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: 85%.
Biggest price drops
| Model | Last week | This week | Change | Qubax discount |
|---|---|---|---|---|
| Grok 4.20 Beta | $0.234 | $0.023 | -89.98% | 99% |
| Gemini 3.1 Pro Preview | $0.338 | $0.068 | -80.00% | 97% |
| Claude Opus 4.8 | $4.41 | $1.27 | -71.12% | 87% |
| GPT-5.4 Mini | $0.428 | $0.127 | -70.43% | 85% |
| Kimi K2.5 | $0.035 | $0.013 | -61.47% | 99% |
Biggest price increases
| Model | Last week | This week | Change | Qubax discount |
|---|---|---|---|---|
| DeepSeek R1 | $0.328 | $0.863 | +163.16% | 25% |
| DeepSeek V4 Flash | $0.0063 | $0.016 | +154.33% | 78% |
| GLM 5.2 | $0.034 | $0.086 | +149.38% | 90% |
| DeepSeek V4 Pro | $0.020 | $0.024 | +21.80% | 98% |
| GPT-5.2 | $0.361 | $0.361 | +0.00% | 85% |
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: 2026-09-14 → 2026-09-21. Prices update daily at 08:00 UTC from live marketplace data. Historical charts: [AI Model Price Index](https://qubax.ai/price-index).
