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Models › reflection › Reflection: Beam 1.0 501B A23B

Reflection: Beam 1.0 501B A23B — pricing & benchmarks

By reflection · Updated 2026-11-01 · Open weights · apache-2.0long-context / RAGcheap high-volumestep-by-step reasoningopen weights / self-hostable

Reflection: Beam 1.0 501B A23B costs $0.25 per 1M input tokens and $1 per 1M output tokens, with a 1M context window. It is best suited for long-context / RAG, cheap high-volume, step-by-step reasoning, open weights / self-hostable, and is available through one OpenAI-compatible Appmo API key.
$0.25Input / 1M
$1Output / 1M
1MContext
9.1KHF downloads (30d)
293HF likes
11Buzz (0-100)

What Reflection: Beam 1.0 501B A23B is used for

Reflection: Beam 1.0 501B A23B is best suited for long-context / RAG, cheap high-volume, step-by-step reasoning, open weights / self-hostable. Access it through one Appmo API key alongside 444 other models — Appmo's optimizer can route to it automatically when it is the best value for a request. Weights: huggingface.co/reflection/Beam-1.0-501B-A23B.

What people are saying (last 30 days)

Not enough posts yet to judge community sentiment. 4 new GitHub repos mentioning it. How we measure this.

Use it via the Appmo API (OpenAI-compatible)

curl https://appmo.com/v1/chat/completions \
  -H "Authorization: Bearer $APPMO_KEY" \
  -d '{"model":"reflection/beam-1.0-501b-a23b","messages":[{"role":"user","content":"Hello"}]}'

FAQ

How much does Reflection: Beam 1.0 501B A23B cost?
Reflection: Beam 1.0 501B A23B costs $0.25 per 1M input tokens and $1 per 1M output tokens ($0.438 blended), as of 2026-11-01. Prices are expected to fall as competition increases.

What is Reflection: Beam 1.0 501B A23B best for?
Reflection: Beam 1.0 501B A23B is best suited for long-context / RAG, cheap high-volume, step-by-step reasoning, open weights / self-hostable.

How do I use Reflection: Beam 1.0 501B A23B?
Send requests to Appmo's OpenAI-compatible endpoint with model id "reflection/beam-1.0-501b-a23b" and one API key — no separate provider account needed.

Is Reflection: Beam 1.0 501B A23B open source?
Yes — its weights are public on Hugging Face (reflection/Beam-1.0-501B-A23B) under the apache-2.0 license; check the license terms before commercial use.

Can Reflection: Beam 1.0 501B A23B create images?
No, Reflection: Beam 1.0 501B A23B works with text.