Tencent: Hy4 preview vs Google: Gemini 3.5 Flash Lite (batch): Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing Tencent: Hy4 preview (tencent/hy4-preview) vs Google: Gemini 3.5 Flash Lite (batch) (google/gemini-3.5-flash-lite:batch). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
Tencent: Hy4 preview (tencent/hy4-preview) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Tencent: Hy4 preview: Activate ephemeral prefix caching to slash input costs by 50% (down to $0.417/1M) or route via asynchronous Batch API for 50% off standard token rates.
Google: Gemini 3.5 Flash Lite (batch) (google/gemini-3.5-flash-lite:batch) — 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 Tencent: Hy4 preview (API ID: tencent/hy4-preview) vs Google: Gemini 3.5 Flash Lite (batch) (API ID: google/gemini-3.5-flash-lite:batch), Google: Gemini 3.5 Flash Lite (batch) offers lower standard input pricing at $0.15/1M tokens ($1.25/1M output), while Google: Gemini 3.5 Flash Lite (batch) leads in cached prefix economics at $0.075/1M tokens (50% discount). Tencent: Hy4 preview 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: Hy4 preview | Google: Gemini 3.5 Flash Lite (batch) | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | tencent/hy4-preview | google/gemini-3.5-flash-lite:batch | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0.834 / $2.501 | $0.15 / $1.25 | Google: Gemini 3.5 Flash Lite (batch) |
| Cache Read Price (per 1M) | $0.417/1M (50% Off) | $0.075/1M (50% Off) | Google: Gemini 3.5 Flash Lite (batch) |
| Context Window / Max Output | 1024K In / 63K Out | 1024K In / 64K Out | Google: Gemini 3.5 Flash Lite (batch) |
| P90 First-Token / Edge Latency | 280ms | 280ms | Tencent: Hy4 preview (-0ms) |
Tencent: Hy4 preview is a mixture-of-experts model from Tencent, with 49B active parameters out of 770B total. It is designed for coding agents, complex tool-use workflows, and pro
Gemini 3.5 Flash Lite is a high-efficiency model from Google with upgraded agentic capabilities. It is suited for subagents that execute focused tasks within complex, multi-agent w
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: Hy4 preview to Google: Gemini 3.5 Flash Lite (batch)
Gemini 3.5 Flash Lite is a high-efficiency model from Google with upgraded agentic capabilities. It is suited for subagents that execute focused tasks within complex, multi-agent w Verified P90 latency of 280ms.