# GPT-6.1 Terra vs GPT-6 Astra

As of Nov 3, 2026, GPT-6.1 Terra leads GPT-6 Astra in 0 of 4 shared categories.

## Pricing

GPT-6.1 Terra: $2 per 1M blended tokens.

GPT-6 Astra: $20 per 1M blended tokens.

GPT-6.1 Terra: closed weights.

GPT-6 Astra: closed weights.

## Benchmarks side by side

| Benchmark | GPT-6.1 Terra | GPT-6 Astra |
| --- | ---: | ---: |
| Excel Modeling Benchmark (EMB) | 73.3 | 72.7 |
| Finance Agent | 56.0 | 60.4 |
| GPQA Diamond | 94.3% | 95.8% |
| Legal Research Bench | 26.0 | 39.4 |
| LMArena WebDev | 1673 | 1773 |
| SimpleQA Verified | 57.3% | 75.6% |
| Tax Agent Bench | 17.1 | 20.7 |
| Vals Index | 60.5 | 65.0 |
| Vibe Code Bench | 84.0 | 89.6 |

## Verdict

As of Nov 3, 2026, GPT-6.1 Terra leads GPT-6 Astra in 0 of 4 shared categories.

- Which to pick, General LLM: As of Nov 3, 2026, GPT-6 Astra leads GPT-6.1 Terra in General LLM at #27 against #67.
- Which to pick, Science: As of Nov 3, 2026, GPT-6 Astra leads GPT-6.1 Terra in Science at #1 against #8.
- Which to pick, Coding › Web dev: As of Nov 3, 2026, GPT-6 Astra leads GPT-6.1 Terra in Coding › Web dev at #2 against #13.
- Which to pick, Legal: As of Nov 3, 2026, GPT-6 Astra leads GPT-6.1 Terra in Legal at #18 against #35.

As of Nov 3, 2026, GPT-6.1 Terra is ranked #8 in Science (since Nov 3, 2026; sources GPQA Diamond; methodology v1.0).

As of Nov 3, 2026, GPT-6 Astra is state of the art in Math (since Sep 28, 2026; sources Humanity's Last Exam; methodology v1.0).

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