Beam 1.0
language modelReflection
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... License: apache-2.0.
Key facts
| Made by | Reflection |
|---|---|
| Type | language model |
| Released | October 7, 2026 |
| License | apache-2.0 |
| Reads at once | 1,048,576 tokens |
| Price (API, per million tokens) | $0.25 in · $1 out |
| Input → output | text → text |
| Sizes | 501B |
| Downloads (recent) | 6.6K |
| Likes on Hugging Face | 281 |
Questions about Beam 1.0
Who makes Beam 1.0?
Beam 1.0 is made by Reflection.
When was Beam 1.0 released?
We first saw Beam 1.0 listed on October 7, 2026.
How much does Beam 1.0 cost?
Through OpenRouter it costs $0.25 per million input tokens and $1 per million output tokens. Prices change, so check the provider before you build on it.
How much text can Beam 1.0 read at once?
Up to 1,048,576 tokens, roughly 786.4K words.
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Modelcast collects this page automatically from public sources (OpenRouter, Hugging Face). Facts are copied from those sources, not written by the maker. Not affiliated with Reflection.