The AI arena is free today

Open Superagent

EXAONE 4.5 33B vs Kimi K3.1 Pro

Kimi K3.1 Pro leads the LLM Stats Score 55.5 to 25.3.

LG AI Research · Moonshot AI · Updated for 2026

Which is better?

Kimi K3.1 Pro leads the overall LLM Stats Score 55.5 to 25.3, ranking #5 overall.

In the 2 individual benchmarks reported for both models, Kimi K3.1 Pro wins 2; this is a narrower head-to-head signal than the composite indexes.

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

Choose EXAONE 4.5 33B

  • you are already invested in the LG AI Research ecosystem

Choose Kimi K3.1 Pro

  • overall performance matters — it scores 55.5 and ranks #5 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 2 of 2 exact shared results
  • you want the most recent training data — it shipped Oct 2026

At a glance

The differences that matter most.

EXAONE 4.5 33B
LG AI Research
Kimi K3.1 Pro
Moonshot AI
Core performance indexes
LLM Stats Score
25.3
#186
55.5
#5
Reasoning
25.9
#180
54.3
#6
Cost, coverage & limits
Benchmark wins
0 of 2
2 of 2
Input price
— / M
$2.00 / M
Output price
— / M
$10.00 / M
Context window
—
1,048,576

Capability indexes

Additional strengths measured across groups of related public benchmarks

4 shared
Index
EXAONE 4.5 33B
Kimi K3.1 Pro
Math
28.3#104
38.6#26
Vision
13.3#118
40.5#4
Tool use
9.8#155
30.4#14
Multimodal
15.9#103
40.8#2
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

15 reported for EXAONE 4.5 33B · 30 for Kimi K3.1 Pro

2 shared

EXAONE 4.5 33B outperforms in 0 benchmarks, while Kimi K3.1 Pro is better at 2 benchmarks (GPQA, MMMU-Pro).

Kimi K3.1 Pro significantly outperforms across most benchmarks.

Fri Oct 30 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only Kimi K3.1 Pro specifies input context (1,048,576 tokens). Only Kimi K3.1 Pro specifies output context (1,048,576 tokens).

LG AI Research
EXAONE 4.5 33B
Input- tokens
Output- tokens
Moonshot AI
Kimi K3.1 Pro
Input1,048,576 tokens
Output1,048,576 tokens
Fri Oct 30 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both EXAONE 4.5 33B and Kimi K3.1 Pro support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

EXAONE 4.5 33B

Text
Images
Audio
Video

Kimi K3.1 Pro

Text
Images
Audio
Video

Release Timeline

When each model was launched

EXAONE 4.5 33B was released on 2026-04-09, while Kimi K3.1 Pro was released on 2026-10-23.

Kimi K3.1 Pro is 7 months newer than EXAONE 4.5 33B.

EXAONE 4.5 33B

Apr 9, 2026

6 months ago

Kimi K3.1 Pro

Oct 23, 2026

6 days ago

6mo newer

Knowledge Cutoff

When training data ends

EXAONE 4.5 33B has a documented knowledge cutoff of 2024-12-01, while Kimi K3.1 Pro's cutoff date is not specified.

We can confirm EXAONE 4.5 33B's training data extends to 2024-12-01, but cannot make a direct comparison without Kimi K3.1 Pro's cutoff date.

EXAONE 4.5 33B

Dec 2024

Kimi K3.1 Pro

—

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against EXAONE 4.5 33B and Kimi K3.1 Pro side-by-side, then vote on the output you prefer.

EXAONE 4.5 33B
✓ Preferred
Kimi K3.1 Pro
Open in Playground

FAQ

Common questions about EXAONE 4.5 33B vs Kimi K3.1 Pro.

Which is better, EXAONE 4.5 33B or Kimi K3.1 Pro?

Kimi K3.1 Pro leads the LLM Stats Score 55.5 to 25.3. EXAONE 4.5 33B is made by LG AI Research and Kimi K3.1 Pro 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 EXAONE 4.5 33B compare to Kimi K3.1 Pro in benchmarks?

EXAONE 4.5 33B scores AIME 2025: 92.9%, AIME 2026: 92.6%, IFEval: 89.6%, AI2D: 89.0%, MathVista-Mini: 85.0%. Kimi K3.1 Pro scores BabyVision: 95.4%, GPQA: 94.2%, BenchCAD (with Python tool): 92.7%, BrowseComp: 92.1%, Chartography: 90.2%.

What are the context window sizes for EXAONE 4.5 33B and Kimi K3.1 Pro?

EXAONE 4.5 33B supports an unknown number of tokens and Kimi K3.1 Pro supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between EXAONE 4.5 33B and Kimi K3.1 Pro?

Key differences include LLM Stats Score (25.3 vs 55.5), licensing (Proprietary vs Unknown). See the full comparison above for benchmark-by-benchmark results.

Who makes EXAONE 4.5 33B and Kimi K3.1 Pro?

EXAONE 4.5 33B is developed by LG AI Research and Kimi K3.1 Pro is developed by Moonshot AI.

Related comparisons