Methodology
Five-star ratings are broken — they hide how they were formed. The ToolScore Index is 10 criteria × 10 points, each score visible, each number sourced and dated. If a tool scores 61/100, you can see exactly which pillars cost it points.
The 10 criteria
| Criterion | What 10/10 looks like | What 0–3 looks like |
|---|---|---|
| Price / Value | Free or cheap with real capability; predictable cost | $40+ tiers, metered surprises, teaser entry price |
| Token & Rate Limits | A plan holds a full working day of heavy use | $20 dies in 2–3 hours of active work |
| Speed / Latency | Streaming, responsive, interactive | Multi-second stalls, queueing |
| Privacy & Retention | No training on your code by default; zero-retention or self-host | Training by default, opt-out buried |
| BYOK | Bring your own API key; pay raw token prices | Locked to vendor's model menu and markup |
| Output Quality | Top-tier benchmarks and real-world task closure | Plausible-but-wrong code, weak reasoning |
| Stability | Predictable behavior, uptime, few regressions | Broken sessions, breaking changes |
| Ease of Setup | Minutes from install to first real task | Config archaeology before productivity |
| Billing Transparency | You can predict the invoice before it arrives | Fuzzy windows, credit meters, moving caps |
| Support & Community | Docs, responsive channels, active ecosystem | Community-only, stale docs |
Verdicts: 80+ Best Value · 65+ Strong · 50+ Average · <50 Weak.
Where the data comes from
Three layers, always labeled on the page:
Fact verification
Every price, limit, and policy claim we publish goes through an automated verification pipeline: the claim is extracted, re-searched against independent sources, and marked verified only when an authoritative source confirms it. Claims that can't be confirmed stay labeled unverified or get cut.
A site that debunks hollow data can't publish unverified numbers as facts — that constraint shapes everything here. If you find a stale number, report it; we'd rather correct than defend.
Scores vs. affiliate links
Freshness
Every page carries a “data as of” date. Pricing and limits in this category change monthly; anything older than ~60 days without a refresh should be treated as suspect — including by us. Our pipeline re-checks on a rolling basis and re-scores when the facts move.