# Atria Dawn Preview vs Claude Opus 5

> Side-by-side benchmark comparison for Atria Dawn Preview and Claude Opus 5 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/atria-dawn-preview-vs-claude-opus-5
- Last updated: September 14, 2026

- Shared sourced benchmarks: 4
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Pick Claude Opus 5 if you want the stronger benchmark profile. Atria Dawn Preview only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Claude Opus 5 leads overall 81.89 to 63.
- The clearest category separation is in coding, where the averages are 51.6 for Atria Dawn Preview and 75.9 for Claude Opus 5.
- The biggest single benchmark swing is AutomationBench in Agentic, with scores of 53.8% and 26.0%.
- Atria Dawn Preview 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 | Claude Opus 5 |
|----------|----------|----------|
| Creator | Shanghai Artificial Intelligence Laboratory | Anthropic |
| Type | Open Weight | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 256K | null |
| Overall Score | null | 81.89 |
| Benchmarks Covered | 13 | 75 |
| Pricing (input/output) | $0.00 / $0.00 | $5.00 / $25.00 |

## Category Breakdown

### Agentic

- Winner: Coming soon
- Atria Dawn Preview public-lane score: 57.9 (Estimated · #31/153)
- Claude Opus 5 public-lane score: 78.1 (Supported · #2/153)

| Benchmark | Atria Dawn Preview | Claude Opus 5 | Winner |
|-----------|-----------|-----------|--------|
| AutomationBench | 53.8% | 26.0% | Atria Dawn Preview |
| BFCL v4 | 77.0% | Coming soon | Coming soon |
| CyberGym | 86.5% | Coming soon | Coming soon |
| DeepSearchQA | 96.0% | 95.0% | Atria Dawn Preview |
| BrowseComp | 92.5% | 90.8% | 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% | Coming soon | Coming soon |
| JobBench | 50.3% | Coming soon | Coming soon |
| Terminal-Bench 3.0 | Coming soon | 42.7% | Coming soon |
| HLE w/ tools | Coming soon | 64.7% | Coming soon |
| DRACO | Coming soon | 88.6% | Coming soon |
| BrowseComp (10-agent, prerelease) | Coming soon | 93.6% | Coming soon |
| OSWorld 2.0 | Coming soon | 70.6% | Coming soon |
| MCP Atlas | Coming soon | 85.8% | Coming soon |
| MCP-Atlas claim coverage | Coming soon | 89.1% | Coming soon |
| LAB all-pass (Anthropic harness) | Coming soon | 23.58% | Coming soon |
| LAB criterion-pass (Anthropic harness) | Coming soon | 93.74% | Coming soon |
| LAB all-pass (Harvey held-out) | Coming soon | 11.7% | Coming soon |
| LAB criterion-pass (Harvey held-out) | Coming soon | 94.1% | Coming soon |
| Toolathlon-Verified | Coming soon | 80.6% | Coming soon |
| Toolathlon Verified Pass@3 | Coming soon | 87.0% | Coming soon |
| Toolathlon Verified Pass³ | Coming soon | 73.1% | Coming soon |
| Toolathlon Verified avg. turns | Coming soon | 23.5 turns | Coming soon |
| Terminal-Bench 2.1 (Vals) | Coming soon | 84.6% | Coming soon |
| ApprenticeBench | Coming soon | 36% | Coming soon |

### Coding

- Winner: Coming soon
- Atria Dawn Preview public-lane score: 51.6 (Estimated · #51/152)
- Claude Opus 5 public-lane score: 75.9 (Supported · #3/152)

| Benchmark | Atria Dawn Preview | Claude Opus 5 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 78.3% | Coming soon | Coming soon |
| SWE-bench Pro | 59.6% | 79.2% | Claude Opus 5 |
| Bug Hunt Bench | Coming soon | 27 fixes | Coming soon |
| SWE-bench Verified | Coming soon | 96% | Coming soon |
| SWE Multilingual | Coming soon | 89.5% | Coming soon |
| SWE Multimodal | Coming soon | 59.4% | Coming soon |
| DeepSWE | Coming soon | 68.8% | Coming soon |
| FrontierCode 1.1 Main | Coming soon | 53.4% | Coming soon |
| FrontierCode 1.1 Extended | Coming soon | 63.6% | Coming soon |
| FrontierSWE v2 | Coming soon | 52.0% | Coming soon |
| ProgramBench (episode 1) | Coming soon | 83.0% | Coming soon |
| ProgramBench | Coming soon | 93.0% | Coming soon |
| cursorBench32 | Coming soon | 70.0% | Coming soon |
| VulcanBench v3 | Coming soon | 87.0% | Coming soon |
| VulcanBench CII v1 | Coming soon | 96.4% | Coming soon |
| LiveCodeBench (Vals) | Coming soon | 89.0% | Coming soon |
| SWE-bench (Vals) | Coming soon | 97.0% | Coming soon |
| cursorBench40 | Coming soon | 46.6% | Coming soon |

