DeepSeek V4.1 Flash 1017 Ultrafast now available on AI Gateway
DeepSeek V4.1 Flash 1017 Ultrafast, offering over 1,000 tokens per second, is now available via Fireworks' accelerated serverless endpoint on Vercel's AI Gateway. The model features a 1M-token context window and is optimized for interactive coding, reasoning, and agentic workflows. It is in public preview with no waitroom or session time limits. Developers can use it by specifying the model name in their code or through tools like Claude Code, Codex, and Cursor after setting up the latest Vercel CLI. AI Gateway provides unified API access, usage tracking, cost management, and performance optimizations without markup or platform fees.
