OpenAI, proprietary
GPT-6.1 Terra
GPT-6.1 Terra by OpenAI ranks 14th of 368 ranked models on the Noometry Index as of November 2026, with a score of 60.8. Its strongest category is multimodal, where it ranks 4th. API pricing starts at $1 per million input tokens and $5 per million output tokens, with a 1.05M-token context window.
Last verified
Specifications
- Noometry rank
- #14 of 368
- Index score
- 60.8
- Evidence
- Confirmed 16 results
- Provider
- OpenAI
- Released
- October 26, 2026
- Weights
- Proprietary
- Reasoning
- Yes
- Context window
- 1.05M
- Max output
- 128K
- Input price
- $1 / M
- Output price
- $5 / M
- Blended price
- $2 / M
- Output speed
- Not measured
- Value
- #131 of 217
- Knowledge cutoff
- June 2026
- Input
- text, image, pdf
Category scores
Each category score combines every public result we have in that category.
- Coding 54.4
- Agentic & Tool Use 41.5
- Reasoning 65.2
- Math 89.2
- Knowledge 66.8
- Multimodal 57.0
| Category | Score | Rank | Results |
|---|---|---|---|
| Coding | 54.4 | #33 | 2 |
| Agentic & Tool Use | 41.5 | #22 | 1 |
| Reasoning | 65.2 | #20 | 3 |
| Math | 89.2 | #5 | 3 |
| Knowledge | 66.8 | #12 | 2 |
| Multimodal | 57.0 | #4 | 2 |
Strengths and weaknesses
Categories where GPT-6.1 Terra places highest and lowest among the models ranked in each, with its score against that category's median.
Strongest categories
| Category | Score | vs median | Rank |
|---|---|---|---|
| Math | 89.2 | +50.6 | #5 of 342, top 2% |
| Multimodal | 57.0 | +18.1 | #4 of 133, top 4% |
| Knowledge | 66.8 | +28.5 | #12 of 326, top 4% |
Weakest categories
| Category | Score | vs median | Rank |
|---|---|---|---|
| Agentic & Tool Use | 41.5 | +10.3 | #22 of 160, top 14% |
| Coding | 54.4 | +15.2 | #33 of 346, top 10% |
| Reasoning | 65.2 | +39.2 | #20 of 349, top 6% |
Closest competitors
The models ranked just above and below GPT-6.1 Terra. When scores are this close, price and speed are often the better way to choose.
| Model | Rank | Score | Blended $/M | Speed | |
|---|---|---|---|---|---|
| GPT-5.5 Pro | #10 | 64.5 | $67.50 | — | Compare |
| GPT-5.5 | #11 | 63.4 | $11.25 | 25 | Compare |
| GPT-6 Sol | #12 | 61.8 | $4 | — | Compare |
| Gemini 3.8 Flash | #13 | 61.6 | $1.50 | — | Compare |
| Claude Opus 4.8 | #15 | 60.7 | $10 | 34 | Compare |
| Gemini 3.7 Flash | #16 | 60.0 | $1.50 | — | Compare |
| GPT-5.4 | #17 | 59.4 | $5.63 | 12 | Compare |
| Kimi K3 | #18 | 59.4 | $6 | — | Compare |
Sponsored placements are available on pages like this one. Advertise on Noometry
Benchmark results
Every published result we track, with its source. Bold rows are the ones used for ranking; where several exist we prefer independent runs over self-reported numbers.
