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Vercel AI Gateway Adds OpenAI GPT-6.1 Sol for Coding and Agentic Workflows

·2026.09.29 09:00

Key point

GPT-6.1 Sol offers lower standard pricing than GPT-6 Astra and improved performance for complex document reading and multi-step workflows.

Details

OpenAI's GPT-6.1 Sol is now accessible via Vercel AI Gateway, targeting agents that require advanced coding, computer use, and professional task execution. The model improves upon GPT-6 Sol in handling complex documents, such as PDFs with tables and charts, and executing multi-step workflows.

Pricing and Performance

The model features lower standard input and output pricing compared to GPT-6 Astra. It also supports cheaper cached input, making it cost-effective for requests that reuse long shared contexts. Additionally, GPT-6.1 Sol demonstrates improved factual accuracy on difficult questions.

Integration and Usage

Developers can access the model using the identifier openai/gpt-6.1-sol through the AI SDK, OpenAI-compatible Chat Completions API, or Responses API. It is also selectable in coding agents like Codex and Cursor after installing the latest Vercel CLI and running setup.

AI Gateway provides a unified API for model calls, usage tracking, and cost management, including features like Zero Data Retention, budgets for API keys, and routing rules. The platform reflects provider pricing with no markup and charges no platform fee on inference, including for Bring Your Own Key (BYOK) requests.

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