Google: Nano Banana Pro (Gemini 3 Pro Image) vs Tencent: Hy4 preview: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing Google: Nano Banana Pro (Gemini 3 Pro Image) (google/gemini-3-pro-image) vs Tencent: Hy4 preview (tencent/hy4-preview). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
Google: Nano Banana Pro (Gemini 3 Pro Image) (google/gemini-3-pro-image) — 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.
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.
In Etuki October 2026 FinOps telemetry comparing Google: Nano Banana Pro (Gemini 3 Pro Image) (API ID: google/gemini-3-pro-image) vs Tencent: Hy4 preview (API ID: tencent/hy4-preview), Tencent: Hy4 preview offers lower standard input pricing at $0.834/1M tokens ($2.501/1M output), while Tencent: Hy4 preview leads in cached prefix economics at $0.417/1M tokens (50% discount). Google: Nano Banana Pro (Gemini 3 Pro Image) 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 | Google: Nano Banana Pro (Gemini 3 Pro Image) | Tencent: Hy4 preview | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | google/gemini-3-pro-image | tencent/hy4-preview | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $2 / $12 | $0.834 / $2.501 | Tencent: Hy4 preview |
| Cache Read Price (per 1M) | $1/1M (50% Off) | $0.417/1M (50% Off) | Tencent: Hy4 preview |
| Context Window / Max Output | 128K In / 32K Out | 1024K In / 63K Out | Tencent: Hy4 preview |
| P90 First-Token / Edge Latency | 280ms | 280ms | Google: Nano Banana Pro (Gemini 3 Pro Image) (-0ms) |
Nano Banana Pro is Google’s most advanced image-generation and editing model, built on Gemini 3 Pro. It extends the original Nano Banana with significantly improved multimodal reas
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
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 Google: Nano Banana Pro (Gemini 3 Pro Image) to Tencent: Hy4 preview
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 Verified P90 latency of 280ms.