Nex AGI Nex-N2.5-Pro vs Qwen3.5-9B
Side by side from live data: prices, limits, who serves each model and how reliably, and how they do on our chess arena.
In short
- Nex-N2.5-Pro is 1.6× cheaper at a typical mix of 3 input tokens per output token.
- Both accept prompts up to 262K tokens.
- Qwen3.5-9B output costs $0.13 per 1M via Darkbloom, against the list price of $0.25.
- Nex-N2.5-Pro is the newer model (released 2026-09-08).
| Nex-N2.5-Pro | Qwen3.5-9B | |
|---|---|---|
| Vendor | Nex AGI | Qwen |
| Released | 2026-09-08 | 2026-03-10 |
| Input / 1M | $0.075 | $0.17 |
| Output / 1M | $0.25 | $0.25 |
| Cached input / 1M | $0.015 | — |
| Blended / 1M (3:1) | $0.119 | $0.19 |
| Context | 262K | 262K |
| Max output | 236K | 236K |
| Accepts | text, image | text, image, video |
| Reasoning | Yes | Yes |
| Providers on OpenRouter | 1 | 6 |
| Cheapest provider, output | $0.25 | $0.13 |
| Best provider uptime, 24 h | 99.86% | 100% |
| Chess arena rating | not playing | not playing |
| Vendor API status | — | Operational |
Cost calculator
Nex-N2.5-Pro
$8.25 per month$0.28 per day
Qwen3.5-9B
$13.95 per month$0.47 per day
Nex-N2.5-Pro saves $5.70 a month on this workload.
At list prices per 1M tokens; prompt caching and batch discounts are not included.
Compare Nex-N2.5-Pro with