Leaderboard / OpenAI
GPT-6.1 Terra
OpenAI Max CLOSED Proprietary
Verdict
GPT-6.1 Terra is a top-tier model: #18 of 406 by SIscope score. Strong at everything it's been tested on, especially math. Mid-range on price.
SIscope score
90
#18 of 406
Human-vote rank
Not on board
Text arena
Price per 1M tokens, blended
$2
$1 in · $5 out
Context window
1.1M
1,050,000 tokens
Shape
Each spoke is a category, 0 at the centre, 100 at the edge.
Category scores
Percentiles: 90 means better than about 90% of tested models.
What goes into each category · Compare with DeepSeek V4.1 Flash
Coding votes over time
WebDev arena, recent updates.
Independent test runs
Run by Epoch AI on the same harness for every model. Bars show the share of questions answered correctly.
GPQA Diamond94%
PhD-level science multiple choice questions
Better than 97% of 333 tested models. Run Oct 26, 2026.
SimpleQA Verified57%
Short factual questions; rewards not making things up
Better than 82% of 100 tested models. Run Oct 26, 2026.
OTIS Mock AIME 2024-25100%
Competition maths problems in the style of AIME
Better than 96% of 313 tested models. Run Oct 26, 2026.
FrontierMath Tiers 1-391%
Very hard, unpublished research-style maths problems
Better than 98% of 122 tested models. Run Oct 26, 2026.
Human-vote arenas
People compare two anonymous answers and pick the better one. Scores work like chess ratings.
| Arena | Rank | Score | Range (95%) | Votes | Updated |
|---|---|---|---|---|---|
| Text arena Everyday chat, blind human votes | Not on this board yet | ||||
| WebDev arena Building web apps, blind human votes | #14 of 152 | 1673 | 1657–1688 | 1,821 | Oct 28, 2026 |
| Vision arena Questions about images, blind human votes | Not on this board yet | ||||
| Agent arena Real multi-step agent sessions | #8 of 57 | 10.2% | 9.0–11.3% | 19,912 | Nov 2, 2026 |
Source: Arena (formerly LMArena) leaderboard dataset, CC BY 4.0. Fetched Nov 4, 2026.
Price
Input
$1
per 1M tokens
Output
$5
per 1M tokens
Blended
$2
3 in : 1 out, per 1M
Context window
1.1M
max tokens per request
Speed
Coming soon
our own tests
List price from the OpenRouter models API (openai/gpt-6.1-terra), Nov 4, 2026. Providers can charge differently.