Model · language model
Beam-1.0-501B-A23B
Beam-1.0-501B-A23B is a language model from Reflection, first covered on 16 October 2026. It is available as open weights you can download and run (licence: Apache 2.0). Its context window is 1M tokens.
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Quick facts
- Who makes Beam-1.0-501B-A23B?
- Beam-1.0-501B-A23B is made by Reflection. Reflection news →
- When was Beam-1.0-501B-A23B released?
- The first report of Beam-1.0-501B-A23B's release that Digest AI covered was published on 16 October 2026.
- What type of model is Beam-1.0-501B-A23B?
- Beam-1.0-501B-A23B is a language model.
- Are Beam-1.0-501B-A23B's weights open?
- Yes. Beam-1.0-501B-A23B is released as open weights that can be downloaded and run, under the Apache 2.0 licence.
- What is Beam-1.0-501B-A23B's context window?
- Beam-1.0-501B-A23B's context window is 1M tokens.
- Where is Beam-1.0-501B-A23B available?
- Beam-1.0-501B-A23B is available as open weights that can be downloaded and run. huggingface.co/reflection/Beam-1.0-501B-A23B ↗
Taken from the coverage, not from our own testing. A question is left out when none of the reports we read gave the answer. All tracked models →
1 story about Beam-1.0-501B-A23B
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Reflection releases open-weight Beam 1.0 with 501B parameters and 1M-token context
Reflection announced Beam 1.0, an open-weight language model with 501 billion parameters and 23 billion active parameters using a sparse mixture-of-experts architecture. The model supports a 1 million-token context…
4 sources primary sourceAWS Machine Learning BlogUnite.AIhuggingface.co
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