Checksum vs Testsigma Atto
Checksum (Checksum) and Testsigma Atto (Testsigma) side by side on public data, as of Oct 6, 2026.
Side-by-side numbers
| Metric | Checksum | Testsigma Atto |
|---|---|---|
| Pulse Score | 21 | 19 |
| Overall rank | #165 | #176 |
| Downloads, last 7 days | 17.4K | — |
| Downloads, 7-day change | up 20.8% | — |
| Downloads, 30-day change | — | — |
| VS Code installs | — | — |
| Marketplace rating | — | — |
| GitHub stars | — | — |
| Homebrew installs, 30 days | — | — |
| Hacker News mentions, 30 days | 0 | 0 |
| Latest stable release | — | — |
| Stable releases, 90 days | ||
| Terminal-Bench (best run) | — | — |
| Price | Custom | Custom |
| License | ||
| First released | — | — |
| Interfaces | — | — |
| Models |
Checksum
Generates Playwright end-to-end and API tests, runs them in CI and repairs failing tests automatically as the code changes.
Pricing: Priced by the number of workflows and tests maintained, with no per-seat or per-run fees; no public prices.
Testsigma Atto
Runs a set of AI agents that plan, write, run, analyse and repair tests for web, mobile, desktop, API and Salesforce apps and score release readiness.
Pricing: Pro and Enterprise plans, both by custom quote.