# Claude Opus 4.8 vs ERNIE 5.5 Flash Preview

> Side-by-side benchmark comparison for Claude Opus 4.8 and ERNIE 5.5 Flash Preview across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-opus-4-8-vs-ernie-5-5-flash-preview
- Last updated: November 11, 2026

- Shared sourced benchmarks: 3
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: Claude Opus 4.8 and ERNIE 5.5 Flash Preview 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.
- ERNIE 5.5 Flash Preview has the lower published output-token price.

## Model Snapshot

| Property | Claude Opus 4.8 | ERNIE 5.5 Flash Preview |
|----------|----------|----------|
| Creator | Anthropic | Baidu |
| Type | Proprietary | Pending |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Independent public score (not head-to-head) | 69.22 | null |
| Benchmarks Covered | 45 | 15 |
| Pricing (input/output) | $5.00 / $25.00 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Claude Opus 4.8 public-lane score: 59.5 (Supported · #29/132)
- ERNIE 5.5 Flash Preview public-lane score: Coming soon

| Benchmark | Claude Opus 4.8 | ERNIE 5.5 Flash Preview | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 4.1 | 23.60% | Coming soon | Coming soon |
| Terminal-Bench 3.0 | 21.1% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 74.6% | Coming soon | Coming soon |
| BrowseComp | 84.3% | 87.4% | ERNIE 5.5 Flash Preview |
| DeepSearchQA | 93.1% | Coming soon | Coming soon |
| OSWorld-Verified | 83.4% | Coming soon | Coming soon |
| Finance Agent v2 | 53.9% | Coming soon | Coming soon |
| MCP Atlas | 82.2% | 84.6% | ERNIE 5.5 Flash Preview |
| Toolathlon | 59.9% | Coming soon | Coming soon |
| Gert Labs | 72.97% | Coming soon | Coming soon |
| ResearchClawBench | 21.1% | Coming soon | Coming soon |
| OSWorld 2.0 | 20.6% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 71.9% | Coming soon | Coming soon |
| MazeBench | 0% | Coming soon | Coming soon |
| Terminal-Bench 4.0 | Coming soon | 46.50% | Coming soon |
| Terminal-Bench-Science 0.1 | Coming soon | 21.0% | Coming soon |
| AutomationBench | Coming soon | 61.9% | Coming soon |
| APEX-Agents | Coming soon | 64.2% | Coming soon |
| DRACO | Coming soon | 84.9% | Coming soon |
| SpreadsheetBench 2 | Coming soon | 36.4% | Coming soon |
| Agents' Last Exam (CLI) | Coming soon | 29.0% | Coming soon |
| Toolathlon-Verified | Coming soon | 75.0% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Claude Opus 4.8 public-lane score: 60.3 (Supported · #19/158)
- ERNIE 5.5 Flash Preview public-lane score: Coming soon

| Benchmark | Claude Opus 4.8 | ERNIE 5.5 Flash Preview | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 88.6% | Coming soon | Coming soon |
| SWE-bench Pro | 69.2% | Coming soon | Coming soon |
| SWE Multilingual | 84.4% | Coming soon | Coming soon |
| SWE Multimodal | 38.4% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 74.6% | Coming soon | Coming soon |
| cursorBench31 | 58.4% | Coming soon | Coming soon |
| CursorBench 3.2 | 62.3% | Coming soon | Coming soon |
| FrontierCode 1.1 Main | 46.5% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 87.8% | Coming soon | Coming soon |
| SWE-bench (Vals) | 88.6% | Coming soon | Coming soon |
| PostTrainBench v1.1 | 32.9% | Coming soon | Coming soon |
| FrontierCode 2.0 | 14.7% | Coming soon | Coming soon |
| DeepSWE | Coming soon | 71.2% | Coming soon |
| ProgramBench | Coming soon | 29.5% | Coming soon |
| NL2Repo | Coming soon | 64.8% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Claude Opus 4.8 public-lane score: 64.9 (Supported · #23/158)
- ERNIE 5.5 Flash Preview public-lane score: Coming soon

