QPI 16.97 — +12.09% 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 flagship AI models — 100 is parity, below 100 is cheaper. This week the index moved from 15.14 to 16.97 (+12.09%), meaning the median basket model now costs 83% less on Qubax than on OpenRouter.
Average discount vs OpenRouter across the basket: 62%.
Biggest price drops
| Model | Last week | This week | Change | Qubax discount |
|---|---|---|---|---|
| GLM 5.2 | $0.236 | $0.034 | -85.38% | 93% |
| DeepSeek V4 Pro | $0.094 | $0.058 | -38.34% | 81% |
| Gemini 3.1 Pro Preview | $0.344 | $0.270 | -21.51% | 88% |
| DeepSeek R1 | $0.863 | $0.716 | -17.00% | 38% |
| Grok 4.20 Beta | $0.234 | $0.202 | -13.87% | 85% |
Biggest price increases
| Model | Last week | This week | Change | Qubax discount |
|---|---|---|---|---|
| GPT-5.4 | $0.422 | $1.60 | +280.21% | 43% |
| GPT-5.4 Mini | $0.126 | $0.380 | +200.71% | 55% |
| DeepSeek V4 Flash | $0.036 | $0.071 | +100.12% | -71% |
| GPT-4o | $0.168 | $0.310 | +84.46% | 93% |
| Grok 4.1 Fast | $0.258 | $0.317 | +22.80% | -50% |
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: 2026-10-05 → 2026-10-12. Prices update daily at 08:00 UTC from live marketplace data. Historical charts: [AI Model Price Index](https://qubax.ai/price-index).