Google Gemini 4 Argon vs Qwen: Qwen3.5 Plus 2026-02-15: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing Google Gemini 4 Argon (gemini-4-argon) vs Qwen: Qwen3.5 Plus 2026-02-15 (qwen/qwen3.5-plus-02-15). 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.
Qwen: Qwen3.5 Plus 2026-02-15 (qwen/qwen3.5-plus-02-15) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Qwen: Qwen3.5 Plus 2026-02-15: Activate ephemeral prefix caching to slash input costs by 50% (down to $0.13/1M) or route via asynchronous Batch API for 50% off standard token rates.
In Etuki October 2026 FinOps telemetry comparing Google Gemini 4 Argon (API ID: gemini-4-argon) vs Qwen: Qwen3.5 Plus 2026-02-15 (API ID: qwen/qwen3.5-plus-02-15), Qwen: Qwen3.5 Plus 2026-02-15 offers lower standard input pricing at $0.26/1M tokens ($1.56/1M 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 | Qwen: Qwen3.5 Plus 2026-02-15 | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | gemini-4-argon | qwen/qwen3.5-plus-02-15 | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $2 / $10 | $0.26 / $1.56 | Qwen: Qwen3.5 Plus 2026-02-15 |
| Cache Read Price (per 1M) | $0.1/1M (95% Off) | $0.13/1M (50% Off) | Google Gemini 4 Argon |
| Context Window / Max Output | 2000K In / 1000K Out | 977K In / 64K 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%).
The Qwen3.5 native vision-language series Plus models are built on a hybrid architecture that integrates linear attention mechanisms with sparse mixture-of-experts models, achievin
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 Qwen: Qwen3.5 Plus 2026-02-15
The Qwen3.5 native vision-language series Plus models are built on a hybrid architecture that integrates linear attention mechanisms with sparse mixture-of-experts models, achievin Verified P90 latency of 280ms.