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Step 5 PreviewB
Beam 1.0
Beam 1.0 is a proprietary model from Reflection AI. It ranks #25 of 27 on the Vals Index with 43.42%.
- Developer
- Reflection AI
- Released
- —
- Context window
- —
- Price in / out, per 1M tokens
- —
- Weights
- Proprietary
- Inputs
- —
- Reasoning
- —
- Tool use
- —
Benchmarks
| Benchmark | Score bar | Accuracy | Rank | Cost / test |
|---|---|---|---|---|
| Vals IndexVals AI | 43.42% | 25 / 27 | N/A | |
| Terminal-Bench 4.0Coding | 4.04% | 47 / 55 | N/A | |
| Vibe Code BenchCoding | 66.44% | 47 / 115 | N/A | |
| Code MigrationCoding | 22.85% | 25 / 28 | N/A | |
| Finance AgentFinance | 51.83% | 29 / 31 | N/A | |
| Finance IndexFinance | 46.50% | 29 / 31 | N/A | |
| Tax Agent BenchFinance | 8.81% | 63 / 76 | N/A | |
| Legal IndexLaw | 61.80% | 26 / 28 | N/A | |
| Legal Research BenchLaw | 28.85% | 53 / 85 | N/A | |
| Terminal-Bench ScienceReasoning | 1.43% | 36 / 42 | N/A |
Vals AI, as of Oct 24, 2026.
Compare Beam 1.0
Reflection AI
Questions
Who makes Beam 1.0?
Beam 1.0 is made by Reflection AI.
Is Beam 1.0 open source?
No. Beam 1.0 is proprietary and served through its provider’s API.