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Beam 1.0 501B A23B

General purposeTools

Reflection · Released October 2026 · Knowledge cutoff June 2026

Beam 1.0 is Reflection's open-weight reasoning model for coding and long-horizon agentic workflows.

Facts and pricing

Provider
Reflection
Context window
1.0M tokens
Input price
3.0 credits / 1M tokens ($0.25 raw)
Output price
12.0 credits / 1M tokens ($1.00 raw)
Vision (image input)
No
Tool calling
Yes
Extended reasoning
No

Credits are what Zeplik bills: 1 credit = $0.10, computed from the raw provider rate with a 1.20x margin. Raw prices shown per 1M tokens.

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Frequently asked questions

What is Beam 1.0 501B A23B?
Beam 1.0 501B A23B is an AI model by Reflection. Beam 1.0 is Reflection's open-weight reasoning model for coding and long-horizon agentic workflows.
How much does Beam 1.0 501B A23B cost on Zeplik?
Input tokens cost 3.0 credits per million and output tokens 12.0 credits per million (1 credit = $0.10; the raw provider rates are $0.25 and $1.00 per million). New accounts start with free credits.
How long can a conversation with Beam 1.0 501B A23B be?
Beam 1.0 501B A23B has a 1.0M-token context window (1,048,576 tokens), which covers the conversation plus any documents you attach.
Does Beam 1.0 501B A23B support images and tools?
Beam 1.0 501B A23B is text-only and supports tool calling.

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