# Solar Pro 4 release · 2026-08-06 · snapshot 2026-10-25

Creator: Upstage · 1 effort levels

| Effort level | Input modalities | Intelligence | Total cost | E2E | On the frontier today | ID |
|---|---|---|---|---|---|---|
| Solar Pro 4 | Text | 26.60 | $737 | - | no | `solar-pro4` |

## Launch day (2026-08-06)

- 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
- Solar Pro 4 missed: 5.5 points below GPT-5.6 Luna (High) at 6.81× its cost


> Metrics snapshot: 2026-10-25T15:21:57Z. 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.