Claude Sonnet 5.5 effort guide: ★ High recommended, ability and cost by effort
Claude Sonnet 5.5 (Anthropic): the recommended effort is ★ High, ability 46.9 at $1.51 per reference coding task. One step up to XHigh: +9.2 ability for ×2.16 the cost.
Ability, cost and time at each effort
Claude Sonnet 5.5 · Anthropic · ★ High
| Effort | Ability | vs ★ | Cost / task | Cost × | Time × |
|---|---|---|---|---|---|
| Low | 28.1 | -18.7 | $0.547 | ×0.36 | ×0.52 |
| Med | 35.3 | -11.5 | $0.755 | ×0.50 | ×0.69 |
| ★ High | 46.9 | — | $1.51 | ×1.00 | ×1.00 |
| XHigh | 56.0 | +9.2 | $3.26 | ×2.16 | ×2.20 |
| Max | 64.9 | +18.0 | $11.38 | ×7.56 | ×7.13 |
Cost is the API cost of one reference coding task; cost × and time × are relative to the ★ recommended effort. Open in the effort console
Where to use it
- API:
claude-sonnet-5-5 - Claude Code:
claude-sonnet-5-5
Other models from this maker: Claude Haiku 5.5 · Claude Fable 5.1 · Claude Opus 5.5
Data published 2026-10-15 11:33 UTC · All data is also available through the public API