# ERNIE 5.5 Flash Preview vs Kimi K3.1 Pro

> Side-by-side benchmark comparison for ERNIE 5.5 Flash Preview and Kimi K3.1 Pro across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/ernie-5-5-flash-preview-vs-kimi-3-1-pro
- Last updated: November 11, 2026

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

## Quick Verdict

Kimi K3.1 Pro leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Kimi K3.1 Pro has the higher overall point estimate 74.64 to 0. Conditional score ranges do not establish rank confidence.
- The biggest single benchmark swing is Terminal-Bench 4.0 in Agentic, with scores of 46.50% and 65.70%.
- ERNIE 5.5 Flash Preview is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Kimi K3.1 Pro also has the larger context window at 1.05M.

## Model Snapshot

| Property | ERNIE 5.5 Flash Preview | Kimi K3.1 Pro |
|----------|----------|----------|
| Creator | Baidu | Moonshot AI |
| Type | Pending | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1.05M |
| Overall Score | null | 74.64 |
| Benchmarks Covered | 15 | 47 |
| Pricing (input/output) | Pricing unavailable / Pricing unavailable | $2.00 / $10.00 |

## Category Breakdown

### Agentic

- Winner: Not comparable
- ERNIE 5.5 Flash Preview public-lane score: Coming soon
- Kimi K3.1 Pro public-lane score: 72.7 (Supported · #10/132)

| Benchmark | ERNIE 5.5 Flash Preview | Kimi K3.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 4.0 | 46.50% | 65.70% | Kimi K3.1 Pro |
| Terminal-Bench-Science 0.1 | 21.0% | 38.1% | Kimi K3.1 Pro |
| AutomationBench | 61.9% | Coming soon | Coming soon |
| APEX-Agents | 64.2% | 69.4% | Kimi K3.1 Pro |
| DRACO | 84.9% | Coming soon | Coming soon |
| SpreadsheetBench 2 | 36.4% | Coming soon | Coming soon |
| Agents' Last Exam (CLI) | 29.0% | 44.2% | Kimi K3.1 Pro |
| Toolathlon-Verified | 75.0% | Coming soon | Coming soon |
| MCP Atlas | 84.6% | Coming soon | Coming soon |
| BrowseComp | 87.4% | 92.1% | Kimi K3.1 Pro |
| HLE w/ tools | Coming soon | 70.0% | Coming soon |
| BioMysteryBench | Coming soon | 80.6% | Coming soon |
| Agents' Last Exam | Coming soon | 43.2% | Coming soon |
| Frontier Finance | Coming soon | 58.6% | Coming soon |
| HANDBOOK.md | Coming soon | 44.6% | Coming soon |
| OSWorld 2.0 | Coming soon | 79.6% | Coming soon |
| Business Operation | Coming soon | 37.8% | Coming soon |
| Financial Modeling | Coming soon | 57.6% | Coming soon |
| Financial Research | Coming soon | 70.4% | Coming soon |
| Kimi Hallu Bench Hard (tools) | Coming soon | 8.3% | Coming soon |
| ExploitGym | Coming soon | 20.7% | Coming soon |
| MazeBench | Coming soon | 2% | Coming soon |
| OSWorld 2.1 | Coming soon | 79.6% | Coming soon |
| CWE-bench | Coming soon | 45.3% | Coming soon |

### Coding

- Winner: Not comparable
- ERNIE 5.5 Flash Preview public-lane score: Coming soon
- Kimi K3.1 Pro public-lane score: Coming soon

| Benchmark | ERNIE 5.5 Flash Preview | Kimi K3.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| DeepSWE | 71.2% | 75.5% | Kimi K3.1 Pro |
| ProgramBench | 29.5% | Coming soon | Coming soon |
| NL2Repo | 64.8% | Coming soon | Coming soon |
| ProgramBench (binary) | Coming soon | 31.5% | Coming soon |
| Kimi Code Bench v2 | Coming soon | 77.1% | Coming soon |
| Kimi Code Bench 3.0 Long-horizon | Coming soon | 61.2% | Coming soon |
| sweMarathon | Coming soon | 51.7% | Coming soon |
| PostTrainBench v1.2 | Coming soon | 36.5% | Coming soon |
| Bug Hunt Bench | Coming soon | 36.0 fixes | Coming soon |
| FrontierCode 2.0 | Coming soon | 19.6% | Coming soon |

