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: 70%.
Biggest price drops
| Model | Last week | This week | Change | Qubax discount |
|---|---|---|---|---|
| GPT-5.2 | $0.361 | $0.181 | -49.84% | 92% |
| Claude Sonnet 4.5 | $2.25 | $1.56 | -30.67% | 74% |
| GPT-4o | $0.194 | $0.168 | -13.32% | 96% |
| Llama 3.3 70B | $0.034 | $0.029 | -13.31% | 81% |
| GPT-5.3 Codex | $0.361 | $0.313 | -13.31% | 94% |
Biggest price increases
| Model | Last week | This week | Change | Qubax discount |
|---|---|---|---|---|
| Gemini 3.1 Pro Preview | $0.068 | $1.41 | +1986.42% | 37% |
| Grok 4.20 Beta | $0.023 | $0.203 | +765.28% | 87% |
| GLM 5.2 | $0.086 | $0.707 | +726.37% | 17% |
| Grok 4.1 Fast | $0.052 | $0.223 | +333.25% | -30% |
| DeepSeek V4 Pro | $0.024 | $0.100 | +311.00% | 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: 2026-09-21 → 2026-09-28. Prices update daily at 08:00 UTC from live marketplace data. Historical charts: [AI Model Price Index](https://qubax.ai/price-index).
