AI Model Atlas / Nex agi
Nex-N2.5-Pro
One million input tokens cost $0.075 and one million output tokens $0.25. Context window: 262k tokens, about 437 A4 pages.
What it costs in practice
Pricing per million tokens doesn't mean anything to anyone, so I convert it to three tasks that people actually give to models. The usage assumptions are listed for each row so you can verify them.
| Task | Input | Output | Cost |
|---|---|---|---|
| 1500-word articlebrief plus finished text in English | 1,500 tokens | 2,200 tokens | $0.0007 |
| 100 chat queries700 tokens per question and 400 per answer | 70,000 tokens | 40,000 tokens | $0.02 |
| Hour of work with an agentagent reads repository and writes fixes | 250,000 tokens | 30,000 tokens | $0.03 |
Technical details
| Provider | Nex agi |
| Modalities | text + image → text |
| Context window | 262k tokens (~437 A4 pages) |
| Maximum response | 236k tokens |
| Step-by-step reasoning | yes |
| Tool calling | yes |
| Forced JSON format | no |
| Knowledge cutoff | not specified |
| Cache read | $0.015 per million |
| Content moderation | no extra filter |
How it compares to the rest
The database contains 469 models. In terms of input pricing Nex-N2.5-Pro is more expensive than 12 percent of paid models. A longer context window is available in 253 models.
Input price history
2026-09-22 · $0.0752026-11-11 · $0.075
The chart shows the price of a million input tokens on consecutive measurement days. History starts on the day I launched the atlas and grows with each day. I don't backfill data.
Alternatives at a similar price
Models from other providers whose cost for the same article comes out closest.
| Model | Input / M | Output / M | 1500-word article | Context |
|---|---|---|---|---|
| Llama Guard 4 12BMeta | $0.18 | $0.18 | $0.0007 | 164k |
| Qwen3.5-FlashQwen (Alibaba) | $0.065 | $0.26 | $0.0007 | 1M |
| Granite 4.2 8BIbm granite | $0.060 | $0.25 | $0.0006 | 131k |
| Qwen3 14BQwen (Alibaba) | $0.10 | $0.22 | $0.0006 | 41k |
Compare Nex-N2.5-Pro with another model or go back to the full database 469 models.