AI Model Atlas / Particle ai
Particle-1
One million input tokens cost $0.050 and one million output tokens $0.50. Context window: 1M tokens, about 1,748 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 | $0.0012 |
| 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 | Particle ai |
| Modalities | text + image → text |
| Context window | 1M tokens (~1,748 A4 pages) |
| Maximum response | 131k tokens |
| Step-by-step reasoning | yes |
| Tool calling | yes |
| Forced JSON format | yes |
| Knowledge cutoff | not specified |
| Cache read | $0.003 per million |
| Content moderation | no extra filter |
How it compares to the rest
The database contains 469 models. In terms of input pricing Particle-1 is more expensive than 7 percent of paid models. A longer context window is available in 54 models.
Input price history
2026-10-29 · $0.252026-11-11 · $0.050
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 |
|---|---|---|---|---|
| Gemma 4 31BGoogle | $0.20 | $0.40 | $0.0012 | 262k |
| Ternary Bonsai 2 27BPrism ml | $0.075 | $0.50 | $0.0012 | 262k |
| DeepSeek V3.2DeepSeek | $0.26 | $0.38 | $0.0012 | 164k |
| Gemma 3 27BGoogle | $0.080 | $0.45 | $0.0011 | 131k |
Compare Particle-1 with another model or go back to the full database 469 models.