| Benchmark | Claude Opus 4.8 | ERNIE 5.5 Flash Preview | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-2 | 72.1% | Coming soon | Coming soon |
| ARC-AGI-3 | 1.5% | Coming soon | Coming soon |
| ARC-AGI-1 | 92.50% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Claude Opus 4.8 public-lane score: 67.4 (Estimated · #18/67)
- ERNIE 5.5 Flash Preview public-lane score: Coming soon

| Benchmark | Claude Opus 4.8 | ERNIE 5.5 Flash Preview | Winner |
|-----------|-----------|-----------|--------|
| ExtractBench (LlamaIndex) | 86.84% | Coming soon | Coming soon |
| ParseBench | 62.27% | Coming soon | Coming soon |
| OfficeQA Pro | 66.2% | Coming soon | Coming soon |
| ScreenSpot Pro | 87.9% | Coming soon | Coming soon |
| CharXiv | 89.9% | Coming soon | Coming soon |
| CharXiv w/o tools | 80.5% | Coming soon | Coming soon |
| OfficeQA Pro v2 | Coming soon | 67.9% | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Claude Opus 4.8 public-lane score: 69.5 (Supported · #17/179)
- ERNIE 5.5 Flash Preview public-lane score: Coming soon

| Benchmark | Claude Opus 4.8 | ERNIE 5.5 Flash Preview | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 93.6% | Coming soon | Coming soon |
| GPQA-D | 93.6% | Coming soon | Coming soon |
| HLE | 57.9% | Coming soon | Coming soon |
| HLE w/o tools | 49.8% | 46.4% | Claude Opus 4.8 |
| GPQA Diamond (Vals) | 92.4% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 89.6% | Coming soon | Coming soon |

### Multilingual

- Winner: Insufficient shared evidence
- Claude Opus 4.8 public-lane score: Coming soon
- ERNIE 5.5 Flash Preview public-lane score: Coming soon

| Benchmark | Claude Opus 4.8 | ERNIE 5.5 Flash Preview | Winner |
|-----------|-----------|-----------|--------|
| INCLUDE | 87.6% | Coming soon | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Claude Opus 4.8 public-lane score: 75.4 (#70/157)
- ERNIE 5.5 Flash Preview public-lane score: Coming soon

### Mathematics

- Winner: Insufficient shared evidence
- Claude Opus 4.8 public-lane score: 79.3 (#1/12)
- ERNIE 5.5 Flash Preview public-lane score: Coming soon

| Benchmark | Claude Opus 4.8 | ERNIE 5.5 Flash Preview | Winner |
|-----------|-----------|-----------|--------|
| USAMO 2026 | 96.7% | Coming soon | Coming soon |
| FrontierMath v2 (Tiers 1-3) | 80.000% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 56.098% | Coming soon | Coming soon |

## FAQ

### Is there enough evidence to pick between Claude Opus 4.8 and ERNIE 5.5 Flash Preview?

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

- [Claude Opus 4.8 vs Claude Fable 5.2](/compare/claude-fable-5-2-vs-claude-opus-4-8)
- [ERNIE 5.5 Flash Preview vs Claude Fable 5.2](/compare/claude-fable-5-2-vs-ernie-5-5-flash-preview)
- [Claude Opus 4.8 vs Gemini 4 Carbon](/compare/claude-opus-4-8-vs-gemini-4-carbon)
- [ERNIE 5.5 Flash Preview vs Gemini 4 Carbon](/compare/ernie-5-5-flash-preview-vs-gemini-4-carbon)

## Explore More

- [Claude Opus 4.8 profile](/models/claude-opus-4-8)
- [ERNIE 5.5 Flash Preview profile](/models/ernie-5-5-flash-preview)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)