# LongCat-2.5 vs Beam 1.0 501B-A23B FP8

> Side-by-side benchmark comparison for LongCat-2.5 and Beam 1.0 501B-A23B FP8 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/longcat-2-5-vs-reflection-beam-fp8
- Last updated: November 9, 2026

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

## Quick Verdict

Pick Beam 1.0 501B-A23B FP8 if you want the stronger benchmark profile. LongCat-2.5 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 69 to 0.
- The biggest single benchmark swing is SWE-Atlas Codebase QnA in Coding, with scores of 58.3% and 32.2%.
- 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 | LongCat-2.5 | Beam 1.0 501B-A23B FP8 |
|----------|----------|----------|
| Creator | Meituan | Reflection AI |
| Type | Open Weight | Open Weight |
| Reasoning | Hybrid | Reasoning |
| Context | 1M | 1M |
| Overall Score | null | null |
| Benchmarks Covered | 22 | 19 |
| Pricing (input/output) | $0.30 / $1.20 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Not comparable
- LongCat-2.5 public-lane score: Coming soon
- Beam 1.0 501B-A23B FP8 public-lane score: Coming soon

| Benchmark | LongCat-2.5 | Beam 1.0 501B-A23B FP8 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 88.4% | 78.9% | LongCat-2.5 |
| Terminal-Bench 4.0 | 38.50% | Coming soon | Coming soon |
| BrowseComp | 91.9% | 76.7% | LongCat-2.5 |
| AutomationBench | 51.8% | Coming soon | Coming soon |
| HLE w/ tools | 63.1% | 51.1% | LongCat-2.5 |
| Agents' Last Exam | 38.5% | Coming soon | Coming soon |
| MCP Atlas | 83.1% | 81.5% | LongCat-2.5 |
| JobBench | 65.4% | Coming soon | Coming soon |
| skillsBench | 63.3% | Coming soon | Coming soon |
| SpreadsheetBench 2 | 34.9% | Coming soon | Coming soon |
| Claw-Eval | 78.3% | Coming soon | Coming soon |
| τ³-bench results | Coming soon | 36.8% | Coming soon |
| DeepSearchQA | Coming soon | 79.6% | Coming soon |

### Coding

- Winner: Not comparable
- LongCat-2.5 public-lane score: Coming soon
- Beam 1.0 501B-A23B FP8 public-lane score: Coming soon

| Benchmark | LongCat-2.5 | Beam 1.0 501B-A23B FP8 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 88.4% | 78.9% | LongCat-2.5 |
| ProgramBench | 25.5% | Coming soon | Coming soon |
| DeepSWE | 64.6% | 43.0% | LongCat-2.5 |
| PaperBench | 82.1% | Coming soon | Coming soon |
| SWE-Atlas Codebase QnA | 58.3% | 32.2% | LongCat-2.5 |
| NL2Repo | 60.5% | Coming soon | Coming soon |
| SWE-bench Pro | Coming soon | 65.9% | Coming soon |
| SWE Multilingual | Coming soon | 78.1% | Coming soon |
| SWE-bench Verified | Coming soon | 80.2% | Coming soon |
| SciCode | Coming soon | 48.3% | Coming soon |

### Reasoning

- Winner: Not comparable
- LongCat-2.5 public-lane score: Coming soon
- Beam 1.0 501B-A23B FP8 public-lane score: Coming soon

| Benchmark | LongCat-2.5 | 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
- LongCat-2.5 public-lane score: Coming soon
- Beam 1.0 501B-A23B FP8 public-lane score: Coming soon

| Benchmark | LongCat-2.5 | Beam 1.0 501B-A23B FP8 | Winner |
|-----------|-----------|-----------|--------|
| Vision2Web | 78.6% | Coming soon | Coming soon |
| CharXiv | 90.2% | Coming soon | Coming soon |
| MathVision w/ Python | 96.5% | Coming soon | Coming soon |
| Video-MME | 85.2% | Coming soon | Coming soon |

### Knowledge

- Winner: Not comparable
- LongCat-2.5 public-lane score: Coming soon
- Beam 1.0 501B-A23B FP8 public-lane score: Coming soon

| Benchmark | LongCat-2.5 | Beam 1.0 501B-A23B FP8 | Winner |
|-----------|-----------|-----------|--------|
| FrontierScience | 77% | Coming soon | Coming soon |
| GPQA-D | Coming soon | 90.3% | Coming soon |
| HLE w/o tools | Coming soon | 36% | Coming soon |

### Instruction Following

- Winner: Not comparable
- LongCat-2.5 public-lane score: Coming soon
- Beam 1.0 501B-A23B FP8 public-lane score: 89.8 (#31/157)

| Benchmark | LongCat-2.5 | Beam 1.0 501B-A23B FP8 | Winner |
|-----------|-----------|-----------|--------|
| IFBench | Coming soon | 80.7% | Coming soon |

### Mathematics

- Winner: Not comparable
- LongCat-2.5 public-lane score: Coming soon
- Beam 1.0 501B-A23B FP8 public-lane score: 84.4 (Unranked · 1 rankable row)

| Benchmark | LongCat-2.5 | Beam 1.0 501B-A23B FP8 | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | Coming soon | 98.0% | Coming soon |

## FAQ

### Which is better overall, LongCat-2.5 or Beam 1.0 501B-A23B FP8?

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

### How many benchmarks does LongCat-2.5 cover on BenchLM?

LongCat-2.5 currently has 22 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

- [LongCat-2.5 vs Beam 1.0 501B-A23B](/compare/longcat-2-5-vs-reflection-beam)
- [Beam 1.0 501B-A23B FP8 vs Beam 1.0 501B-A23B](/compare/reflection-beam-vs-reflection-beam-fp8)
- [LongCat-2.5 vs Beam 1.0 501B-A23B NVFP4](/compare/longcat-2-5-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

- [LongCat-2.5 profile](/models/longcat-2-5)
- [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)