QPI 20.00 — -27.35% 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 27.53 to 20.00 (-27.35%), 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 |
|---|---|---|---|---|
| DeepSeek R1 | $1.21 | $0.103 | -91.43% | 91% |
| Kimi K2.5 | $0.335 | $0.035 | -89.52% | 96% |
| Grok 4.20 Beta | $0.815 | $0.141 | -82.75% | 91% |
| GPT-5.3 Codex | $1.80 | $0.361 | -79.99% | 93% |
| GPT-5.4 Mini | $0.430 | $0.089 | -79.41% | 90% |
Biggest price increases
| Model | Last week | This week | Change | Qubax discount |
|---|---|---|---|---|
| GLM 5.2 | $0.0071 | $0.046 | +552.65% | 93% |
| Grok 4.1 Fast | $0.258 | $0.346 | +34.01% | -1% |
| Claude Opus 4.8 | $3.52 | $3.60 | +2.14% | 64% |
| DeepSeek V4 Flash | $0.010 | $0.0079 | -21.45% | 92% |
| Llama 3.3 70B | $0.035 | $0.014 | -60.00% | 91% |
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: 2026-08-24 → 2026-08-31. Prices update daily at 08:00 UTC from live marketplace data. Historical charts: [AI Model Price Index](https://qubax.ai/price-index).
