token.app › Compare › Beam 1.0 501B A23B vs Claude Opus 5
Beam 1.0 501B A23B vs Claude Opus 5
Beam 1.0 501B A23B is 23× cheaper per token on a blended 3:1 basis. Beam 1.0 501B A23B accepts the larger context window (1.0M).
Head to head
Blended price uses a 3:1 input:output mix
| Beam 1.0 501B A23B | Claude Opus 5 | |
|---|---|---|
| Provider | Reflection | Anthropic |
| Input $/1M | $0.250 | $5.00 |
| Output $/1M | $1.00 | $25.00 |
| Blended $/1M | $0.438 | $10.00 |
| Context window | 1.0M | 1M |
| Max output | 131K | 128K |
| Released | Oct 2026 | Jul 2026 |
| Licence | Open weights | Proprietary |
Choose Beam 1.0 501B A23B if…
- Costs less per token — $0.438 vs $10.00 blended
- Larger context window (1.0M)
- Open weights — self-hostable
- Newer model (released Oct 2026)
Choose Claude Opus 5 if…
- No clear advantage on the data we hold.
FAQ
Which is better, Beam 1.0 501B A23B or Claude Opus 5?
We do not hold independently-run benchmark scores covering both Beam 1.0 501B A23B and Claude Opus 5, so we make no quality claim. Their pricing and specifications are compared on this page.
Is Beam 1.0 501B A23B cheaper than Claude Opus 5?
Beam 1.0 501B A23B is cheaper: $0.438 versus $10.00 per million tokens blended at 3:1 input:output. Input alone: $0.250 vs $5.00. Output alone: $1.00 vs $25.00.
What context windows do Beam 1.0 501B A23B and Claude Opus 5 have?
Beam 1.0 501B A23B: 1,048,576 tokens. Claude Opus 5: 1,000,000 tokens.
Who makes Beam 1.0 501B A23B and Claude Opus 5?
Beam 1.0 501B A23B is made by Reflection. Claude Opus 5 is made by Anthropic.
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