Google Gemini 3.0 Flash vs Google Gemini 4 Argon: Live Promos, Pricing, Hidden Fees & Latency
Google Gemini 3.0 Flash (google/gemini-3.0-flash) — Google AI Startup Credits ($350K) & 95% 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.
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.
In Etuki October 2026 FinOps telemetry comparing Google Gemini 3.0 Flash (API ID: google/gemini-3.0-flash) vs Google Gemini 4 Argon (API ID: gemini-4-argon), Google Gemini 3.0 Flash offers lower standard input pricing at $1/1M tokens ($5/1M output), while Google Gemini 4 Argon leads in cached prefix economics at $0.1/1M tokens (95% discount). Google Gemini 4 Argon achieves a 15ms faster P90 time-to-first-token latency (130ms vs 145ms).
Prompts exceeding 200K tokens incur 2x tier pricing unless pinned via Google AI Studio Context Caching (75% off).
⚠️ Time-Limited Intro Pricing Alert: The $2.00/$10.00 (Cache $0.10) rate expires on 2026-11-30! Starting 2026-12-01, standard pricing doubles to $4.00/$20.00 (Cache $0.20).
| Specification / FinOps Dimension | Google Gemini 3.0 Flash | Google Gemini 4 Argon | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | google/gemini-3.0-flash | gemini-4-argon | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $1 / $5 | $2 / $10 | Google Gemini 3.0 Flash |
| Cache Read Price (per 1M) | $0.25/1M (95% Off) | $0.1/1M (95% Off) | Google Gemini 4 Argon |
| Context Window / Max Output | 1050K In / 128K Out | 1000K In / 1000K Out | Google Gemini 4 Argon |
| P90 First-Token / Edge Latency | 145ms | 130ms | Google Gemini 4 Argon (-15ms) |
Google Gemini 3.0 Flash is Google DeepMind's native multimodal frontier model supporting up to 2M context tokens and implicit context caching.
Google Oct 1, 2026 multimodal flagship currently at $2/$10 (Cache $0.10/1M) Time-Limited Intro Price through Nov 30, 2026; increases to $4/$20 (Cache $0.20) on Dec 1, 2026.
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 3.0 Flash to Google Gemini 4 Argon
Google Oct 1, 2026 multimodal flagship currently at $2/$10 (Cache $0.10/1M) Time-Limited Intro Price through Nov 30, 2026; increases to $4/$20 (Cache $0.20) on Dec 1, 2026. Verified P90 latency of 130ms.