Perceptron: Perceptron Mk1.5 vs Stealth: Claude Opus 4.6 (20% off)
Perceptron: Perceptron Mk1.5 is cheaper on output tokens, while Stealth: Claude Opus 4.6 (20% off) offers a larger context window. Choose Perceptron: Perceptron Mk1.5 or Stealth: Claude Opus 4.6 (20% off) based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Perceptron: Perceptron Mk1.5 | Stealth: Claude Opus 4.6 (20% off) |
|---|---|---|
| Provider | Kilo Gateway | Kilo Gateway |
| Input / 1M tokens | $0.15 | $4.00 |
| Output / 1M tokens | $1.50 | $20.00 |
| Context window | 37K | 1M |
| Parameters | — | — |
| Open weights | No | No |
| Released | Sep 2026 | Aug 2025 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.