# Claude Haiku 5.5 release · 2026-10-07 · snapshot 2026-10-26

Creator: Anthropic · 5 effort levels

| Effort level | Input modalities | Intelligence | Total cost | E2E | On the frontier today | ID |
|---|---|---|---|---|---|---|
| Claude Haiku 5.5 (Low) | Text, Image | 29.50 | $34.3 | 11.4s | no | `claude-haiku-5-5-low` |
| Claude Haiku 5.5 (Medium) | Text, Image | 34.50 | $56.4 | 15.8s | yes | `claude-haiku-5-5-medium` |
| Claude Haiku 5.5 (High) | Text, Image | 37.80 | $94.1 | 29.5s | yes | `claude-haiku-5-5-high` |
| Claude Haiku 5.5 (Xhigh) | Text, Image | 41.20 | $158 | 70.0s | yes | `claude-haiku-5-5-xhigh` |
| Claude Haiku 5.5 (Max) | Text, Image | 43.40 | $330 | 354.7s | no | `claude-haiku-5-5` |

## Launch day (2026-10-07)

- Reached the frontier: 3 of 5
- Impact (intelligence × log-cost hypervolume gained): 0.69
- Rank: #28 of 45 releases this past year
- Claude Haiku 5.5 (Low) missed: 0.4 points below GPT-6 Luna (Medium) at 1.10× its cost
- Claude Haiku 5.5 (Max) missed: 2.9 points below MiMo-V2.6-Pro at 1.60× its cost


> Metrics snapshot: 2026-10-26T21:34:20Z. 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.