Beam 1.0 501B A23B pricing & price history
Beam 1.0 501B A23B by Reflection costs $0.25 per 1M input tokens and $1.00 per 1M output tokens, with a 1M token context window.
Price history
| Date | Input | Output |
|---|---|---|
| 2026-10-22 | $0.30 → $0.25 -17% | $1.00 → $1.00 |
| 2026-10-20 | $1.00 → $0.30 -70% | $3.00 → $1.00 -67% |
| 2026-10-17 | $0.25 → $1.00 +300% | $1.00 → $3.00 +200% |
Cost calculator
Cheaper alternatives to Beam 1.0 501B A23B
| Model | Input | Output | Context | Intel. | |
|---|---|---|---|---|---|
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About 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...
FAQ
How much does Beam 1.0 501B A23B cost?
Beam 1.0 501B A23B by Reflection costs $0.25 per 1M input tokens and $1.00 per 1M output tokens, with a 1M token context window. A typical request with 2,000 input and 500 output tokens costs about $0.001.
What is the context window of Beam 1.0 501B A23B?
Beam 1.0 501B A23B supports up to 1,048,576 tokens of context and up to 131,072 output tokens per request.
Has Beam 1.0 501B A23B’s price changed?
Yes. ModelBank recorded 3 price changes; the latest on 2026-10-22.
Is Beam 1.0 501B A23B being deprecated?
No retirement date has been announced for Beam 1.0 501B A23B as of 2026-10-31.
What are cheaper alternatives to Beam 1.0 501B A23B?
Cheaper options include GLM 5.3 Flash ($0.0149/$0.15), MiniMax M3.1 Flash ($0.075/$0.30), DeepSeek V4 Flash 0731 ($0.12/$0.24), Llama 4 Scout ($0.10/$0.30).