# ERNIE 5.5 Flash Preview vs GPT-OSS 20B

> Side-by-side benchmark comparison for ERNIE 5.5 Flash Preview and GPT-OSS 20B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/ernie-5-5-flash-preview-vs-gpt-oss-20b
- 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 GPT-OSS 20B.

## Summary

- ERNIE 5.5 Flash Preview and GPT-OSS 20B 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 | GPT-OSS 20B |
|----------|----------|----------|
| Creator | Baidu | OpenAI |
| Type | Pending | Open Weight |
| Reasoning | Reasoning | Non-Reasoning |
| Context | 1M | 128K |
| Independent public score (not head-to-head) | null | 37.05 |
| Benchmarks Covered | 15 | 7 |
| Pricing (input/output) | Pricing unavailable / Pricing unavailable | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- ERNIE 5.5 Flash Preview public-lane score: Coming soon
- GPT-OSS 20B public-lane score: 24.3 (Estimated · #113/132)

| Benchmark | ERNIE 5.5 Flash Preview | GPT-OSS 20B | 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 |

### Coding

- Winner: Insufficient shared evidence
- ERNIE 5.5 Flash Preview public-lane score: Coming soon
- GPT-OSS 20B public-lane score: 25.5 (Estimated · #123/158)

| Benchmark | ERNIE 5.5 Flash Preview | GPT-OSS 20B | Winner |
|-----------|-----------|-----------|--------|
| DeepSWE | 71.2% | Coming soon | Coming soon |
| ProgramBench | 29.5% | Coming soon | Coming soon |
| NL2Repo | 64.8% | Coming soon | Coming soon |
| SWE-bench Verified | Coming soon | 60.7% | Coming soon |
| React Native Evals | Coming soon | 71% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- ERNIE 5.5 Flash Preview public-lane score: Coming soon
- GPT-OSS 20B public-lane score: 31.3 (Estimated · #115/158)

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- ERNIE 5.5 Flash Preview public-lane score: Coming soon
- GPT-OSS 20B public-lane score: Coming soon

| Benchmark | ERNIE 5.5 Flash Preview | GPT-OSS 20B | 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
- GPT-OSS 20B public-lane score: 35.9 (Supported · #133/179)

| Benchmark | ERNIE 5.5 Flash Preview | GPT-OSS 20B | Winner |
|-----------|-----------|-----------|--------|
| HLE w/o tools | 46.4% | Coming soon | Coming soon |
| MMLU | Coming soon | 85.3% | Coming soon |
| GPQA | Coming soon | 71.5% | Coming soon |
| HLE | Coming soon | 10.9% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- ERNIE 5.5 Flash Preview public-lane score: Coming soon
- GPT-OSS 20B public-lane score: 79.2 (#64/157)

### Mathematics

- Winner: Insufficient shared evidence
- ERNIE 5.5 Flash Preview public-lane score: Coming soon
- GPT-OSS 20B public-lane score: Coming soon

| Benchmark | ERNIE 5.5 Flash Preview | GPT-OSS 20B | Winner |
|-----------|-----------|-----------|--------|
| AIME 2024 | Coming soon | 92.1% | Coming soon |
| AIME 2025 | Coming soon | 91.7% | Coming soon |

## FAQ

### Can I compare ERNIE 5.5 Flash Preview and GPT-OSS 20B 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 GPT-OSS 120B](/compare/ernie-5-5-flash-preview-vs-gpt-oss-120b)
- [GPT-OSS 20B vs GPT-OSS 120B](/compare/gpt-oss-120b-vs-gpt-oss-20b)
- [ERNIE 5.5 Flash Preview vs Claude Fable 5.2](/compare/claude-fable-5-2-vs-ernie-5-5-flash-preview)
- [GPT-OSS 20B vs Claude Fable 5.2](/compare/claude-fable-5-2-vs-gpt-oss-20b)

## Explore More

- [ERNIE 5.5 Flash Preview profile](/models/ernie-5-5-flash-preview)
- [GPT-OSS 20B profile](/models/gpt-oss-20b)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)