Coding
| Benchmark | Score | Position | Setting | Source | Date |
|---|---|---|---|---|---|
| LMArena WebDev | 1673 | #12 of 119, top 11% | GPT-6.1 Terra (Max) | LMArena | 2026-10-28 |
| SciCode | 51.6% | high | Epoch AI | ||
| SciCode | 52.4% | low | Epoch AI | ||
| SciCode | 55.1% | #30 of 128, top 24% | max | Epoch AI | |
| SciCode | 51.6% | medium | Epoch AI | ||
| SciCode | 47.8% | none | Epoch AI | ||
| SciCode | 53.4% | xhigh | Epoch AI | ||
| ALE-Bench | 2,609 | #3 of 114, top 3% | max | Epoch AI |
Agentic & Tool Use
| Benchmark | Score | Position | Setting | Source | Date |
|---|---|---|---|---|---|
| APEX-Agents | 68.3% | #6 of 54, top 12% | max | Epoch AI | |
| Vending-Bench 2 | 9,107 | #12 of 65, top 19% | Epoch AI |
Reasoning
| Benchmark | Score | Position | Setting | Source | Date |
|---|---|---|---|---|---|
| CritPt | 25.7% | high | Epoch AI | ||
| CritPt | 15.1% | low | Epoch AI | ||
| CritPt | 28% | #15 of 154, top 10% | max | Epoch AI | |
| CritPt | 21.4% | medium | Epoch AI | ||
| CritPt | 4.9% | none | Epoch AI | ||
| CritPt | 26.6% | xhigh | Epoch AI | ||
| EBR-Bench | 78.1% | Best of 29 | max | Epoch AI | 2026-10-26 |
| Mystery Game Puzzles | 74% | #3 of 78, top 4% | max | Epoch AI | 2026-10-26 |
| Epoch Capabilities Index | 168.11 | #3 of 210, top 2% | Epoch AI | 2026-10-26 |
Math
| Benchmark | Score | Position | Setting | Source | Date |
|---|---|---|---|---|---|
| FrontierMath (Tiers 1-3) | 90.9% | #4 of 86, top 5% | max | Epoch AI | 2026-10-26 |
| FrontierMath Tier 4 | 92.7% | #4 of 68, top 6% | max | Epoch AI | 2026-10-26 |
| OTIS Mock AIME 2024-2025 | 100% | #10 of 184, top 6% | max | Epoch AI | 2026-10-26 |
Knowledge
| Benchmark | Score | Position | Setting | Source | Date |
|---|---|---|---|---|---|
| GPQA Diamond | 94.3% | #9 of 196, top 5% | max | Epoch AI | 2026-10-26 |
| SimpleQA Verified | 57.3% | #19 of 87, top 22% | max | Epoch AI | 2026-10-26 |
Multimodal
| Benchmark | Score | Position | Setting | Source | Date |
|---|---|---|---|---|---|
| Blueprint-Bench 2 | 42.1% | #5 of 35, top 15% | Epoch AI | ||
| Furniture Assembly | 79.2% | #4 of 35, top 12% | max | Epoch AI | 2026-10-26 |
API pricing by provider
| Route | Input $/M | Output $/M | Cached input $/M | Checked |
|---|---|---|---|---|
| azure | $1 | $5 | $0.05 | 2026-11-04 |
| bedrock | $1 | $5 | $0.05 | 2026-11-04 |
| openai | $1 | $5 | $0.05 | 2026-11-04 |
| openrouter | $1 | $5 | $0.05 | 2026-11-04 |
Compare GPT-6.1 Terra
- GPT-6.1 Terra vs GPT-5.6 Terra
- GPT-6.1 Terra vs Gemini 3.8 Flash
- GPT-6.1 Terra vs Claude Opus 4.8
- GPT-6.1 Terra vs GPT-6 Sol
- GPT-6.1 Terra vs Gemini 3.7 Flash
- GPT-6.1 Terra vs GPT-5.5
- GPT-6.1 Terra vs GPT-5.4
- GPT-6.1 Terra vs Claude Opus 5.5
- GPT-6.1 Terra vs Gemini 4 Argon
- GPT-6.1 Terra vs Kimi K3
- GPT-6.1 Terra vs DeepSeek V4.1 Flash
- GPT-6.1 Terra vs Muse Wonder
- GPT-6.1 Terra vs Qwen3.8 Max
- GPT-6.1 Terra vs Grok 4.6
Other OpenAI models
- GPT-6 Astra70.6
- GPT-6.1 Sol65.9
- GPT-5.6 Sol65.0
- GPT-5.5 Pro64.5
- GPT-5.563.4
- GPT-6 Sol61.8
- GPT-5.459.4
- GPT-5.4 Pro59.1
Frequently asked questions
How good is GPT-6.1 Terra?
GPT-6.1 Terra by OpenAI ranks 14th of 368 ranked models on the Noometry Index as of November 2026, with a score of 60.8. Its strongest category is multimodal, where it ranks 4th. API pricing starts at $1 per million input tokens and $5 per million output tokens, with a 1.05M-token context window.
How much does GPT-6.1 Terra cost?
GPT-6.1 Terra costs $1 per million input tokens and $5 per million output tokens on OpenAI's own API, with cached input at $0.05.
What is GPT-6.1 Terra's context window?
GPT-6.1 Terra accepts up to 1.05M tokens of input and can write up to 128K tokens in one response.
Is GPT-6.1 Terra open source?
No. GPT-6.1 Terra is proprietary and available only through OpenAI's API and partner platforms.
What are GPT-6.1 Terra's strengths and weaknesses?
Relative to other ranked models, GPT-6.1 Terra places best in math, multimodal, knowledge and lowest in agentic & tool use, coding, reasoning.
What is GPT-6.1 Terra best at?
Its best category is multimodal, where it ranks 4th on Noometry.