Claude Sonnet 5.5 vs Perceptron Mk1.5
Specs, per-token pricing, and live benchmark scores — refreshed daily from our benchmark database.
Specs & pricing
| Claude Sonnet 5.5 | Perceptron Mk1.5 | |
|---|---|---|
| Company | Anthropic | Perceptron |
| Released | Sep 2026 | Sep 2026 |
| Context window | 1.0M | 37K |
| Input /1M tokens | $2 | $0.15 |
| Output /1M tokens | $10 | $1.5 |
| Open weights | No | No |
Benchmarks
| Benchmark | Claude Sonnet 5.5 | Perceptron Mk1.5 |
|---|---|---|
| Speed (tok/s) | — | 82 tok/s |
Scores come from published leaderboards and official model cards (sources listed on the benchmarks page) and refresh daily. Pricing via vendor pages and OpenRouter.