# Mercury 2.5 release · 2026-09-08 · snapshot 2026-10-26

Creator: Inception · 1 effort levels

| Effort level | Input modalities | Intelligence | Total cost | E2E | On the frontier today | ID |
|---|---|---|---|---|---|---|
| Mercury 2.5 | Text | 12.30 | $218 | 4.18s | no | `mercury-2-5` |

## Launch day (2026-09-08)

- Reached the frontier: 0 of 1
- Impact (intelligence × log-cost hypervolume gained): 0
- Rank: did not move the frontier; 46 releases this past year did
- Mercury 2.5 missed: 3.2 points below GPT-5.6 Luna (Non-reasoning) at 9.50× its cost


> 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.