Reflection: Beam 1.0 501B A23B
reflection/beam-1.0-501b-a23b
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...
Source: OpenRouter (live)
- Input
- $1.00
- USD per 1M tokens
- Output
- $3.00
- USD per 1M tokens
- Blended
- $1.50
- 75% in / 25% out
- Context
- 1.0M
- tokens
- Max output
- 944K
- tokens
- Modality
- text->text
Prices as listed on OpenRouter, refreshed every five minutes. Provider-direct prices may differ. Convert to your currency on the AI Tracker.
Price history
How this listing has moved
- 7-day
- -
- 30-day
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- 90-day
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First recorded 17 Oct 2026. Deltas appear once a second daily snapshot lands. See all changes on Market Movers.
Capabilities
Declared on the listing
- Tool / function calling Declared
- Reasoning controls Declared
- Structured output Declared
- InputText
- OutputText
Capabilities are read from the provider listing. "Not declared" means the listing does not advertise the feature, not that it is absent.
Why it costs this
Pricing context
- 1.8× median
- Market median blended price is $0.850/M across 443 priced models.
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