# ERNIE 5.5 Flash Preview vs Beam 1.0 501B-A23B

> Side-by-side benchmark comparison for ERNIE 5.5 Flash Preview and Beam 1.0 501B-A23B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/ernie-5-5-flash-preview-vs-reflection-beam
- Last updated: November 11, 2026

- Shared sourced benchmarks: 4
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Beam 1.0 501B-A23B leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Beam 1.0 501B-A23B has the higher overall point estimate 43.82 to 0. Conditional score ranges do not establish rank confidence.
- The biggest single benchmark swing is DeepSWE in Coding, with scores of 71.2% and 43.3%.

## Model Snapshot

| Property | ERNIE 5.5 Flash Preview | Beam 1.0 501B-A23B |
|----------|----------|----------|
| Creator | Baidu | Reflection AI |
| Type | Pending | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Overall Score | null | 43.82 |
| Benchmarks Covered | 15 | 19 |
| Pricing (input/output) | Pricing unavailable / Pricing unavailable | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Not comparable
- ERNIE 5.5 Flash Preview public-lane score: Coming soon
- Beam 1.0 501B-A23B public-lane score: 44.9 (Supported · #60/132)

| Benchmark | ERNIE 5.5 Flash Preview | Beam 1.0 501B-A23B | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 4.0 | 46.50% | Coming soon | Coming soon |
| Terminal-Bench-Science 0.1 | 21.0% | Coming soon | Coming soon |
| AutomationBench | 61.9% | Coming soon | Coming soon |
| APEX-Agents | 64.2% | Coming soon | Coming soon |
| DRACO | 84.9% | Coming soon | Coming soon |
| SpreadsheetBench 2 | 36.4% | Coming soon | Coming soon |
| Agents' Last Exam (CLI) | 29.0% | Coming soon | Coming soon |
| Toolathlon-Verified | 75.0% | Coming soon | Coming soon |
| MCP Atlas | 84.6% | 80.8% | ERNIE 5.5 Flash Preview |
| BrowseComp | 87.4% | 76.8% | ERNIE 5.5 Flash Preview |
| τ³-bench results | Coming soon | 36.1% | Coming soon |
| HLE w/ tools | Coming soon | 51.1% | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 80.1% | Coming soon |
| DeepSearchQA | Coming soon | 80.5% | Coming soon |

### Coding

- Winner: Not comparable
- ERNIE 5.5 Flash Preview public-lane score: Coming soon
- Beam 1.0 501B-A23B public-lane score: 30.8 (Estimated · #104/158)

| Benchmark | ERNIE 5.5 Flash Preview | Beam 1.0 501B-A23B | Winner |
|-----------|-----------|-----------|--------|
| DeepSWE | 71.2% | 43.3% | ERNIE 5.5 Flash Preview |
| ProgramBench | 29.5% | Coming soon | Coming soon |
| NL2Repo | 64.8% | Coming soon | Coming soon |
| SWE-bench Pro | Coming soon | 66.1% | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 80.1% | Coming soon |
| SWE-Atlas Codebase QnA | Coming soon | 31.8% | Coming soon |
| SWE Multilingual | Coming soon | 78.3% | Coming soon |
| SWE-bench Verified | Coming soon | 81.6% | Coming soon |
| SciCode | Coming soon | 49.2% | Coming soon |

### Reasoning

- Winner: Not comparable
- ERNIE 5.5 Flash Preview public-lane score: Coming soon
- Beam 1.0 501B-A23B public-lane score: 39.3 (Estimated · #83/158)

| Benchmark | ERNIE 5.5 Flash Preview | Beam 1.0 501B-A23B | Winner |
|-----------|-----------|-----------|--------|
| CritPt | Coming soon | 16.3% | Coming soon |
| LongBench v2 | Coming soon | 67.5% | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- ERNIE 5.5 Flash Preview public-lane score: Coming soon
- Beam 1.0 501B-A23B public-lane score: Coming soon

| Benchmark | ERNIE 5.5 Flash Preview | Beam 1.0 501B-A23B | Winner |
|-----------|-----------|-----------|--------|
| OfficeQA Pro v2 | 67.9% | Coming soon | Coming soon |

### Knowledge

- Winner: Not comparable
- ERNIE 5.5 Flash Preview public-lane score: Coming soon
- Beam 1.0 501B-A23B public-lane score: 48.6 (Supported · #86/179)

| Benchmark | ERNIE 5.5 Flash Preview | Beam 1.0 501B-A23B | Winner |
|-----------|-----------|-----------|--------|
| HLE w/o tools | 46.4% | 36% | ERNIE 5.5 Flash Preview |
| GPQA-D | Coming soon | 90.6% | Coming soon |

### Instruction Following

- Winner: Not comparable
- ERNIE 5.5 Flash Preview public-lane score: Coming soon
- Beam 1.0 501B-A23B public-lane score: Coming soon

| Benchmark | ERNIE 5.5 Flash Preview | Beam 1.0 501B-A23B | Winner |
|-----------|-----------|-----------|--------|
| IFBench | Coming soon | 79.6% | Coming soon |

### Mathematics

- Winner: Not comparable
- ERNIE 5.5 Flash Preview public-lane score: Coming soon
- Beam 1.0 501B-A23B public-lane score: Coming soon

| Benchmark | ERNIE 5.5 Flash Preview | Beam 1.0 501B-A23B | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | Coming soon | 97.7% | Coming soon |

## FAQ

### Which is better overall, ERNIE 5.5 Flash Preview or Beam 1.0 501B-A23B?

Beam 1.0 501B-A23B has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### How many benchmarks does ERNIE 5.5 Flash Preview cover on BenchLM?

ERNIE 5.5 Flash Preview currently has 15 sourced benchmark scores on BenchLM.

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

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

## Related Comparisons

- [ERNIE 5.5 Flash Preview vs Beam 1.0 501B-A23B FP8](/compare/ernie-5-5-flash-preview-vs-reflection-beam-fp8)
- [Beam 1.0 501B-A23B vs Beam 1.0 501B-A23B FP8](/compare/reflection-beam-vs-reflection-beam-fp8)
- [ERNIE 5.5 Flash Preview vs Beam 1.0 501B-A23B NVFP4](/compare/ernie-5-5-flash-preview-vs-reflection-beam-nvfp4)
- [Beam 1.0 501B-A23B vs Beam 1.0 501B-A23B NVFP4](/compare/reflection-beam-vs-reflection-beam-nvfp4)

## Explore More

- [ERNIE 5.5 Flash Preview profile](/models/ernie-5-5-flash-preview)
- [Beam 1.0 501B-A23B profile](/models/reflection-beam)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)