QPI 15.21 — +42.28% 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 10.69 to 15.21 (+42.28%), meaning the median basket model now costs 85% less on Qubax than on OpenRouter.
Average discount vs OpenRouter across the basket: 71%.
Biggest price drops
| Model | Last week | This week | Change | Qubax discount |
|---|---|---|---|---|
| Llama 3.3 70B | $0.034 | $0.029 | -14.09% | 81% |
| GPT-5.3 Codex | $0.210 | $0.196 | -6.80% | 96% |
| Qwen 3 235B A22B Instruct 2507 | $0.0065 | $0.0061 | -5.43% | 96% |
| Kimi K2.5 | $0.013 | $0.012 | -4.23% | 99% |
| GPT-5.4 | $0.215 | $0.206 | -3.86% | 93% |
Biggest price increases
| Model | Last week | This week | Change | Qubax discount |
|---|---|---|---|---|
| Gemini 3.1 Pro Preview | $0.068 | $1.67 | +2380.00% | 26% |
| DeepSeek V4 Pro | $0.076 | $0.137 | +79.49% | 75% |
| Grok 4.20 Beta | $0.239 | $0.423 | +76.80% | 73% |
| Claude Sonnet 4.5 | $1.62 | $2.75 | +69.28% | 54% |
| DeepSeek V4 Flash | $0.075 | $0.116 | +55.46% | -76% |
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: 2026-10-19 → 2026-10-26. Prices update daily at 08:00 UTC from live marketplace data. Historical charts: [AI Model Price Index](https://qubax.ai/price-index).
