# GPT-6.1 Terra vs GPT-6 Sol

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

## Pricing

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

GPT-6 Sol: $4 per 1M blended tokens.

GPT-6.1 Terra: closed weights.

GPT-6 Sol: closed weights.

## Benchmarks side by side

| Benchmark | GPT-6.1 Terra | GPT-6 Sol |
| --- | ---: | ---: |
| GPQA Diamond | 94.3% | 94.3% |
| Legal Research Bench | 26.0 | 28.8 |
| LMArena WebDev | 1673 | 1678 |
| SimpleQA Verified | 57.3% | 60.7% |
| Tax Agent Bench | 17.1 | 15.0 |
| Vibe Code Bench | 84.0 | 87.8 |

## Verdict

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

- Which to pick, General LLM: As of Nov 3, 2026, GPT-6 Sol leads GPT-6.1 Terra in General LLM at #54 against #67.
- Which to pick, Science: As of Nov 3, 2026, GPT-6.1 Terra and GPT-6 Sol share #8 in Science.
- Which to pick, Coding › Web dev: As of Nov 3, 2026, GPT-6 Sol leads GPT-6.1 Terra in Coding › Web dev at #11 against #13.
- Which to pick, Legal: As of Nov 3, 2026, GPT-6 Sol leads GPT-6.1 Terra in Legal at #32 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 Sol is ranked #5 in Coding › Agentic (since Nov 3, 2026; sources Terminal-Bench 4.0; methodology v1.0).

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