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Reflection: Beam 1.0 501B A23BNEW

Name: Reflection: Beam 1.0 501B A23B API
Brand: Reflection
Availability: InStock

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...

Starting at

75credits 1M tokens

Prices updated 2026-10-24

Read API docs →

Playground

Run this model with a pre-filled form — the same billed path as the API.

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This demo page does not include the full memory features of the client. For the complete experience, please use the client or the CLI.

Rate card

input	75 credits 1M tokens
output	250 credits 1M tokens

Flat price per run — it does not change with duration.

Quick start

POST/v1/jobs/createTask

curl -X POST https://modelfold.ai/v1/jobs/createTask \
  -H "Authorization: Bearer $MODELFOLD_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"beam-1-0-501b-a23b","input":{"prompt":"..."}}'