# GPT-6.1 Terra release · 2026-10-26 · snapshot 2026-10-27

Creator: OpenAI · 6 effort levels

| Effort level | Input modalities | Intelligence | Total cost | E2E | On the frontier today | ID |
|---|---|---|---|---|---|---|
| GPT-6.1 Terra (Low) | Text, Image | 36.20 | $115 | 6.78s | no | `gpt-6-1-terra-low` |
| GPT-6.1 Terra (Non-reasoning) | Text, Image | 33.50 | $154 | 6.61s | no | `gpt-6-1-terra-non-reasoning` |
| GPT-6.1 Terra (Medium) | Text, Image | 41.30 | $175 | 6.95s | yes | `gpt-6-1-terra-medium` |
| GPT-6.1 Terra (High) | Text, Image | 43.90 | $239 | 11.2s | no | `gpt-6-1-terra-high` |
| GPT-6.1 Terra (Xhigh) | Text, Image | 45.40 | $365 | 18.8s | no | `gpt-6-1-terra-xhigh` |
| GPT-6.1 Terra (Max) | Text, Image | 48.10 | $909 | 83.5s | no | `gpt-6-1-terra` |

## Launch day (2026-10-26)

- Reached the frontier: 1 of 6
- Impact (intelligence × log-cost hypervolume gained): 0.01
- Rank: #46 of 46 releases this past year
- GPT-6.1 Terra (Low) missed: 1.6 points below Claude Haiku 5.5 (High) at 1.22× its cost
- GPT-6.1 Terra (Non-reasoning) missed: 1.0 points below Claude Haiku 5.5 (Medium) at 2.72× its cost
- GPT-6.1 Terra (High) missed: 2.4 points below MiMo-V2.6-Pro at 1.15× its cost
- GPT-6.1 Terra (Xhigh) missed: 0.9 points below MiMo-V2.6-Pro at 1.77× its cost
- GPT-6.1 Terra (Max) missed: 2.1 points below GPT-6.1 Sol (High) at 1.74× its cost


> Metrics snapshot: 2026-10-27T09:34:39Z. 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.