# GPT-6.1 Sol vs GPT-6.1 Terra

As of Nov 3, 2026, GPT-6.1 Sol leads GPT-6.1 Terra in 4 of 4 shared categories: General LLM, Science, Coding › Web dev, and Legal.

## Pricing

GPT-6.1 Sol: $4 per 1M blended tokens.

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

GPT-6.1 Sol: closed weights.

GPT-6.1 Terra: closed weights.

## Benchmarks side by side

| Benchmark | GPT-6.1 Sol | GPT-6.1 Terra |
| --- | ---: | ---: |
| Excel Modeling Benchmark (EMB) | 71.1 | 73.3 |
| Finance Agent | 61.8 | 56.0 |
| GPQA Diamond | 95.4% | 94.3% |
| Legal Research Bench | 38.5 | 26.0 |
| LMArena WebDev | 1751 | 1673 |
| SimpleQA Verified | 73.9% | 57.3% |
| Tax Agent Bench | 21.8 | 17.1 |
| Vals Index | 63.9 | 60.5 |
| Vibe Code Bench | 88.9 | 84.0 |

## Verdict

As of Nov 3, 2026, GPT-6.1 Sol leads GPT-6.1 Terra in 4 of 4 shared categories: General LLM, Science, Coding › Web dev, and Legal.

- Which to pick, General LLM: As of Nov 3, 2026, GPT-6.1 Sol leads GPT-6.1 Terra in General LLM at #25 against #67.
- Which to pick, Science: As of Nov 3, 2026, GPT-6.1 Sol leads GPT-6.1 Terra in Science at #4 against #8.
- Which to pick, Coding › Web dev: As of Nov 3, 2026, GPT-6.1 Sol leads GPT-6.1 Terra in Coding › Web dev at #5 against #13.
- Which to pick, Legal: As of Nov 3, 2026, GPT-6.1 Sol leads GPT-6.1 Terra in Legal at #20 against #35.

As of Nov 3, 2026, GPT-6.1 Sol is tied for state of the art in Vision (since Sep 30, 2026; sources GDP.pdf; methodology v1.0).

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

## Related comparisons

- [Claude Opus 5.5 vs GPT-6.1 Sol](https://isitsota.com/compare/claude-opus-5-5-vs-gpt-6-1-sol)
- [Gemini 4 Argon vs GPT-6.1 Sol](https://isitsota.com/compare/gemini-4-argon-vs-gpt-6-1-sol)
- [GPT-6.1 Sol vs Muse Wonder](https://isitsota.com/compare/gpt-6-1-sol-vs-muse-wonder)
- [GPT-6.1 Sol vs GPT-6 Astra](https://isitsota.com/compare/gpt-6-1-sol-vs-gpt-6-astra)
- [Claude Sonnet 5.5 vs GPT-6.1 Sol](https://isitsota.com/compare/claude-sonnet-5-5-vs-gpt-6-1-sol)
- [Gemini 4 Carbon vs GPT-6.1 Sol](https://isitsota.com/compare/gemini-4-carbon-vs-gpt-6-1-sol)
- [Claude Fable 5.1 vs GPT-6.1 Sol](https://isitsota.com/compare/claude-fable-5-1-vs-gpt-6-1-sol)
- [Claude Opus 5.5 vs GPT-6.1 Terra](https://isitsota.com/compare/claude-opus-5-5-vs-gpt-6-1-terra)