# Agents-A1 vs Claude Opus 5

> Side-by-side benchmark comparison for Agents-A1 and Claude Opus 5 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/agents-a1-vs-claude-opus-5
- Last updated: September 4, 2026

- Shared sourced benchmarks: 3
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Evidence is too thin for a benchmark verdict: Agents-A1 and Claude Opus 5 share only 3 sourced benchmark rows.

## Summary

- Only 3 shared sourced benchmark rows are available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- Agents-A1 has the larger published context window at 262K.

## Model Snapshot

| Property | Agents-A1 | Claude Opus 5 |
|----------|----------|----------|
| Creator | InternScience | Anthropic |
| Type | Open Weight | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 262K | null |
| Independent public score (not head-to-head) | null | 80.66 |
| Benchmarks Covered | 6 | 73 |
| Pricing (input/output) | N/A | $5.00 / $25.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Agents-A1 public-lane score: 52 (Estimated · #47/151)
- Claude Opus 5 public-lane score: 77.4 (Supported · #2/151)

| Benchmark | Agents-A1 | Claude Opus 5 | Winner |
|-----------|-----------|-----------|--------|
| BrowseComp | 75.5% | 90.8% | Claude Opus 5 |
| HLE w/ tools | 47.6% | 64.7% | Claude Opus 5 |
| VITA-Bench | 38.8% | Coming soon | Coming soon |
| Terminal-Bench 3.0 | Coming soon | 42.7% | Coming soon |
| DeepSearchQA | Coming soon | 95.0% | 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 |
| AutomationBench | Coming soon | 26.0% | Coming soon |
| Terminal-Bench 2.1 (Vals) | Coming soon | 84.6% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Agents-A1 public-lane score: Coming soon
- Claude Opus 5 public-lane score: 75.6 (Supported · #3/183)

| Benchmark | Agents-A1 | Claude Opus 5 | Winner |
|-----------|-----------|-----------|--------|
| Bug Hunt Bench | Coming soon | 27 fixes | Coming soon |
| SWE-bench Verified | Coming soon | 96% | Coming soon |
| SWE-bench Pro | Coming soon | 79.2% | 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 |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Agents-A1 public-lane score: Coming soon
- Claude Opus 5 public-lane score: 88.7 (#2/48)

| Benchmark | Agents-A1 | 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: Insufficient shared evidence
- Agents-A1 public-lane score: 34.1 (Unranked · 1 rankable row)
- Claude Opus 5 public-lane score: 75.6 (#13/22)

| Benchmark | Agents-A1 | Claude Opus 5 | Winner |
|-----------|-----------|-----------|--------|
| LongBench v2 | 60.2% | Coming soon | Coming soon |
| 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: Insufficient shared evidence
- Agents-A1 public-lane score: 52.6 (Estimated · #73/181)
- Claude Opus 5 public-lane score: 82.1 (Supported · #3/181)

| Benchmark | Agents-A1 | Claude Opus 5 | Winner |
|-----------|-----------|-----------|--------|
| HLE | 47.6% | 64.7% | Claude Opus 5 |
| 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 |

### Instruction Following

- Winner: Insufficient shared evidence
- Agents-A1 public-lane score: Coming soon
- Claude Opus 5 public-lane score: Coming soon

| Benchmark | Agents-A1 | Claude Opus 5 | Winner |
|-----------|-----------|-----------|--------|
| IFEval | 94.8% | Coming soon | Coming soon |

### Multilingual

- Winner: Insufficient shared evidence
- Agents-A1 public-lane score: Coming soon
- Claude Opus 5 public-lane score: Coming soon

| Benchmark | Agents-A1 | 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: Insufficient shared evidence
- Agents-A1 public-lane score: Coming soon
- Claude Opus 5 public-lane score: Coming soon

| Benchmark | Agents-A1 | 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

### Is there enough evidence to pick between Agents-A1 and Claude Opus 5?

Not yet. The models share only 3 sourced benchmark rows, so this mirror reports the available measurements and metadata without naming a broad winner.

### What can I compare safely on this page?

Published pricing, context windows, model type, and individual shared benchmark rows are directly comparable. Independent overall scores and non-overlapping benchmark coverage are labeled separately and should not be read as a controlled head-to-head result.

## Related Comparisons

- [Agents-A1 vs Agents-A1-F16-GGUF](/compare/agents-a1-vs-agents-a1-f16-gguf)
- [Claude Opus 5 vs Agents-A1-F16-GGUF](/compare/agents-a1-f16-gguf-vs-claude-opus-5)
- [Agents-A1 vs Agents-A1-FP8](/compare/agents-a1-vs-agents-a1-fp8)
- [Claude Opus 5 vs Agents-A1-FP8](/compare/agents-a1-fp8-vs-claude-opus-5)

## Explore More

- [Agents-A1 profile](/models/agents-a1)
- [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)