Claude Sonnet 5.5: price, plans and where it ranks
API price checked 2026-10-16; rankings checked 2026-10-15. Official sources only.
Plans that include Claude Sonnet 5.5
| Plan | Monthly billing USD · CAD | Annual billing per month, or per year where that's all the provider lists USD · CAD | Models | Limits | Best for | Sources & checked |
|---|---|---|---|---|---|---|
| Claude Free | FreeFree | No annual option listed | Sonnet, Haiku (no Opus/Fable) | Rolling 5-hour session limits; Projects up to 5 | Trying Claude | USD: claude.com CAD: claude.com |
| Claude Pro Cheapest Claude plan | US$20.00CA$28.00 | US$17.00CA$280.00/yr | Opus, Sonnet, Haiku; Fable via usage credits | ≥5x Free per 5h session + weekly limits; context up to 1M (varies) | Writers, coders | USD: claude.com CAD: claude.ai |
| Claude Max 5x | US$100.00CA$140.00 | No annual option listed | Fable, Opus, Sonnet, Haiku | 5x Pro per 5h; Fable at 50% of weekly limits; priority access | Daily heavy users | USD: claude.com CAD: claude.ai |
| Claude Max 20x | US$200.00CA$280.00 | No annual option listed | Fable, Opus, Sonnet, Haiku | 20x Pro per 5h; Fable at 50% of weekly limits | All-day agentic coding | USD: claude.com CAD: claude.ai |
API price
| Input / 1M | Output / 1M | Cached input / 1M | Notes | Source |
|---|---|---|---|---|
| US$2 | US$10 | US$0.10 | Cache write $2.50 (5-minute TTL) | claude.com 2026-10-16 |
Where Claude Sonnet 5.5 ranks
| Leaderboard | Rank | Score | Setting | Source |
|---|---|---|---|---|
| Arena Text (overall) | #36 | 1475±8 | XHigh | arena.ai, 2026-10-15 |
| Epoch Capabilities Index (ECI) | #6 | 164.45 | – | epoch.ai, 2026-10-15 |
| LiveBench 2.0 Reasoning | #7 | 91.6 | – | livebench.ai, 2026-10-15 |
| LiveBench 2.0 Coding | #5 | 94.7 | – | livebench.ai, 2026-10-15 |
| LiveBench 2.0 Overall | #7 | 82.5 | – | livebench.ai, 2026-10-15 |
Different tests, different scales: never compare scores across rows. All rankings explained.