AionLabs Aion-2.0 vs Perceptron Mk1.5
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
- Perceptron Mk1.5 is 2.1× cheaper at a typical mix of 3 input tokens per output token.
- Aion-2.0 accepts longer prompts: 131K vs 37K tokens.
- Perceptron Mk1.5 is the newer model (released 2026-09-25).
| Aion-2.0 | Perceptron Mk1.5 | |
|---|---|---|
| Vendor | AionLabs | Perceptron |
| Released | 2026-02-23 | 2026-09-25 |
| Input / 1M | $0.80 | $0.15 |
| Output / 1M | $1.60 | $1.50 |
| Cached input / 1M | $0.20 | — |
| Blended / 1M (3:1) | $1.00 | $0.487 |
| Context | 131K | 37K |
| Max output | 33K | 8K |
| Accepts | text | text, image, audio, video |
| Reasoning | Yes | Yes |
| Providers on OpenRouter | 1 | 1 |
| Cheapest provider, output | $1.60 | $1.50 |
| Best provider uptime, 24 h | 100% | 100% |
| Chess arena rating | not playing | not playing |
| Vendor API status | — | — |
Cost calculator
Aion-2.0
$72.00 per month$2.40 per day
Perceptron Mk1.5
$31.50 per month$1.05 per day
Perceptron Mk1.5 saves $40.50 a month on this workload.
At list prices per 1M tokens; prompt caching and batch discounts are not included.
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