# Claude 3.5 Sonnet release · 2024-10-22 · snapshot 2026-10-26

Creator: Anthropic · 1 effort levels

| Effort level | Input modalities | Intelligence | Total cost | E2E | On the frontier today | ID |
|---|---|---|---|---|---|---|
| Claude 3.5 Sonnet (Oct '24) | Text, Image | 7.90 | - | - | no | `claude-35-sonnet` |


> Metrics snapshot: 2026-10-26T03:27:40Z. 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.