"Sol 6.1" is a genuinely ambiguous query, and the search results page proves it: AI results sit side by side with middle-school math pages. In AI contexts it means GPT-6.1 Sol — a model in OpenAI's GPT-6.1 series. In education contexts, SOL means Virginia's Standards of Learning. This page disambiguates the two, then explains the AI meaning in depth. Claims are labeled throughout: vendor claim / observed / analysis.
When we captured the search results for this phrase (October 5, 2026), the front page mixed both worlds observed:
Even keyword-suggestion data shows the split: the only suggestion our tracker returned for the phrase was "del sol lxi 6.1" — a Honda car model observed. Three unrelated vocabularies, one short query. If you arrived here from a math homework search, the rest of this page is not what you want; if you came for the model, read on analysis.
GPT-6.1 Sol is a model in OpenAI's GPT-6.1 series, introduced by OpenAI in the "Introducing GPT-6 Sol and Luna" announcement observed. Web directory descriptions characterize it as the series' low-cost, high-performance option vendor claim — that positioning language comes from the directory listing, not from our own testing. The same directories describe it as positioned against OpenAI's earlier GPT-6 Astra model vendor claim, and an r/OpenAI thread title puts it bluntly: "GPT 6.1 Sol is out at Astra level" observed.
It sits in a family: Sol and Luna were announced together, and Astra is the earlier-generation name still circulating in comparison queries like "gpt 6 sol vs 5.6 sol" observed. We keep the naming map straight on our related page, GPT Sol 6.1 explained, which goes deeper on the Astra-successor question.
| Field | What we can say |
|---|---|
| Name | GPT-6.1 Sol, commonly searched as "sol 6.1" observed |
| Maker | OpenAI — the announcement lives on openai.com observed |
| Family | GPT-6.1 series; announced alongside GPT-6 Luna observed |
| Positioning | Low cost, high performance, per directory descriptions vendor claim |
| Predecessor question | Described as a GPT-6 Astra replacement by directory listings vendor claim |
| Where listed | OpenRouter (gpt-6.1-sol), Artificial Analysis tracker observed |
| Independent benchmarks | None we can vouch for yet — check the aggregator pages above analysis |
The top community signal at capture time was an r/codex thread titled "Sol 6.1 usage crazy low" observed — a discussion about uptake, not a benchmark. Around it, smaller independent blogs (myclaw.ai, eigent.ai) published explainers, and a YouTube comparison tested "Sonnet 5.5 vs. GPT-6.1 Sol" on everyday use cases observed. Notice what is missing: no independent, reproducible benchmark suite has settled how Sol compares with its siblings on coding, agents, or reasoning. The model is too new for third-party numbers we would trust analysis. That is exactly why this page refuses to print benchmark tables it cannot source.
A quick intent check before you click another result:
| If your search includes… | You probably want… |
|---|---|
| "API", "pricing", "vs", "benchmark", "codex" | The AI model — GPT-6.1 Sol analysis |
| "math", "practice", "Virginia", "standard", "worksheet" | The Virginia Grade 6 SOL math standard analysis |
| "Honda", "del sol", "lxi" | The car — a 1990s Honda Del Sol trim observed |
The AI meaning, yes: GPT-6.1 Sol is an OpenAI model, announced on openai.com together with GPT-6 Luna observed. The school meaning has nothing to do with OpenAI — it is Virginia's education standard observed.
Because "SOL 6.1" is the literal identifier of a curriculum standard that thousands of teachers search for every semester. The education side has years of established pages; the model is weeks old analysis.
OpenAI's community forum announcement covers "the API, Codex and ChatGPT", and OpenRouter lists the model observed. Availability in your account tier can differ — check your provider dashboard analysis.
We will not print a price we cannot verify. The "low-cost" label is positioning language; for live numbers, check the OpenRouter listing or OpenAI's pricing page analysis.
This page is descriptive and independent, last reviewed October 5, 2026. Not affiliated with OpenAI. "OpenAI", "GPT", "Sol", "Luna" and "Astra" are trademarks of their respective owners; all vendor claims are labeled as such.