QPI 19.60 — +9.62% 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 17.88 to 19.60 (+9.62%), meaning the median basket model now costs 80% less on Qubax than on OpenRouter.
Average discount vs OpenRouter across the basket: 63%.
Biggest price drops
| Model | Last week | This week | Change | Qubax discount |
|---|---|---|---|---|
| DeepSeek R1 | $1.26 | $0.648 | -48.41% | -50% |
| Claude Sonnet 4.5 | $2.75 | $1.92 | -30.07% | 68% |
| GPT-5.2 | $0.430 | $0.383 | -11.08% | 84% |
| Gemini 3.1 Pro Preview | $1.34 | $1.27 | -5.73% | 44% |
| GPT-5.4 Mini | $0.253 | $0.248 | -2.26% | 71% |
Biggest price increases
| Model | Last week | This week | Change | Qubax discount |
|---|---|---|---|---|
| DeepSeek V4 Pro | $0.137 | $0.446 | +225.81% | 57% |
| GPT-5.3 Codex | $0.196 | $0.604 | +208.57% | 87% |
| Claude Opus 4.8 | $1.25 | $3.37 | +168.80% | 66% |
| DeepSeek V4 Flash | $0.099 | $0.137 | +37.92% | -80% |
| Llama 3.3 70B | $0.029 | $0.030 | +4.61% | 80% |
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: 2026-10-26 → 2026-11-02. Prices update daily at 08:00 UTC from live marketplace data. Historical charts: [AI Model Price Index](https://qubax.ai/price-index).
