beam-1-0-501b-a23b

This page lists parameters from the ModelFold model catalog.

Beam 1.0 is Reflection's open-weight reasoning model for coding and long-horizon agentic workflows. It uses a sparse mixture-of-experts architecture with 501B total and 23B active parameters per token, and a...

Overview

Field	Value
Model ID	beam-1-0-501b-a23b
Family slug	beam-1-0-501b-a23b
Modality	Chat Models (chat)
Endpoint	POST /v1/chat/completions

Request example

export API_BASE="https://modelfold.ai/v1"
export MODELFOLD_API_KEY="mf-..."   # 在控制台 API Key 页面创建
curl -X POST "$API_BASE/chat/completions" \
  -H "Authorization: Bearer $MODELFOLD_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"beam-1-0-501b-a23b","messages":[{"role":"user","content":"Explain what a diffusion model does in two sentences."}],"max_tokens":512}'

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• Model overview
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See also

• API reference