{"id":2467,"date":"2026-09-30T11:58:02","date_gmt":"2026-09-30T11:58:02","guid":{"rendered":"https:\/\/techvisor.pro\/?p=2467"},"modified":"2026-09-30T11:58:02","modified_gmt":"2026-09-30T11:58:02","slug":"gpt-6-1-sol-openai-has-released-a-more-affordable-version-of-gpt-6-astra","status":"publish","type":"post","link":"https:\/\/techvisor.pro\/en\/gpt-6-1-sol-openai-has-released-a-more-affordable-version-of-gpt-6-astra\/","title":{"rendered":"GPT-6.1 Sol: OpenAI has released a more affordable version of GPT-6 Astra"},"content":{"rendered":"

OpenAI has released GPT-6.1 Sol \u2014 a model that, according to the company, nearly matches the flagship GPT-6 Astra in capabilities while costing significantly less. We break down the differences and who the new model is best suited for.<\/p>\n

What Is GPT-6.1 Sol<\/h2>\n

GPT-6.1 Sol is a continuation of the GPT-6 lineup, released less than a month ago alongside the flagship Astra. According to OpenAI, Sol has practically caught up with Astra in response quality across most typical tasks while offering a lower cost of use through the API.<\/p>\n

This is the same approach OpenAI already used in the GPT-5.6 lineup \u2014 at that time, the company also released several versions of the model at different tiers (Sol, Terra, Luna) for different budgets and use cases.<\/p>\n

How Sol Differs from Astra<\/h2>\n

\"How<\/p>\n

The main difference is not in the capabilities themselves, but in the balance between price and performance. Astra remains the technical flagship, with record results on difficult benchmarks such as FrontierMath, and it is the model that received a \u201ccritical\u201d cyber capability classification, which is why access to its most advanced capabilities is restricted.<\/p>\n

Sol is aimed at the mass market \u2014 developers and businesses that need high-quality responses at a reasonable price, without requiring extreme performance on highly specialized tests that are more relevant to researchers than to everyday use.<\/p>\n

Where GPT-6.1 Sol Is Already Available<\/h2>\n

\"Where<\/p>\n

The model is available through the OpenAI API immediately after release. This contrasts with Astra\u2019s phased rollout, where access was initially limited to verified partners in the Daybreak cybersecurity program before gradually expanding to regular ChatGPT users.<\/p>\n

Why This Matters for the Market<\/h2>\n

\"Why<\/p>\n

The release of Sol continues a trend that began taking shape in the summer: leading AI labs are releasing cheaper versions of their flagship models one after another in response to competition from lower-cost Chinese alternatives such as DeepSeek, Kimi and Qwen. Anthropic did the same with Claude Opus 5 and later with Fable 5.1 \u2014 both models cost significantly less than the top versions of their respective lineups while offering similar quality.<\/p>\n

In Brief: The Key Points<\/h2>\n