### Multimodal & Grounded

- Winner: Coming soon
- Atria Dawn Preview public-lane score: Coming soon
- Claude Opus 5 public-lane score: 88.7 (#2/48)

| Benchmark | Atria Dawn Preview | Claude Opus 5 | Winner |
|-----------|-----------|-----------|--------|
| Chartography (no tools) | Coming soon | 29.6% | Coming soon |
| Chartography (tools) | Coming soon | 83.0% | Coming soon |
| BenchCAD Vision2Code (no tools) | Coming soon | 0.366 | Coming soon |
| BenchCAD Vision2Code (tools) | Coming soon | 0.821 | Coming soon |
| GDP.pdf (no tools) | Coming soon | 83.4% | Coming soon |
| GDP.pdf (tools) | Coming soon | 85.5% | Coming soon |
| OfficeQA | Coming soon | 78.1% | Coming soon |
| OfficeQA Pro | Coming soon | 66.9% | Coming soon |

### Reasoning

- Winner: Coming soon
- Atria Dawn Preview public-lane score: Coming soon
- Claude Opus 5 public-lane score: 75.7 (#11/20)

| Benchmark | Atria Dawn Preview | Claude Opus 5 | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-1 | Coming soon | 97.50% | Coming soon |
| ARC-AGI-2 | Coming soon | 90.4% | Coming soon |
| ARC-AGI-3 | Coming soon | 30.2% | Coming soon |

### Knowledge

- Winner: Coming soon
- Atria Dawn Preview public-lane score: Coming soon
- Claude Opus 5 public-lane score: 82.2 (Supported · #3/183)

| Benchmark | Atria Dawn Preview | Claude Opus 5 | Winner |
|-----------|-----------|-----------|--------|
| HLE | Coming soon | 64.7% | Coming soon |
| HLE w/o tools | Coming soon | 56.3% | Coming soon |
| HLE-Verified | Coming soon | 54.4% | Coming soon |
| LABBench2 | Coming soon | 84.2% | Coming soon |
| HealthBench (raw) | Coming soon | 67.1% | Coming soon |
| HealthBench (length-adjusted) | Coming soon | 57.8% | Coming soon |
| HealthBench Professional | Coming soon | 59.8% | Coming soon |
| HealthBench Professional (raw) | Coming soon | 73.4% | Coming soon |
| BioMysteryBench (human-solvable) | Coming soon | 90.1% | Coming soon |
| BioMysteryBench (human-difficult) | Coming soon | 49.4% | Coming soon |
| SpatialBench Verified | Coming soon | 72.5% | Coming soon |
| SingleCellBench | Coming soon | 60.6% | Coming soon |
| ProteinGym Hard | Coming soon | 47.7% | Coming soon |
| Protein Design | Coming soon | 42.5% | Coming soon |
| Organic chemistry V2 | Coming soon | 61.6% | Coming soon |
| Protocols (troubleshooting) | Coming soon | 61.1% | Coming soon |
| Protocols (understanding) | Coming soon | 78.4% | Coming soon |
| GPQA Diamond (Vals) | Coming soon | 93.4% | Coming soon |
| MMLU-Pro (Vals) | Coming soon | 91.6% | Coming soon |

### Multilingual

- Winner: Coming soon
- Atria Dawn Preview public-lane score: Coming soon
- Claude Opus 5 public-lane score: Coming soon

| Benchmark | Atria Dawn Preview | Claude Opus 5 | Winner |
|-----------|-----------|-----------|--------|
| GMMLU | Coming soon | 92.5% | Coming soon |
| MILU | Coming soon | 92.1% | Coming soon |
| INCLUDE | Coming soon | 89.8% | Coming soon |

### Mathematics

- Winner: Coming soon
- Atria Dawn Preview public-lane score: Coming soon
- Claude Opus 5 public-lane score: Coming soon

| Benchmark | Atria Dawn Preview | Claude Opus 5 | Winner |
|-----------|-----------|-----------|--------|
| IMO 2026 | Coming soon | 42/42 | Coming soon |
| RiemannBench (no tools) | Coming soon | 60.0% | Coming soon |
| RiemannBench (tools) | Coming soon | 79.0% | Coming soon |
| ArXivMath Jun. 2026 (no tools) | Coming soon | 90.8% | Coming soon |
| ArXivMath Jun. 2026 (tools) | Coming soon | 91.3% | Coming soon |

## FAQ

### Which is better overall, Atria Dawn Preview or Claude Opus 5?

Claude Opus 5 is ahead overall on BenchLM right now.

### Where is the biggest gap between Atria Dawn Preview and Claude Opus 5?

The widest category gap is in coding, where the averages are 51.6 for Atria Dawn Preview and 75.9 for Claude Opus 5.

### 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 Claude Opus 5 cover on BenchLM?

Claude Opus 5 currently has 75 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Atria Dawn Preview vs Claude Fable 5.1](/compare/atria-dawn-preview-vs-claude-fable-5-1)
- [Claude Opus 5 vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-claude-opus-5)
- [Atria Dawn Preview vs GPT-6 Astra](/compare/atria-dawn-preview-vs-gpt-6-astra)
- [Claude Opus 5 vs GPT-6 Astra](/compare/claude-opus-5-vs-gpt-6-astra)

## Explore More

- [Atria Dawn Preview profile](/models/atria-dawn-preview)
- [Claude Opus 5 profile](/models/claude-opus-5)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)