OpenAI GPT 6.1 Sol
OpenAI's update to GPT 6 Sol, the cost-efficient high-end GPT-6 tier, for agentic coding and document work, with vision and a 1M-token context window.
OpenAI's GPT 6.1 Sol is a cloud text model. It is multimodal: alongside a text prompt it accepts images, then replies with generated text. Its context window handles up to 1.05M input tokens and up to 128K output tokens, and it supports adjustable reasoning effort for harder problems. Generation can be tuned with system instructions. It runs through Runware, OpenRouter, and OpenAI using your own API key, from $2.00 per million input tokens.
- Released
- Sep 2026
- Pricing
- $2.00 / 1M in · $10.00 / 1M out
- Inputs
- Text, Images
- Context window
- 1.05M in · 128K out
- Reasoning
- Adjustable effort
- Controls
- System prompt
Examples
Generated with GPT 6.1 Sol via Runware. The same three prompts run against every text model in the catalog, shown verbatim, so the only thing that changes between two models’ answers is the model.
Explain what an API is to someone who has never written code. Do not use a restaurant or waiter analogy. Plain prose only — no headings, bullet points, or markdown formatting. Maximum 50 words.
An API is a set of rules that lets computer programs communicate. It allows one program to request information or ask another to do something. For example, a weather app uses an API to get forecasts from a weather service and display them on your phone.
A two-person startup is deciding whether to build their own user authentication or use a hosted provider. Give them a clear recommendation, then the single strongest argument against your own recommendation. Plain prose only — no headings, bullet points, or markdown formatting. Maximum 150 words.
Use a reputable hosted authentication provider. For a two-person startup, building and maintaining secure login, password recovery, multifactor authentication, and abuse protection is usually a poor use of scarce engineering time. A provider won’t eliminate your security responsibilities, but it lets you focus on the product customers are paying for. Check its pricing, data-export options, and support for your likely requirements before committing. The strongest argument against this recommendation is vendor lock-in: authentication becomes deeply embedded in your application, so rising prices or changing terms can leave you choosing between an expensive dependency and a difficult migration. That risk is real, but for most early-stage, two-person teams, conserving engineering capacity now outweighs preserving complete control later.
Write a briefing for a non-technical executive explaining why their company's spending on AI is hard to predict, and what they can do about it. Cover at least three distinct causes. Plain prose only — no headings, bullet points, or markdown formatting. Write exactly 205 words.
AI spending is hard to predict because costs depend on how people use the technology, not simply how many employees have access. A popular assistant can generate thousands of requests, while longer conversations, larger documents, and repeated attempts consume more computing resources. Growth in usage can therefore outpace expectations even when subscription prices remain unchanged. A second cause is changing technology and pricing. Companies may switch models to improve quality, add premium features, or need more expensive tools for sensitive work. Supplier discounts can expire, and promised savings may not materialize. Third, the visible software bill is only part of the expense. Preparing data, connecting systems, reviewing outputs, training staff, and meeting security requirements create additional costs. Unreliable results can also require human corrections, reducing expected productivity gains. To regain control, assign one owner to track total spending and business results. Set budgets by team, establish usage alerts, and require approval for costly models or large deployments. Test new applications with limited pilots before expanding them. Compare cost per completed task, including human review, rather than subscription prices alone. Negotiate clear pricing terms and keep alternatives available. Finally, forecast several usage scenarios and maintain a contingency reserve; revisit assumptions monthly as adoption and performance evolve.
OpenAI
OpenAI builds GPT, DALL·E, the Sora family, and the open-weight gpt-oss models, and has been a central force behind the modern wave of generative AI.
openai.com ↗OpenAI's flagship GPT-6 model for complex reasoning, coding, research, and long-running agent work, with vision and a 1M-token context window.
GPT 6 Astra in OpenAI's pro reasoning mode, which works longer on each answer for the highest quality on hard tasks.
GPT 6.1 Sol in OpenAI's pro reasoning mode, which works longer on each answer for higher quality on hard tasks.
OpenAI's cost-efficient high-end GPT-6 tier for demanding coding and agentic work, with vision and a 1M-token context window.
GPT 6 Sol in OpenAI's pro reasoning mode, which works longer on each answer for higher quality on hard tasks.
OpenAI's fast, low-cost GPT-6 tier for high-volume chat, classification, and light agentic work, with vision.