# GPT-6 Models Compared: Every Variant Benchmarked (Nov 2026)

As of Nov 3, 2026, isitsota tracks 7 GPT-6 models: GPT-6.1 Terra, GPT-6.1 Sol, GPT-6 Luna, GPT-6 Sol, GPT-6 Astra, GPT-6 Astra Law, and GPT-6 Rosalind. GPT-6.1 Sol is state of the art in Vision (shared) since Sep 30, 2026. GPT-6 Astra is state of the art in Math since Sep 28, 2026 and Vision (shared) since Sep 30, 2026. GPT-6 Astra Law and GPT-6 Rosalind have no independent benchmark results yet.

Last updated: Nov 3, 2026

## Models in the family

| Model | Released | Availability | Context | Price | Crowns | Best rank |
| --- | --- | --- | ---: | --- | --- | --- |
| [GPT-6.1 Terra](https://isitsota.com/m/gpt-6-1-terra) | Oct 26, 2026 | ga | 1,050,000 | $2 / 1M tokens (blended) | — | #8 Science |
| [GPT-6.1 Sol](https://isitsota.com/m/gpt-6-1-sol) | Sep 29, 2026 | ga | 1,050,000 | $4 / 1M tokens (blended) | Vision | #1 Vision |
| [GPT-6 Luna](https://isitsota.com/m/gpt-6-luna) | Sep 22, 2026 | ga | 1,050,000 | $0.2 / 1M tokens (blended) | — | #17 Coding › Agentic |
| [GPT-6 Sol](https://isitsota.com/m/gpt-6-sol) | Sep 22, 2026 | ga | 1,050,000 | $4 / 1M tokens (blended) | — | #5 Coding › Agentic |
| [GPT-6 Astra](https://isitsota.com/m/gpt-6-astra) | Sep 3, 2026 | ga | 1,050,000 | $20 / 1M tokens (blended) | Math, Vision | #1 Math |
| [GPT-6 Astra Law](https://isitsota.com/m/gpt-6-astra-law) | — | announced | — | — | Pending benchmarks | — |
| [GPT-6 Rosalind](https://isitsota.com/m/gpt-6-rosalind) | — | announced | — | — | Pending benchmarks | — |

## Rank by category

| Category | GPT-6.1 Terra | GPT-6.1 Sol | GPT-6 Luna | GPT-6 Sol | GPT-6 Astra |
| --- | ---: | ---: | ---: | ---: | ---: |
| [General LLM](https://isitsota.com/c/general-llm) | #67 | #25 | #105 | #54 | #27 |
| [Reasoning](https://isitsota.com/c/reasoning) | — | #17 | #74 | #49 | #29 |
| [Math](https://isitsota.com/c/math) | — | — | — | — | #1 |
| [Science](https://isitsota.com/c/science) | #8 | — | #22 | — | #1 |
| [Coding](https://isitsota.com/c/coding) | — | #3 | #29 | #9 | #2 |
| [Coding › Agentic](https://isitsota.com/c/coding-agentic) | — | #2 | #17 | #5 | #2 |
| [Coding › Web dev](https://isitsota.com/c/coding-web-dev) | #13 | #5 | #36 | #11 | #2 |
| [Long context](https://isitsota.com/c/long-context) | — | #20 | #75 | #52 | #24 |
| [Vision](https://isitsota.com/c/vision) | — | #1 | #17 | #9 | #1 |
| [Factuality](https://isitsota.com/c/factuality) | — | #34 | #28 | #83 | #32 |
| [Cybersecurity](https://isitsota.com/c/cybersecurity) | — | #2 | #18 | #5 | #1 |
| [Legal](https://isitsota.com/c/legal) | #35 | #20 | #30 | #32 | #18 |
| [Healthcare](https://isitsota.com/c/healthcare) | — | — | #41 | #36 | — |

## Benchmarks side by side

| Benchmark | GPT-6.1 Terra | GPT-6.1 Sol | GPT-6 Luna | GPT-6 Sol | GPT-6 Astra |
| --- | ---: | ---: | ---: | ---: | ---: |
| ARC-AGI | — | 98.5% | 86.7% | 95.5% | 98.5% |
| Code Migration | — | 77.3 | 46.7 | — | 80.6 |
| CyberBench | — | 39.3 | 76.3 | 78.0 | 41.1 |
| Excel Modeling Benchmark (EMB) | 73.3 | 71.1 | 70.0 | — | 72.7 |
| Finance Agent | 56.0 | 61.8 | 56.8 | — | 60.4 |
| GDP.pdf | — | 35.0% | 23.0% | 26.4% | 34.2% |
| GPQA Diamond | 94.3% | 95.4% | 90.5% | 94.3% | 95.8% |
| Legal Research Bench | 26.0 | 38.5 | 30.3 | 28.8 | 39.4 |
| LMArena Text (style-controlled, coding) | — | 1541 | 1506 | 1519 | 1542 |
| LMArena Text (style-controlled, hard prompts) | — | 1506 | 1464 | 1484 | 1500 |
| LMArena Text (style-controlled, longer query) | — | 1491 | 1451 | 1467 | 1488 |
| LMArena Text (style-controlled, math) | — | 1509 | 1447 | 1448 | 1489 |
| LMArena Text (style-controlled, overall) | — | 1481 | 1441 | 1458 | 1476 |
| LMArena Text factuality | — | 1466 | 1469 | 1440 | 1467 |
| LMArena Vision (style-controlled) | — | 1294 | 1240 | 1266 | 1285 |

## Head-to-head pages

- [GPT-6.1 Sol vs GPT-6.1 Terra](https://isitsota.com/compare/gpt-6-1-sol-vs-gpt-6-1-terra)
- [GPT-6.1 Sol vs GPT-6 Astra](https://isitsota.com/compare/gpt-6-1-sol-vs-gpt-6-astra)
- [GPT-6.1 Sol vs GPT-6 Sol](https://isitsota.com/compare/gpt-6-1-sol-vs-gpt-6-sol)
- [GPT-6.1 Terra vs GPT-6 Astra](https://isitsota.com/compare/gpt-6-1-terra-vs-gpt-6-astra)
- [GPT-6.1 Terra vs GPT-6 Sol](https://isitsota.com/compare/gpt-6-1-terra-vs-gpt-6-sol)
- [GPT-6 Astra vs GPT-6 Sol](https://isitsota.com/compare/gpt-6-astra-vs-gpt-6-sol)

## FAQ

### Which GPT-6 model is best?

GPT-6 Astra: as of Nov 3, 2026, it holds 2 category crowns (Math since Sep 28, 2026 and Vision (shared) since Sep 30, 2026).

### Is GPT-6 state of the art?

Yes, in 2 categories as of Nov 3, 2026: GPT-6.1 Sol in Vision (shared) since Sep 30, 2026; GPT-6 Astra in Math since Sep 28, 2026 and Vision (shared) since Sep 30, 2026.

### When was GPT-6 released?

The first GPT-6 model on isitsota, GPT-6 Astra, was released on Sep 3, 2026. The newest, GPT-6.1 Terra, was released on Oct 26, 2026.

### Which GPT-6 model is cheapest?

GPT-6 Luna, at $0.2 / 1M tokens (blended). The most expensive tracked variant is GPT-6 Astra ($20 / 1M tokens (blended)).

### How often is this page updated?

Rankings are recomputed automatically when new benchmark results arrive; this page reflects data as of Nov 3, 2026.