# Beam 1.0 501B-A23B vs Sage-A1.5

> Side-by-side benchmark comparison for Beam 1.0 501B-A23B and Sage-A1.5 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/reflection-beam-vs-sage-a1-5
- Last updated: October 20, 2026

- Shared sourced benchmarks: 7
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Sage-A1.5 leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Sage-A1.5 has the higher overall point estimate 62.95 to 51.55. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in agentic, where the averages are 49.9 for Beam 1.0 501B-A23B and 57.7 for Sage-A1.5.
- The biggest single benchmark swing is SWE Multilingual in Coding, with scores of 78.3% and 72.7%.
- Sage-A1.5 is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Beam 1.0 501B-A23B also has the larger context window at 1M.

## Model Snapshot

| Property | Beam 1.0 501B-A23B | Sage-A1.5 |
|----------|----------|----------|
| Creator | Reflection AI | InternScience |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 262K |
| Overall Score | 51.55 | 62.95 |
| Benchmarks Covered | 19 | 12 |
| Pricing (input/output) | Pricing unavailable / Pricing unavailable | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Directional only
- Beam 1.0 501B-A23B public-lane score: 49.9 (Supported · #50/132)
- Sage-A1.5 public-lane score: 57.7 (Estimated · #36/132)

| Benchmark | Beam 1.0 501B-A23B | Sage-A1.5 | Winner |
|-----------|-----------|-----------|--------|
| τ³-bench results | 36.1% | Coming soon | Coming soon |
| HLE w/ tools | 51.1% | 55.1% | Sage-A1.5 |
| Terminal-Bench 2.1 | 80.1% | Coming soon | Coming soon |
| MCP Atlas | 80.8% | Coming soon | Coming soon |
| BrowseComp | 76.8% | 81.7% | Sage-A1.5 |
| DeepSearchQA | 80.5% | Coming soon | Coming soon |
| GAIA | Coming soon | 95.1% | Coming soon |
| MLE-Bench Lite | Coming soon | 65.2% | Coming soon |
| VITA-Bench | Coming soon | 45.4% | Coming soon |
| PinchBench | Coming soon | 90.0% | Coming soon |

### Coding

- Winner: Not comparable
- Beam 1.0 501B-A23B public-lane score: Coming soon
- Sage-A1.5 public-lane score: 54 (Estimated · #34/153)

| Benchmark | Beam 1.0 501B-A23B | Sage-A1.5 | Winner |
|-----------|-----------|-----------|--------|
| DeepSWE | 43.3% | Coming soon | Coming soon |
| SWE-bench Pro | 66.1% | 61.2% | Beam 1.0 501B-A23B |
| Terminal-Bench 2.1 | 80.1% | Coming soon | Coming soon |
| SWE-Atlas Codebase QnA | 31.8% | Coming soon | Coming soon |
| SWE Multilingual | 78.3% | 72.7% | Beam 1.0 501B-A23B |
| SWE-bench Verified | 81.6% | Coming soon | Coming soon |
| SciCode | 49.2% | 44.3% | Beam 1.0 501B-A23B |

### Reasoning

- Winner: Not comparable
- Beam 1.0 501B-A23B public-lane score: 78.7 (Unranked · 2 rankable rows)
- Sage-A1.5 public-lane score: 80.6 (Unranked · 2 rankable rows)

| Benchmark | Beam 1.0 501B-A23B | Sage-A1.5 | Winner |
|-----------|-----------|-----------|--------|
| CritPt | 16.3% | 20.0% | Sage-A1.5 |
| LongBench v2 | 67.5% | Coming soon | Coming soon |

### Knowledge

- Winner: Not comparable
- Beam 1.0 501B-A23B public-lane score: 55.5 (Supported · #58/187)
- Sage-A1.5 public-lane score: Coming soon

| Benchmark | Beam 1.0 501B-A23B | Sage-A1.5 | Winner |
|-----------|-----------|-----------|--------|
| GPQA-D | 90.6% | Coming soon | Coming soon |
| HLE w/o tools | 36% | Coming soon | Coming soon |
| FrontierScience Research | Coming soon | 48.3% | Coming soon |

### Instruction Following

- Winner: Not comparable
- Beam 1.0 501B-A23B public-lane score: Coming soon
- Sage-A1.5 public-lane score: 91.9 (#22/152)

| Benchmark | Beam 1.0 501B-A23B | Sage-A1.5 | Winner |
|-----------|-----------|-----------|--------|
| IFBench | 79.6% | 81.6% | Sage-A1.5 |

### Mathematics

- Winner: Not comparable
- Beam 1.0 501B-A23B public-lane score: Coming soon
- Sage-A1.5 public-lane score: Coming soon

| Benchmark | Beam 1.0 501B-A23B | Sage-A1.5 | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | 97.7% | Coming soon | Coming soon |

## FAQ

### Which is better overall, Beam 1.0 501B-A23B or Sage-A1.5?

Sage-A1.5 has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between Beam 1.0 501B-A23B and Sage-A1.5?

The widest category gap is in agentic, where the averages are 49.9 for Beam 1.0 501B-A23B and 57.7 for Sage-A1.5.

### How many benchmarks does Beam 1.0 501B-A23B cover on BenchLM?

Beam 1.0 501B-A23B currently has 19 sourced benchmark scores on BenchLM.

### How many benchmarks does Sage-A1.5 cover on BenchLM?

Sage-A1.5 currently has 12 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Beam 1.0 501B-A23B vs Beam 1.0 501B-A23B FP8](/compare/reflection-beam-vs-reflection-beam-fp8)
- [Sage-A1.5 vs Beam 1.0 501B-A23B FP8](/compare/reflection-beam-fp8-vs-sage-a1-5)
- [Beam 1.0 501B-A23B vs Beam 1.0 501B-A23B NVFP4](/compare/reflection-beam-vs-reflection-beam-nvfp4)
- [Sage-A1.5 vs Beam 1.0 501B-A23B NVFP4](/compare/reflection-beam-nvfp4-vs-sage-a1-5)

## Explore More

- [Beam 1.0 501B-A23B profile](/models/reflection-beam)
- [Sage-A1.5 profile](/models/sage-a1-5)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)