AI BriefingUsing GPT-5.4 Mini and Nano in AI Gateway
Key point
OpenAI's **GPT-5.4 Mini** and **Nano** models have been added to **Vercel AI Gateway**, supporting agentic workflows.
Details
OpenAI's GPT-5.4 Mini and GPT-5.4 Nano models are now available in Vercel AI Gateway. Both models deliver excellent performance in coding and computer use, and are optimized for sub-agent workflows where multiple small models collaborate.
They also support verbosity and reasoning level parameters, allowing direct control over the level of detail in responses and the reasoning process the model performs before answering.
- GPT-5.4 Mini: Shows high reliability in code generation, tool orchestration, and multi-step browser interactions, making it well suited for agentic tasks that require a balance of performance and cost.
- GPT-5.4 Nano: Maintains performance close to the Mini model while offering an even lower price, making it advantageous for high-volume workflows that require large-scale parallel calls.
AI Gateway provides a unified API for model calls, ensuring high uptime through usage and cost tracking, retry, and failover functionality, along with performance optimization. It also includes observability features and intelligent provider routing.
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