Google: Nano Banana Pro (Gemini 3 Pro Image) vs Google: Gemini 3.1 Pro 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 Google: Gemini 3.1 Pro Preview (google/gemini-3.1-pro-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.
Google: Gemini 3.1 Pro Preview (google/gemini-3.1-pro-preview) — 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 Google: Nano Banana Pro (Gemini 3 Pro Image) (API ID: google/gemini-3-pro-image) vs Google: Gemini 3.1 Pro Preview (API ID: google/gemini-3.1-pro-preview), Google: Nano Banana Pro (Gemini 3 Pro Image) offers lower standard input pricing at $2/1M tokens ($12/1M output), while Google: Nano Banana Pro (Gemini 3 Pro Image) leads in cached prefix economics at $1/1M 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) | Google: Gemini 3.1 Pro Preview | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | google/gemini-3-pro-image | google/gemini-3.1-pro-preview | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $2 / $12 | $2 / $12 | Google: Nano Banana Pro (Gemini 3 Pro Image) |
| Cache Read Price (per 1M) | $1/1M (50% Off) | $1/1M (50% Off) | Google: Nano Banana Pro (Gemini 3 Pro Image) |
| Context Window / Max Output | 128K In / 32K Out | 1024K In / 64K Out | Google: Gemini 3.1 Pro 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
Gemini 3.1 Pro Preview is Google’s frontier reasoning model, delivering enhanced software engineering performance, improved agentic reliability, and more efficient token usage acro
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 Google: Gemini 3.1 Pro Preview
Gemini 3.1 Pro Preview is Google’s frontier reasoning model, delivering enhanced software engineering performance, improved agentic reliability, and more efficient token usage acro Verified P90 latency of 280ms.