# ERNIE 5.5 Flash Preview vs Mercury 2.5

> Side-by-side benchmark comparison for ERNIE 5.5 Flash Preview and Mercury 2.5 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/ernie-5-5-flash-preview-vs-mercury-2-5
- Last updated: November 11, 2026

- Shared sourced benchmarks: 0
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

No benchmark verdict yet: there is no shared sourced benchmark row for ERNIE 5.5 Flash Preview and Mercury 2.5.

## Summary

- ERNIE 5.5 Flash Preview and Mercury 2.5 do not currently share a sourced benchmark row. The mirror therefore compares metadata, pricing, context windows, and each model's separately reported coverage without naming a benchmark winner.

## Model Snapshot

| Property | ERNIE 5.5 Flash Preview | Mercury 2.5 |
|----------|----------|----------|
| Creator | Baidu | Inception |
| Type | Pending | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 260K |
| Independent public score (not head-to-head) | null | 33.69 |
| Benchmarks Covered | 15 | 6 |
| Pricing (input/output) | Pricing unavailable / Pricing unavailable | $0.04 / $0.15 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- ERNIE 5.5 Flash Preview public-lane score: Coming soon
- Mercury 2.5 public-lane score: 14.7 (Supported · #127/132)

| Benchmark | ERNIE 5.5 Flash Preview | Mercury 2.5 | 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% | Coming soon | Coming soon |
| BrowseComp | 87.4% | Coming soon | Coming soon |
| τ³-bench results | Coming soon | 96.0% | Coming soon |
| DeepSearchQA | Coming soon | 34.0% | Coming soon |
| Terminal-Bench 2.1 (Vals) | Coming soon | 34.5% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- ERNIE 5.5 Flash Preview public-lane score: Coming soon
- Mercury 2.5 public-lane score: 22.4 (Estimated · #132/158)

| Benchmark | ERNIE 5.5 Flash Preview | Mercury 2.5 | Winner |
|-----------|-----------|-----------|--------|
| DeepSWE | 71.2% | Coming soon | Coming soon |
| ProgramBench | 29.5% | Coming soon | Coming soon |
| NL2Repo | 64.8% | Coming soon | Coming soon |
| SciCode | Coming soon | 38% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- ERNIE 5.5 Flash Preview public-lane score: Coming soon
- Mercury 2.5 public-lane score: 30.3 (Supported · #120/158)

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- ERNIE 5.5 Flash Preview public-lane score: Coming soon
- Mercury 2.5 public-lane score: Coming soon

| Benchmark | ERNIE 5.5 Flash Preview | Mercury 2.5 | Winner |
|-----------|-----------|-----------|--------|
| OfficeQA Pro v2 | 67.9% | Coming soon | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- ERNIE 5.5 Flash Preview public-lane score: Coming soon
- Mercury 2.5 public-lane score: 35.1 (Supported · #137/179)

| Benchmark | ERNIE 5.5 Flash Preview | Mercury 2.5 | Winner |
|-----------|-----------|-----------|--------|
| HLE w/o tools | 46.4% | Coming soon | Coming soon |
| GPQA-D | Coming soon | 79.0% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- ERNIE 5.5 Flash Preview public-lane score: Coming soon
- Mercury 2.5 public-lane score: 81.1 (#62/157)

| Benchmark | ERNIE 5.5 Flash Preview | Mercury 2.5 | Winner |
|-----------|-----------|-----------|--------|
| IFBench | Coming soon | 77% | Coming soon |

## FAQ

### Can I compare ERNIE 5.5 Flash Preview and Mercury 2.5 on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but sourced benchmark coverage is still incomplete for a fair score-level comparison.

### Why does this page show "coming soon" values?

BenchLM only calls winners when public benchmark coverage is available on both sides of the comparison.

## Related Comparisons

- [ERNIE 5.5 Flash Preview vs Mercury 2.5 Preview](/compare/ernie-5-5-flash-preview-vs-mercury-2-5-preview)
- [Mercury 2.5 vs Mercury 2.5 Preview](/compare/mercury-2-5-vs-mercury-2-5-preview)
- [ERNIE 5.5 Flash Preview vs Claude Fable 5.2](/compare/claude-fable-5-2-vs-ernie-5-5-flash-preview)
- [Mercury 2.5 vs Claude Fable 5.2](/compare/claude-fable-5-2-vs-mercury-2-5)

## Explore More

- [ERNIE 5.5 Flash Preview profile](/models/ernie-5-5-flash-preview)
- [Mercury 2.5 profile](/models/mercury-2-5)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)