### Reasoning

- Winner: Not comparable
- ERNIE 5.5 Flash Preview public-lane score: Coming soon
- Kimi K3.1 Pro public-lane score: 70.6 (Supported · #17/158)

### Multimodal & Grounded

- Winner: Not comparable
- ERNIE 5.5 Flash Preview public-lane score: Coming soon
- Kimi K3.1 Pro public-lane score: 73.9 (Estimated · #12/67)

| Benchmark | ERNIE 5.5 Flash Preview | Kimi K3.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| OfficeQA Pro v2 | 67.9% | 64.4% | ERNIE 5.5 Flash Preview |
| OfficeQA Pro | Coming soon | 67.4% | Coming soon |
| BenchCAD Vision2Code (no tools) | Coming soon | 0.728 | Coming soon |
| BenchCAD Vision2Code (tools) | Coming soon | 0.927 | Coming soon |
| MMMU-Pro | Coming soon | 84.1% | Coming soon |
| MMMU-Pro w/ Python | Coming soon | 90% | Coming soon |
| CharXiv | Coming soon | 93.4% | Coming soon |
| CharXiv w/o tools | Coming soon | 89% | Coming soon |
| Chartography (tools) | Coming soon | 90.2% | Coming soon |
| BabyVision w/ Python | Coming soon | 95.4% | Coming soon |
| ZeroBench | Coming soon | 39.0% | Coming soon |
| ZeroBench w/ Python | Coming soon | 63.0% | Coming soon |
| GDP.pdf (Gemini judge) | Coming soon | 34.6% | Coming soon |
| GDP.pdf w/ Python (Gemini judge) | Coming soon | 85.7% | Coming soon |
| PerceptionBench | Coming soon | 68.3% | Coming soon |

### Knowledge

- Winner: Not comparable
- ERNIE 5.5 Flash Preview public-lane score: Coming soon
- Kimi K3.1 Pro public-lane score: 74.5 (Supported · #13/179)

| Benchmark | ERNIE 5.5 Flash Preview | Kimi K3.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| HLE w/o tools | 46.4% | 51.1% | Kimi K3.1 Pro |
| GPQA | Coming soon | 94.2% | Coming soon |
| GPQA-D | Coming soon | 94.2% | Coming soon |
| HLE | Coming soon | 70% | Coming soon |
| Kimi Hallu Bench | Coming soon | 5.4% | Coming soon |

## FAQ

### Which is better overall, ERNIE 5.5 Flash Preview or Kimi K3.1 Pro?

Kimi K3.1 Pro 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 Kimi K3.1 Pro cover on BenchLM?

Kimi K3.1 Pro currently has 47 sourced benchmark scores on BenchLM.

## Related Comparisons

- [ERNIE 5.5 Flash Preview vs Claude Fable 5.2](/compare/claude-fable-5-2-vs-ernie-5-5-flash-preview)
- [Kimi K3.1 Pro vs Claude Fable 5.2](/compare/claude-fable-5-2-vs-kimi-3-1-pro)
- [ERNIE 5.5 Flash Preview vs Gemini 4 Carbon](/compare/ernie-5-5-flash-preview-vs-gemini-4-carbon)
- [Kimi K3.1 Pro vs Gemini 4 Carbon](/compare/gemini-4-carbon-vs-kimi-3-1-pro)

## Explore More

- [ERNIE 5.5 Flash Preview profile](/models/ernie-5-5-flash-preview)
- [Kimi K3.1 Pro profile](/models/kimi-3-1-pro)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)