QPI 20.00 — +0.00% week over week
The Qubax AI Model Price Index (QPI) shows Qubax's blended price (75% input / 25% output) as a percentage of OpenRouter's price for a fixed basket of 20 flagship AI models — 100 is parity, below 100 is cheaper. This week the index moved from 20.00 to 20.00 (+0.00%), meaning the median basket model now costs 80% less on Qubax than on OpenRouter.
Average discount vs OpenRouter across the basket: 73%.
Biggest price drops
| Model | Last week | This week | Change | Qubax discount |
|---|---|---|---|---|
| Grok 4.1 Fast | $0.346 | $0.052 | -85.07% | -50% |
| Gemini 3 Flash Preview | $0.101 | $0.034 | -66.67% | 94% |
| DeepSeek V4 Pro | $0.048 | $0.020 | -58.84% | 98% |
| Gemini 3.1 Pro Preview | $0.405 | $0.338 | -16.67% | 85% |
| DeepSeek V4 Flash | $0.0075 | $0.0063 | -14.77% | 93% |
Biggest price increases
| Model | Last week | This week | Change | Qubax discount |
|---|---|---|---|---|
| GPT-5.4 | $0.084 | $1.60 | +1800.00% | 43% |
| GPT-5.4 Mini | $0.025 | $0.476 | +1780.99% | 44% |
| GPT-5.2 | $0.072 | $0.433 | +500.00% | 82% |
| GPT-5.3 Codex | $0.072 | $0.361 | +399.69% | 93% |
| Claude Sonnet 4.5 | $0.540 | $2.70 | +399.51% | 55% |
How to read this
- QPI — Qubax blended price as % of OpenRouter's price (median across the basket). 100 = parity; lower = cheaper.
- Blended price — the price of a 3:1 input/output token mix, per 1M tokens.
- Change — week-over-week percentage change in blended price.
- Benchmark prices are OpenRouter list prices. Full methodology: QPI Methodology.
Data window: 2026-09-07 → 2026-09-14. Prices update daily at 08:00 UTC from live marketplace data. Historical charts: [AI Model Price Index](https://qubax.ai/price-index).
