# ERNIE 5.5 Flash Preview vs GPT-5.4 nano

> Side-by-side benchmark comparison for ERNIE 5.5 Flash Preview and GPT-5.4 nano across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

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

- Shared sourced benchmarks: 2
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: ERNIE 5.5 Flash Preview and GPT-5.4 nano share only 2 sourced benchmark rows.

## Summary

- Only 2 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.
- ERNIE 5.5 Flash Preview has the larger published context window at 1M.

## Model Snapshot

| Property | ERNIE 5.5 Flash Preview | GPT-5.4 nano |
|----------|----------|----------|
| Creator | Baidu | OpenAI |
| Type | Pending | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 400K |
| Independent public score (not head-to-head) | null | 46.51 |
| Benchmarks Covered | 15 | 23 |
| Pricing (input/output) | Pricing unavailable / Pricing unavailable | $0.20 / $1.25 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- ERNIE 5.5 Flash Preview public-lane score: Coming soon
- GPT-5.4 nano public-lane score: 33.3 (Supported · #96/132)

| Benchmark | ERNIE 5.5 Flash Preview | GPT-5.4 nano | 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% | 56.1% | ERNIE 5.5 Flash Preview |
| BrowseComp | 87.4% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 46.3% | Coming soon |
| OSWorld-Verified | Coming soon | 39% | Coming soon |
| Toolathlon | Coming soon | 35.5% | Coming soon |
| τ²-bench results | Coming soon | 92.5% | Coming soon |
| Terminal-Bench 2.1 (Vals) | Coming soon | 41.6% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- ERNIE 5.5 Flash Preview public-lane score: Coming soon
- GPT-5.4 nano public-lane score: 30.2 (Supported · #108/158)

| Benchmark | ERNIE 5.5 Flash Preview | GPT-5.4 nano | Winner |
|-----------|-----------|-----------|--------|
| DeepSWE | 71.2% | Coming soon | Coming soon |
| ProgramBench | 29.5% | Coming soon | Coming soon |
| NL2Repo | 64.8% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 46.3% | Coming soon |
| Vibe Code Bench | Coming soon | 26.10% | Coming soon |
| LiveCodeBench (Vals) | Coming soon | 84.0% | Coming soon |
| SWE-bench (Vals) | Coming soon | 69.8% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- ERNIE 5.5 Flash Preview public-lane score: Coming soon
- GPT-5.4 nano public-lane score: 37.6 (Supported · #95/158)

| Benchmark | ERNIE 5.5 Flash Preview | GPT-5.4 nano | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-1 | Coming soon | 51.50% | Coming soon |
| ARC-AGI-2 | Coming soon | 5.7% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- ERNIE 5.5 Flash Preview public-lane score: Coming soon
- GPT-5.4 nano public-lane score: 38.8 (Supported · #63/67)

| Benchmark | ERNIE 5.5 Flash Preview | GPT-5.4 nano | Winner |
|-----------|-----------|-----------|--------|
| OfficeQA Pro v2 | 67.9% | Coming soon | Coming soon |
| ExtractBench (LlamaIndex) | Coming soon | 74.90% | Coming soon |
| ParseBench | Coming soon | 42.24% | Coming soon |
| MMMU-Pro | Coming soon | 66.1% | Coming soon |
| MMMU-Pro w/ Python | Coming soon | 69.5% | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- ERNIE 5.5 Flash Preview public-lane score: Coming soon
- GPT-5.4 nano public-lane score: 38.9 (Supported · #120/179)

| Benchmark | ERNIE 5.5 Flash Preview | GPT-5.4 nano | Winner |
|-----------|-----------|-----------|--------|
| HLE w/o tools | 46.4% | 24.3% | ERNIE 5.5 Flash Preview |
| GPQA | Coming soon | 82.8% | Coming soon |
| HLE | Coming soon | 37.7% | Coming soon |
| GPQA Diamond (Vals) | Coming soon | 77.5% | Coming soon |
| MMLU-Pro (Vals) | Coming soon | 77.2% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- ERNIE 5.5 Flash Preview public-lane score: Coming soon
- GPT-5.4 nano public-lane score: 93.3 (#12/157)

### Mathematics

- Winner: Insufficient shared evidence
- ERNIE 5.5 Flash Preview public-lane score: Coming soon
- GPT-5.4 nano public-lane score: 48.3 (Unranked · 2 rankable rows)

| Benchmark | ERNIE 5.5 Flash Preview | GPT-5.4 nano | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | Coming soon | 44.912% | Coming soon |
| FrontierMath v2 (Tier 4) | Coming soon | 12.195% | Coming soon |

## FAQ

### Is there enough evidence to pick between ERNIE 5.5 Flash Preview and GPT-5.4 nano?

Not yet. The models share only 2 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

- [ERNIE 5.5 Flash Preview vs GPT-5.4 Pro](/compare/ernie-5-5-flash-preview-vs-gpt-5-4-pro)
- [GPT-5.4 nano vs GPT-5.4 Pro](/compare/gpt-5-4-nano-vs-gpt-5-4-pro)
- [ERNIE 5.5 Flash Preview vs GPT-5.4](/compare/ernie-5-5-flash-preview-vs-gpt-5-4)
- [GPT-5.4 nano vs GPT-5.4](/compare/gpt-5-4-vs-gpt-5-4-nano)

## Explore More

- [ERNIE 5.5 Flash Preview profile](/models/ernie-5-5-flash-preview)
- [GPT-5.4 nano profile](/models/gpt-5-4-nano)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)