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ERNIE 5.5 Flash Preview vs Kimi K2 Base

ERNIE 5.5 Flash Preview leads the LLM Stats Score 52.3 to 12.7.

Baidu · Moonshot AI · Updated for 2026

Which is better?

ERNIE 5.5 Flash Preview leads the overall LLM Stats Score 52.3 to 12.7, ranking #13 overall.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose ERNIE 5.5 Flash Preview

  • overall performance matters — it scores 52.3 and ranks #13 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you want the most recent training data — it shipped Nov 2026

Choose Kimi K2 Base

  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

ERNIE 5.5 Flash Preview
Baidu
Kimi K2 Base
Moonshot AI
Core performance indexes
LLM Stats Score
52.3
#13
12.7
#291
Reasoning
50.7
#12
11.8
#290
Coding
37.9
#20
10.5
#201
Cost, coverage & limits
Benchmark wins
—
—
Input price
$0.28 / M
— / M
Output price
$1.13 / M
— / M
Context window
1,048,576
—

Individual benchmarks

13 reported for ERNIE 5.5 Flash Preview · 13 for Kimi K2 Base

No common benchmarks found

ERNIE 5.5 Flash Preview and Kimi K2 Basedon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Model Size

Parameter count comparison

720.0B diff

Kimi K2 Base has 720.0B more parameters than ERNIE 5.5 Flash Preview, making it 257.1% larger.

Baidu
ERNIE 5.5 Flash Preview
280.0Bparameters
Moonshot AI
Kimi K2 Base
1.0Tparameters
280.0B
ERNIE 5.5 Flash Preview
1000.0B
Kimi K2 Base

Context Window

Maximum input and output token capacity

Only ERNIE 5.5 Flash Preview specifies input context (1,048,576 tokens). Only ERNIE 5.5 Flash Preview specifies output context (1,048,576 tokens).

Baidu
ERNIE 5.5 Flash Preview
Input1,048,576 tokens
Output1,048,576 tokens
Moonshot AI
Kimi K2 Base
Input- tokens
Output- tokens
Fri Nov 13 2026 • llm-stats.com

License

Usage and distribution terms

ERNIE 5.5 Flash Preview is licensed under a proprietary license, while Kimi K2 Base uses MIT.

License differences may affect how you can use these models in commercial or open-source projects.

ERNIE 5.5 Flash Preview

Proprietary

Closed source

Kimi K2 Base

MIT

Open weights

Release Timeline

When each model was launched

ERNIE 5.5 Flash Preview was released on 2026-11-11, while Kimi K2 Base was released on 2025-07-11.

ERNIE 5.5 Flash Preview is 16 months newer than Kimi K2 Base.

ERNIE 5.5 Flash Preview

Nov 11, 2026

1 days ago

1.3yr newer
Kimi K2 Base

Jul 11, 2025

1.3 years ago

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against ERNIE 5.5 Flash Preview and Kimi K2 Base side-by-side, then vote on the output you prefer.

ERNIE 5.5 Flash Preview
✓ Preferred
Kimi K2 Base
Open in Playground

FAQ

Common questions about ERNIE 5.5 Flash Preview vs Kimi K2 Base.

Which is better, ERNIE 5.5 Flash Preview or Kimi K2 Base?

ERNIE 5.5 Flash Preview leads the LLM Stats Score 52.3 to 12.7. ERNIE 5.5 Flash Preview is made by Baidu and Kimi K2 Base is made by Moonshot AI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does ERNIE 5.5 Flash Preview compare to Kimi K2 Base in benchmarks?

ERNIE 5.5 Flash Preview scores BrowseComp: 87.4%, DRACO: 84.9%, MCP Atlas: 84.6%, DeepSWE 1.1: 71.2%, OfficeQA Pro: 67.9%. Kimi K2 Base scores C-Eval: 92.5%, GSM8k: 92.1%, MMLU-redux-2.0: 90.2%, MMLU: 87.8%, TriviaQA: 85.1%.

What are the context window sizes for ERNIE 5.5 Flash Preview and Kimi K2 Base?

ERNIE 5.5 Flash Preview supports 1.0M tokens and Kimi K2 Base supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between ERNIE 5.5 Flash Preview and Kimi K2 Base?

Key differences include LLM Stats Score (52.3 vs 12.7), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes ERNIE 5.5 Flash Preview and Kimi K2 Base?

ERNIE 5.5 Flash Preview is developed by Baidu and Kimi K2 Base is developed by Moonshot AI.

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