# Claude Sonnet 5 vs Beam 1.0 501B-A23B FP8

> Side-by-side benchmark comparison for Claude Sonnet 5 and Beam 1.0 501B-A23B FP8 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-sonnet-5-vs-reflection-beam-fp8
- Last updated: October 16, 2026

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

## Quick Verdict

Pick Beam 1.0 501B-A23B FP8 if you want the stronger benchmark profile. Claude Sonnet 5 only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Beam 1.0 501B-A23B FP8 leads overall 71 to 64.83.
- The clearest category separation is in mathematics, where the averages are 69.4 for Claude Sonnet 5 and 87.9 for Beam 1.0 501B-A23B FP8.
- The biggest single benchmark swing is BrowseComp in Agentic, with scores of 84.7% and 76.7%.
- Beam 1.0 501B-A23B FP8 is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | Claude Sonnet 5 | Beam 1.0 501B-A23B FP8 |
|----------|----------|----------|
| Creator | Anthropic | Reflection AI |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Overall Score | 64.83 | null |
| Benchmarks Covered | 29 | 19 |
| Pricing (input/output) | $2.00 / $10.00 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Claude Sonnet 5 public-lane score: 66.3 (Supported · #15/128)
- Beam 1.0 501B-A23B FP8 public-lane score: Coming soon

| Benchmark | Claude Sonnet 5 | Beam 1.0 501B-A23B FP8 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 3.0 | 14.6% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 80.4% | 78.9% | Claude Sonnet 5 |
| BrowseComp | 84.7% | 76.7% | Claude Sonnet 5 |
| HLE w/ tools | 57.4% | 51.1% | Claude Sonnet 5 |
| OSWorld-Verified | 81.2% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 74.5% | Coming soon | Coming soon |
| ApprenticeBench | 16% | Coming soon | Coming soon |
| MazeBench | 0% | Coming soon | Coming soon |
| τ³-bench results | Coming soon | 36.8% | Coming soon |
| MCP Atlas | Coming soon | 81.5% | Coming soon |
| DeepSearchQA | Coming soon | 79.6% | Coming soon |

### Coding

- Winner: Not comparable
- Claude Sonnet 5 public-lane score: 57.5 (Supported · #25/150)
- Beam 1.0 501B-A23B FP8 public-lane score: Coming soon

| Benchmark | Claude Sonnet 5 | Beam 1.0 501B-A23B FP8 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 85.2% | 80.2% | Claude Sonnet 5 |
| SWE-bench Pro | 63.2% | 65.9% | Beam 1.0 501B-A23B FP8 |
| SWE Multilingual | 78.3% | 78.1% | Claude Sonnet 5 |
| SWE Multimodal | 28.1% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 80.4% | 78.9% | Claude Sonnet 5 |
| FrontierCode 1.1 Main | 42.7% | Coming soon | Coming soon |
| CursorBench 3.2 | 61.5% | Coming soon | Coming soon |
| VulcanBench CII v1 | 89.2% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 82.4% | Coming soon | Coming soon |
| SWE-bench (Vals) | 79.6% | Coming soon | Coming soon |
| CursorBench 4.0 | 34.1% | Coming soon | Coming soon |
| DeepSWE | Coming soon | 43.0% | Coming soon |
| SWE-Atlas Codebase QnA | Coming soon | 32.2% | Coming soon |
| SciCode | Coming soon | 48.3% | Coming soon |

### Reasoning

- Winner: Not comparable
- Claude Sonnet 5 public-lane score: 82.2 (Unranked · 2 rankable rows)
- Beam 1.0 501B-A23B FP8 public-lane score: 85.8 (Unranked · 3 rankable rows)

| Benchmark | Claude Sonnet 5 | Beam 1.0 501B-A23B FP8 | Winner |
|-----------|-----------|-----------|--------|
| CritPt | Coming soon | 17.4% | Coming soon |
| LongBench v2 | Coming soon | 67.6% | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Claude Sonnet 5 public-lane score: 82 (#15/54)
- Beam 1.0 501B-A23B FP8 public-lane score: Coming soon

| Benchmark | Claude Sonnet 5 | Beam 1.0 501B-A23B FP8 | Winner |
|-----------|-----------|-----------|--------|
| CharXiv | 88.3% | Coming soon | Coming soon |
| CharXiv w/o tools | 77% | Coming soon | Coming soon |

### Knowledge

- Winner: Not comparable
- Claude Sonnet 5 public-lane score: 65.3 (Supported · #34/184)
- Beam 1.0 501B-A23B FP8 public-lane score: Coming soon

| Benchmark | Claude Sonnet 5 | Beam 1.0 501B-A23B FP8 | Winner |
|-----------|-----------|-----------|--------|
| HLE | 57.4% | Coming soon | Coming soon |
| HLE w/o tools | 43.2% | 36% | Claude Sonnet 5 |
| HLE-Verified | 31.0% | Coming soon | Coming soon |
| LABBench2 | 80.1% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 88.9% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 87.5% | Coming soon | Coming soon |
| GPQA-D | Coming soon | 90.3% | Coming soon |

### Instruction Following

- Winner: Not comparable
- Claude Sonnet 5 public-lane score: Coming soon
- Beam 1.0 501B-A23B FP8 public-lane score: 89.8 (#28/148)

| Benchmark | Claude Sonnet 5 | Beam 1.0 501B-A23B FP8 | Winner |
|-----------|-----------|-----------|--------|
| IFBench | Coming soon | 80.7% | Coming soon |

### Mathematics

- Winner: Not comparable
- Claude Sonnet 5 public-lane score: 69.4 (Unranked · 2 rankable rows)
- Beam 1.0 501B-A23B FP8 public-lane score: 87.9 (Unranked · 1 rankable row)

| Benchmark | Claude Sonnet 5 | Beam 1.0 501B-A23B FP8 | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 65.614% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 29.268% | Coming soon | Coming soon |
| AIME26 | Coming soon | 98.0% | Coming soon |

## FAQ

### Which is better overall, Claude Sonnet 5 or Beam 1.0 501B-A23B FP8?

Beam 1.0 501B-A23B FP8 is ahead overall on BenchLM right now.

### Where is the biggest gap between Claude Sonnet 5 and Beam 1.0 501B-A23B FP8?

The widest category gap is in mathematics, where the averages are 69.4 for Claude Sonnet 5 and 87.9 for Beam 1.0 501B-A23B FP8.

### How many benchmarks does Claude Sonnet 5 cover on BenchLM?

Claude Sonnet 5 currently has 29 sourced benchmark scores on BenchLM.

### How many benchmarks does Beam 1.0 501B-A23B FP8 cover on BenchLM?

Beam 1.0 501B-A23B FP8 currently has 19 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Claude Sonnet 5 vs Beam 1.0 501B-A23B](/compare/claude-sonnet-5-vs-reflection-beam)
- [Beam 1.0 501B-A23B FP8 vs Beam 1.0 501B-A23B](/compare/reflection-beam-vs-reflection-beam-fp8)
- [Claude Sonnet 5 vs Beam 1.0 501B-A23B NVFP4](/compare/claude-sonnet-5-vs-reflection-beam-nvfp4)
- [Beam 1.0 501B-A23B FP8 vs Beam 1.0 501B-A23B NVFP4](/compare/reflection-beam-fp8-vs-reflection-beam-nvfp4)

## Explore More

- [Claude Sonnet 5 profile](/models/claude-sonnet-5)
- [Beam 1.0 501B-A23B FP8 profile](/models/reflection-beam-fp8)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)