# Atria Dawn Preview vs Beam

> Side-by-side benchmark comparison for Atria Dawn Preview and Beam across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/atria-dawn-preview-vs-reflection-beam
- Last updated: October 5, 2026

- Shared sourced benchmarks: 5
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Pick Atria Dawn Preview if you want the stronger benchmark profile. Beam only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Atria Dawn Preview leads overall 64 to 0.
- The biggest single benchmark swing is DeepSearchQA in Agentic, with scores of 96.0% and 80.1%.
- Beam is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Atria Dawn Preview also has the larger context window at 256K.

## Model Snapshot

| Property | Atria Dawn Preview | Beam |
|----------|----------|----------|
| Creator | Shanghai Artificial Intelligence Laboratory | Reflection AI |
| Type | Open Weight | Pending |
| Reasoning | Reasoning | Reasoning |
| Context | 256K | null |
| Overall Score | null | null |
| Benchmarks Covered | 13 | 16 |
| Pricing (input/output) | $0.00 / $0.00 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Atria Dawn Preview public-lane score: Coming soon
- Beam public-lane score: Coming soon

| Benchmark | Atria Dawn Preview | Beam | Winner |
|-----------|-----------|-----------|--------|
| AutomationBench | 53.8% | Coming soon | Coming soon |
| BFCL v4 | 77.0% | Coming soon | Coming soon |
| CyberGym | 86.5% | Coming soon | Coming soon |
| DeepSearchQA | 96.0% | 80.1% | Atria Dawn Preview |
| BrowseComp | 92.5% | 77.4% | Atria Dawn Preview |
| skillsBench | 66.4% | Coming soon | Coming soon |
| MLE-Bench Lite | 86.2% | Coming soon | Coming soon |
| WideResearch | 81.9% | Coming soon | Coming soon |
| τ³-bench results | 41.2% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 78.3% | 80.1% | Beam |
| JobBench | 50.3% | Coming soon | Coming soon |
| MCP Atlas | Coming soon | 78.7% | Coming soon |

### Coding

- Winner: Not comparable
- Atria Dawn Preview public-lane score: Coming soon
- Beam public-lane score: Coming soon

| Benchmark | Atria Dawn Preview | Beam | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 78.3% | 80.1% | Beam |
| SWE-bench Pro | 59.6% | 65.5% | Beam |
| DeepSWE | Coming soon | 44.4% | Coming soon |
| SWE-Atlas Codebase QnA | Coming soon | 34.6% | Coming soon |
| SWE Multilingual | Coming soon | 78% | Coming soon |
| SWE-bench Verified | Coming soon | 80.9% | Coming soon |
| SciCode | Coming soon | 49.7% | Coming soon |

### Reasoning

- Winner: Not comparable
- Atria Dawn Preview public-lane score: Coming soon
- Beam public-lane score: Coming soon

| Benchmark | Atria Dawn Preview | Beam | Winner |
|-----------|-----------|-----------|--------|
| LongBench v2 | Coming soon | 65.5% | Coming soon |

### Knowledge

- Winner: Not comparable
- Atria Dawn Preview public-lane score: Coming soon
- Beam public-lane score: Coming soon

| Benchmark | Atria Dawn Preview | Beam | Winner |
|-----------|-----------|-----------|--------|
| GPQA-D | Coming soon | 90.5% | Coming soon |
| HLE w/o tools | Coming soon | 36.2% | Coming soon |

### Instruction Following

- Winner: Not comparable
- Atria Dawn Preview public-lane score: Coming soon
- Beam public-lane score: Coming soon

| Benchmark | Atria Dawn Preview | Beam | Winner |
|-----------|-----------|-----------|--------|
| IFBench | Coming soon | 79.7% | Coming soon |

### Mathematics

- Winner: Not comparable
- Atria Dawn Preview public-lane score: Coming soon
- Beam public-lane score: Coming soon

| Benchmark | Atria Dawn Preview | Beam | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | Coming soon | 97.8% | Coming soon |

## FAQ

### Which is better overall, Atria Dawn Preview or Beam?

Atria Dawn Preview is ahead overall on BenchLM right now.

### How many benchmarks does Atria Dawn Preview cover on BenchLM?

Atria Dawn Preview currently has 13 sourced benchmark scores on BenchLM.

### How many benchmarks does Beam cover on BenchLM?

Beam currently has 16 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Atria Dawn Preview vs Claude Opus 5.5](/compare/atria-dawn-preview-vs-claude-opus-5-5)
- [Beam vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-reflection-beam)
- [Atria Dawn Preview vs GPT-6 Astra](/compare/atria-dawn-preview-vs-gpt-6-astra)
- [Beam vs GPT-6 Astra](/compare/gpt-6-astra-vs-reflection-beam)

## Explore More

- [Atria Dawn Preview profile](/models/atria-dawn-preview)
- [Beam profile](/models/reflection-beam)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)