Beam 1.0 501B A23B
General purposeToolsReflection · 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.
Try Beam 1.0 501B A23B now
What Beam 1.0 501B A23B is best for
- Balanced everyday work: writing, questions, brainstorming and summarization
- Very long documents and codebases: a 1.0M-token window fits entire books or repositories in one conversation
- Tool use and agents: reliably calls functions, so it can search, run skills and drive workflows
Model comparisons
- Claude Opus 5.5 vs Claude Opus 5
- Claude Opus 5.5 vs GPT-6 Astra
- Claude Opus 5.5 vs GPT-6 Sol
- Claude Opus 5.5 vs Claude Sonnet 5
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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More you can do with Beam 1.0 501B A23B
- 468 AI skillsReady-to-run expert methods for writing, data, code and more, each running on Beam 1.0 501B A23B or any model you pick.
- 997 integrationsConnect Gmail, Slack, GitHub, Notion and hundreds more so the assistant can work in your apps.
- Simple pricingPlus, Pro and Max plans with a monthly credit allowance that works across every model.