QPI 27.53 — -36.74% 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 43.52 to 27.53 (-36.74%), meaning the median basket model now costs 72% less on Qubax than on OpenRouter.
Average discount vs OpenRouter across the basket: 69%.
Biggest price drops
| Model | Last week | This week | Change | Qubax discount |
|---|---|---|---|---|
| GPT-5.4 | $2.47 | $0.754 | -69.51% | 87% |
| DeepSeek V4 Flash | $0.031 | $0.0095 | -69.00% | 91% |
| Qwen 3 235B A22B Instruct 2507 | $0.053 | $0.017 | -68.18% | 92% |
| GLM 5.2 | $0.020 | $0.0071 | -65.08% | 100% |
| GPT-4o | $1.97 | $0.780 | -60.36% | 82% |
Biggest price increases
| Model | Last week | This week | Change | Qubax discount |
|---|---|---|---|---|
| Llama 3.3 70B | $0.023 | $0.035 | +50.00% | 78% |
| DeepSeek V4 Pro | $0.124 | $0.145 | +17.63% | 85% |
| Grok 4.20 Beta | $0.738 | $0.815 | +10.45% | 48% |
| DeepSeek R1 | $1.21 | $1.21 | +0.10% | -5% |
| GPT-5.3 Codex | $1.80 | $1.80 | +0.05% | 63% |
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: 2026-08-17 → 2026-08-24. Prices update daily at 08:00 UTC from live marketplace data. Historical charts: [AI Model Price Index](https://qubax.ai/price-index).
