The AI arena is free today

Open Superagent

Gemini 3.8 Flash Cyber vs Kimi K3

Gemini 3.8 Flash Cyber and Kimi K3 are closely matched at 42.5 and 54.1 on the LLM Stats Score.

Google · Moonshot AI · Updated for 2026

Which is better?

Gemini 3.8 Flash Cyber and Kimi K3 are closely matched on the overall LLM Stats Score at 42.5 and 54.1.

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

Choose Gemini 3.8 Flash Cyber

  • you want the most recent training data — it shipped Sep 2026

Choose Kimi K3

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

At a glance

The differences that matter most.

Core performance indexes
42.5
#45
54.1
#7
35.6
#24
43.5
#4
31.5
#26
39.6
#7
Cost, coverage & limits
Benchmark wins
Input price
— / M
$3.00 / M
Output price
— / M
$15.00 / M
Context window
1,048,576

Individual benchmarks

4 reported for Gemini 3.8 Flash Cyber · 31 for Kimi K3

No common benchmarks found

Gemini 3.8 Flash Cyber and Kimi K3don'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

Context Window

Maximum input and output token capacity

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

Google
Gemini 3.8 Flash Cyber
Input- tokens
Output- tokens
Moonshot AI
Kimi K3
Input1,048,576 tokens
Output1,048,576 tokens
Thu Sep 03 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Kimi K3 supports multimodal inputs, whereas Gemini 3.8 Flash Cyber does not.

Kimi K3 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Gemini 3.8 Flash Cyber

Text
Images
Audio
Video

Kimi K3

Text
Images
Audio
Video

License

Usage and distribution terms

Gemini 3.8 Flash Cyber is licensed under a proprietary license, while Kimi K3 uses Kimi K3 License.

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

Gemini 3.8 Flash Cyber

Proprietary

Closed source

Kimi K3

Kimi K3 License

Open weights

Release Timeline

When each model was launched

Gemini 3.8 Flash Cyber was released on 2026-09-02, while Kimi K3 was released on 2026-07-16.

Gemini 3.8 Flash Cyber is 2 months newer than Kimi K3.

Gemini 3.8 Flash Cyber

Sep 2, 2026

0 days ago

1mo newer
Kimi K3

Jul 16, 2026

1 months 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?Start an Issue discussion

Judge for yourself.

Run your own prompts against Gemini 3.8 Flash Cyber and Kimi K3 side-by-side, then vote on the output you prefer.

Gemini 3.8 Flash Cyber
✓ Preferred
Kimi K3
Open in Playground

FAQ

Common questions about Gemini 3.8 Flash Cyber vs Kimi K3.

Which is better, Gemini 3.8 Flash Cyber or Kimi K3?

Gemini 3.8 Flash Cyber and Kimi K3 are closely matched on the LLM Stats Score at 42.5 and 54.1. Gemini 3.8 Flash Cyber is made by Google and Kimi K3 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 Gemini 3.8 Flash Cyber compare to Kimi K3 in benchmarks?

Gemini 3.8 Flash Cyber scores Gray Swan IPI Benchmark: 94.0%, CyberGym: 86.2%, Google Real-world Vulnerability Discovery: 71.0%, CWE-Bench: 47.2%. Kimi K3 scores MathVision: 97.8%, DeepSearchQA: 95.0%, GPQA: 93.5%, CharXiv-R: 91.3%, BrowseComp: 91.2%.

What are the context window sizes for Gemini 3.8 Flash Cyber and Kimi K3?

Gemini 3.8 Flash Cyber supports an unknown number of tokens and Kimi K3 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 Gemini 3.8 Flash Cyber and Kimi K3?

Key differences include LLM Stats Score (42.5 vs 54.1), multimodal support (no vs yes), licensing (Proprietary vs Kimi K3 License). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 3.8 Flash Cyber and Kimi K3?

Gemini 3.8 Flash Cyber is developed by Google and Kimi K3 is developed by Moonshot AI.