OpenAI GPT-6.1 Terra Launch - Factual Errors (October 2026 Refreshed Prompts): leaderboard
Official OpenAI October 26, 2026 GPT-6.1 Terra launch effort sweep; Answers with any factual error (%). Explicit version/effort/model settings are preserved in the board and row names. Shared Astra-card safety/health rows retain the unchanged GPT-6.1 Sol anchor only; changed older comparison checkpoints are not overwritten. Metric: Answers with any factual error (%).
Metric: Answers with any factual error (%). Source: openai.com. Saturation forecast: Around January 2027. 25 models tracked.
Top models
| # | Model | Score | Overall rank |
|---|---|---|---|
| 1 | GPT-6 Astra (Max) | 4.2 | #5 (GPT-6 Astra) |
| 2 | GPT-6.1 Terra (Max) | 4.3 | #10 (GPT-6.1 Terra) |
| 3 | GPT-6.1 Sol (Max) | 4.4 | #6 (GPT-6.1 Sol) |
| 4 | GPT-6 Astra (xHigh) | 4.6 | #5 (GPT-6 Astra) |
| 5 | GPT-6.1 Terra (xHigh) | 5 | #10 (GPT-6.1 Terra) |
| 6 | GPT-6.1 Sol (xHigh) | 5.5 | #6 (GPT-6.1 Sol) |
| 7 | GPT-6 Astra (High) | 5.9 | #5 (GPT-6 Astra) |
| 8 | GPT-6.1 Sol (High) | 6.6 | #6 (GPT-6.1 Sol) |
| 9 | GPT-6.1 Terra (High) | 7.7 | #10 (GPT-6.1 Terra) |
| 10 | GPT-6 Astra (Medium) | 9.7 | #5 (GPT-6 Astra) |
| 11 | GPT-6.1 Terra (Medium) | 10.1 | #10 (GPT-6.1 Terra) |
| 12 | GPT-6.1 Sol (Medium) | 12 | #6 (GPT-6.1 Sol) |
| 13 | GPT-6 Astra (Low) | 13.3 | #5 (GPT-6 Astra) |
| 14 | GPT-6.1 Sol (Low) | 14.7 | #6 (GPT-6.1 Sol) |
| 15 | GPT-6.1 Terra (Low) | 16.7 | #10 (GPT-6.1 Terra) |
No result here: #3 Claude Opus 5.5, #8 Gemini 4 Argon, #9 Claude Fable 5.1.
Interactive version: theaggregate.ai/benchmark?slug=openai-gpt-6-1-terra-launch-factual-errors-october-2026-refreshed-prompts · How It Works · Data refreshed daily, snapshot 2026-10-27.