Reflection AI Beam 限时免费接入（1M 上下文）
权益与条件
- 能拿到零 Token 成本调用 1M 极长上下文开源推理大模型 Beam，适配代码生成与 Agent 智能体
- 条件与限制需使用 Vercel 账号及 AI Gateway 调用；仅在 Reflection AI 服务期内限时免费；支持标准名称 reflection/beam 或 -free 后缀 reflection/beam-free 接入；支持工具调用与结构化输出
- 截止发布推广期内限时免费，官方未公布具体截止日期
- 官方入口https://vercel.com/changelog/reflection-ai-beam-now-available-on-ai-gateway-for-free
是什么
Vercel AI Gateway 上线 Reflection AI 开源推理模型 Beam（原代号 stealth/cat-jam，Apache 2.0 开源权重，总参数 501B/激活 23B，1M 上下文）；发布推广期内由 Reflection AI 提供限时免费调用，支持 reflection/beam 与 reflection/beam-free 路由
官方原文
“Beam from Reflection AI , previously available in stealth as stealth/cat-jam , is now available on AI Gateway . Beam is free to use for a limited time during the launch period when serviced by Reflection AI. Beam is an low latency US open-weight reasoning model for coding and agentic tasks, with weights released under Apache 2.0 . Beam supports tool calling and structured outputs , with a 1M-token context window for code, documents, and conversation history.”
2026-10-18T04:03:23.680Z