Google Gemini 4 Argon vs Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview): Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing Google Gemini 4 Argon (gemini-4-argon) vs Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) (google/gemini-3.1-flash-image-preview). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
Gemini 4 Argon 50% Introductory API Discount ($2/$10) & Google AI Startup Grants
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: Nano Banana 2 (Gemini 3.1 Flash Image Preview) (google/gemini-3.1-flash-image-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 Gemini 4 Argon (API ID: gemini-4-argon) vs Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) (API ID: google/gemini-3.1-flash-image-preview), Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) offers lower standard input pricing at $0.5/1M tokens ($3/1M output), while Google Gemini 4 Argon leads in cached prefix economics at $0.1/1M tokens (95% discount). Google Gemini 4 Argon achieves a 20ms faster P90 time-to-first-token latency (260ms vs 280ms).
Introductory $2/$10 API rate is locked until Nov 30, 2026, after which standard uncached rates rise to $4/$20.
Auto-discovered via live global telemetry registry.
| Specification / FinOps Dimension | Google Gemini 4 Argon | Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | gemini-4-argon | google/gemini-3.1-flash-image-preview | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $2 / $10 | $0.5 / $3 | Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) |
| Cache Read Price (per 1M) | $0.1/1M (95% Off) | $0.25/1M (50% Off) | Google Gemini 4 Argon |
| Context Window / Max Output | 2000K In / 1000K Out | 64K In / 58K Out | Google Gemini 4 Argon |
| P90 First-Token / Edge Latency | 260ms | 280ms | Google Gemini 4 Argon (-20ms) |
Google DeepMind Oct 2026 frontier release featuring a 1,000,000 (1M) output token limit, 95% cache discount ($0.10/1M), and #1 Vals Index & DeepSWE (77.9%).
Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview)
API ID: google/gemini-3.1-flash-image-preview • Live RegistryGemini 3.1 Flash Image Preview, a.k.a. "Nano Banana 2," is Google’s latest state of the art image generation and editing model, delivering Pro-level visual quality at Flash speed.
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 Gemini 4 Argon to Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview)
Gemini 3.1 Flash Image Preview, a.k.a. "Nano Banana 2," is Google’s latest state of the art image generation and editing model, delivering Pro-level visual quality at Flash speed. Verified P90 latency of 280ms.