LLM Perks

Beam 1.0 501B A23B

Reflection
Free right now Frontier New
Long context

Beam 1.0 501B A23B is a language model with 501B parameters from Reflection. It is currently free at 1 provider with up to 262K tokens of context.

Developer
Reflection
Parameters
501B / 23B active
Context
262K tokens
Type
Text
Free since
October 16, 2026

Where to use Beam 1.0 501B A23B for free

Each row is a separate free endpoint with its own limits.

ProviderContextLimitCard
Nous Portal
reflection/beam-1.0-501b-a23b:free
262K The $0 Portal plan includes free models with standard rate limits. Model availability can change. No Open

Quick start

curl https://inference-api.nousresearch.com/v1/chat/completions \
  -H "Authorization: Bearer $NOUS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "reflection/beam-1.0-501b-a23b:free",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Example for Nous Portal. Any OpenAI-compatible client works: Cursor, Cline, OpenCode, Open WebUI.

Benchmarks

This model is not on the Artificial Analysis leaderboard yet. We do not publish our own estimates.

Similar free models

FAQ

Is Beam 1.0 501B A23B free?

Yes. As of October 16, 2026, Beam 1.0 501B A23B is free at Nous Portal. Each provider has its own limits — see the table above.

What is the context window of Beam 1.0 501B A23B?

The largest context among free routes is 262,144 tokens. Some providers cap it lower.

How do I call Beam 1.0 501B A23B via API?

Use any OpenAI-compatible client with base URL https://inference-api.nousresearch.com/v1, model ID reflection/beam-1.0-501b-a23b:free, and a Nous Portal key.