Verified P90 latency of 280ms.