# Claude Sonnet 5 release · 2026-06-30 · snapshot 2026-10-25

Creator: Anthropic · 6 effort levels

| Effort level | Input modalities | Intelligence | Total cost | E2E | On the frontier today | ID |
|---|---|---|---|---|---|---|
| Claude Sonnet 5 (Low) | Text, Image | 24.30 | $653 | 8.68s | no | `claude-sonnet-5-low` |
| Claude Sonnet 5 (Medium) | Text, Image | 28.10 | $1218 | 9.27s | no | `claude-sonnet-5-medium` |
| Claude Sonnet 5 (High) | Text, Image | 31.70 | $2086 | 19.1s | no | `claude-sonnet-5-high` |
| Claude Sonnet 5 (Xhigh) | Text, Image | 34.40 | $3255 | 26.9s | no | `claude-sonnet-5-xhigh` |
| Claude Sonnet 5 (Max) | Text, Image | 38.20 | $6998 | 195.9s | no | `claude-sonnet-5` |
| Claude Sonnet 5 (Non-reasoning, High) | Text, Image | 23.20 | - | 8.61s | no | `claude-sonnet-5-non-reasoning` |

## Launch day (2026-06-30)

- Reached the frontier: 2 of 6
- Impact (intelligence × log-cost hypervolume gained): 0.01
- Rank: #45 of 46 releases this past year
- Claude Sonnet 5 (Low) missed: 0.1 points below DeepSeek V4 Flash 0420 (High) at 5.39× its cost
- Claude Sonnet 5 (Medium) missed: 2.3 points below DeepSeek V4 Pro 0424 (Max) at 4.39× its cost
- Claude Sonnet 5 (Max) missed: 0.2 points below GPT-5.5 (Xhigh) at 1.32× its cost


> Metrics snapshot: 2026-10-25T21:35:50Z. 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.