Vendor account. OpenAI announced GPT-6.1 Sol, an upgraded version of GPT-6 Sol that nearly matches the intelligence of GPT-6 Astra in coding, professional work, and scientific research tasks, but at one-fifth of Astra's standard input and output token prices. It is aimed at developers and businesses looking for cost-effective, high-performance AI solutions.
Key facts
| Fact | Detail | The source says |
|---|---|---|
| Standard API input token price | $2 per million tokens | “Its standard API prices are $2 per million input tokens, $0.10 per million cached input tokens, and $10 per million output tokens.” |
| Cached input token price | $0.10 per million tokens | “Cached input costs just $0.10 per million tokens —95% less than standard input pricing and 50% less than GPT‑6 Sol’s cached input pricing” |
| Output token price | $10 per million tokens | “Its standard API prices are $2 per million input tokens, $0.10 per million cached input tokens, and $10 per million output tokens.” |
What happened
The announcement states: GPT-6.1 Sol is priced at $0.10 per million tokens for cached input, which is 95% less than standard input pricing and 50% less than GPT-6 Sol’s cached input pricing. This makes it more affordable for developers to build and run capable agents that reuse context across requests. The model offers substantial improvements over GPT-6 Sol in complex professional tasks, such as writing and debugging code, understanding documents, and executing multi-step business workflows. On the DeepSWE v1.1 evaluation, GPT-6.1 Sol matches GPT-6 Astra's performance at roughly one-fifth of the cost, while outperforming GPT-6 Sol by 6.4 percentage points. Additionally, GPT-6.1 Sol shows significant improvements in alignment evaluations, making it more transparent about its limitations and more reliable in respecting user intent and safety constraints. It is available to Plus, Pro, Business, Enterprise, and Edu users in ChatGPT Work and Codex, as well as through the OpenAI API.
In the Fathom Layer index
- ChatGPT — AI Models & Intelligence
FAQ
What tasks does GPT-6.1 Sol excel in?
OpenAI's announcement states: GPT-6.1 Sol excels in complex professional tasks such as writing and debugging code, understanding documents, and executing multi-step business workflows.
How does GPT-6.1 Sol compare to GPT-6 Astra?
OpenAI's announcement states: GPT-6.1 Sol nearly matches GPT-6 Astra's intelligence on agentic coding, computer use, and professional work at one-fifth of Astra’s standard input and output token prices.
What is the pricing for GPT-6.1 Sol?
OpenAI's announcement states: GPT-6.1 Sol is priced at $2 per million input tokens, $0.10 per million cached input tokens, and $10 per million output tokens.
Source: OpenAI
