# Claude Sonnet 4.6 release · 2026-02-17 · snapshot 2026-10-26

Creator: Anthropic · 3 effort levels

| Effort level | Input modalities | Intelligence | Total cost | E2E | On the frontier today | ID |
|---|---|---|---|---|---|---|
| Claude Sonnet 4.6 (Max) | Text, Image | 30.10 | $4925 | 115.3s | no | `claude-sonnet-4-6-adaptive` |
| Claude Sonnet 4.6 (Non-reasoning, High) | Text, Image | 24.70 | - | 11.3s | no | `claude-sonnet-4-6` |
| Claude Sonnet 4.6 (Non-reasoning, Low) | Text, Image | 23.30 | - | 11.4s | no | `claude-sonnet-4-6-non-reasoning-low-effort` |

## Launch day (2026-02-17)

- Reached the frontier: 1 of 3
- Impact (intelligence × log-cost hypervolume gained): 5.72
- Rank: #6 of 46 releases this past year


> Metrics snapshot: 2026-10-26T09:34:16Z. Intelligence index version: unknown. Release timeline, frontier age, release impact and shakeup cards are reconstructions using one selected snapshot's metrics, not a record of what was known at release. Scores, benchmark cost and derived value may change when the index methodology changes. Source documentation advertises v4.3.2; API correspondence is unverified.