Particle AI Particle-1 vs PrismML Ternary Bonsai 2 27B
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
- Particle-1 is 1.1× cheaper at a typical mix of 3 input tokens per output token.
- Particle-1 accepts longer prompts: 1M vs 262K tokens.
- Particle-1 is the newer model (released 2026-10-28).
| Particle-1 | Ternary Bonsai 2 27B | |
|---|---|---|
| Vendor | Particle AI | PrismML |
| Released | 2026-10-28 | 2026-09-18 |
| Input / 1M | $0.05 | $0.075 |
| Output / 1M | $0.50 | $0.50 |
| Cached input / 1M | $0.0030 | $0.037 |
| Blended / 1M (3:1) | $0.163 | $0.181 |
| Context | 1M | 262K |
| Max output | 131K | 33K |
| Accepts | text, image | text, image |
| Reasoning | Yes | Yes |
| Providers on OpenRouter | 1 | 1 |
| Cheapest provider, output | $0.50 | $0.50 |
| Best provider uptime, 24 h | 100% | 100% |
| Chess arena rating | not playing | not playing |
| Vendor API status | — | — |
Cost calculator
Particle-1
$10.50 per month$0.35 per day
Ternary Bonsai 2 27B
$12.00 per month$0.40 per day
Particle-1 saves $1.50 a month on this workload.
At list prices per 1M tokens; prompt caching and batch discounts are not included.
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