Model overview
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...
The summary below is compiled from sources by an AI model, not our own testing. Verify selection decisions against original sources and your workload.
Key features
- Sparse mixture-of-experts architecture with 501B total parameters and 23B active parameters per token
- Optimized for coding and long-horizon agentic workflows
- Supports structured outputs and tool use
Limitations & considerations
Sources are insufficient to establish specific limitations. Verify task performance, latency, data policies, licensing and version lifecycle.
Source prices & cost analysis
Prices vary by channel, region and configuration. Channel quotes are listed independently and are not treated as a single official provider price.
| Source / channel | Input | Output | Billing unit | Collected at |
|---|---|---|---|---|
| OpenRouter · reflection/beam-1.0-501b-a23b ↗ | USD 0.25 | USD 1 | Per million tokens | 2026/11/2 06:25:21 |
Some channels offer cache discounts. Check the source for cache read, write and additional fees.
Estimate monthly base token costs
Estimates exclude cache discounts, tiered pricing, multimodal surcharges, web search, taxes and additional reasoning output.
Public benchmarks & run configuration
暂无已采集的可核验公开评分。模型未上榜不代表能力较低。
View full indexed rankings →Frequently asked questions
What does 'A23B' in the model name signify?
It indicates 23 billion active parameters per token (A = 'active', 23B = 23 billion).
Is Beam 1.0 open-weight?
Yes, Beam 1.0 is described as Reflection's open-weight reasoning model.
What is the maximum context length?
The context length is 1,048,576 tokens.
Do open weights permit free commercial use?
Not necessarily. Check the version license, commercial conditions and usage policies. Self-hosting incurs compute and maintenance costs.
Are these real-time billing prices?
These are timestamped source snapshots, not live billing prices. Check the channel for current versions, regions, discounts and billing methods.
Sources & traceability
许可证：来源未披露，须进一步核验。模型介绍与第三方评测均以原来源的具体版本和方法为准。