The AI arena is free today

Open Superagent

GPT-6 Cyber vs Kimi K2 Base

GPT-6 Cyber leads the LLM Stats Score 40.8 to 12.7.

OpenAI · Moonshot AI · Updated for 2026

Which is better?

GPT-6 Cyber leads the overall LLM Stats Score 40.8 to 12.7, ranking #82 overall.

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

Choose GPT-6 Cyber

  • overall performance matters — it scores 40.8 and ranks #82 on LLM Stats
  • 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.

Core performance indexes
40.8
#82
12.7
#291
32.7
#47
10.5
#201
Cost, coverage & limits
Benchmark wins
—
—
Input price
$20.00 / M
— / M
Output price
$100.00 / M
— / M
Context window
1,050,000
—

Individual benchmarks

1 reported for GPT-6 Cyber · 13 for Kimi K2 Base

No common benchmarks found

GPT-6 Cyber 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

Context Window

Maximum input and output token capacity

Only GPT-6 Cyber specifies input context (1,050,000 tokens). Only GPT-6 Cyber specifies output context (128,000 tokens).

OpenAI
GPT-6 Cyber
Input1,050,000 tokens
Output128,000 tokens
Moonshot AI
Kimi K2 Base
Input- tokens
Output- tokens
Fri Nov 13 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

GPT-6 Cyber supports multimodal inputs, whereas Kimi K2 Base does not.

GPT-6 Cyber can handle both text and other forms of data like images, making it suitable for multimodal applications.

GPT-6 Cyber

Text
Images
Audio
Video

Kimi K2 Base

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-6 Cyber 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.

GPT-6 Cyber

Proprietary

Closed source

Kimi K2 Base

MIT

Open weights

Release Timeline

When each model was launched

GPT-6 Cyber was released on 2026-11-05, while Kimi K2 Base was released on 2025-07-11.

GPT-6 Cyber is 16 months newer than Kimi K2 Base.

GPT-6 Cyber

Nov 5, 2026

1 weeks 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 GPT-6 Cyber and Kimi K2 Base side-by-side, then vote on the output you prefer.

GPT-6 Cyber
✓ Preferred
Kimi K2 Base
Open in Playground

FAQ

Common questions about GPT-6 Cyber vs Kimi K2 Base.

Which is better, GPT-6 Cyber or Kimi K2 Base?

GPT-6 Cyber leads the LLM Stats Score 40.8 to 12.7. GPT-6 Cyber is made by OpenAI 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 GPT-6 Cyber compare to Kimi K2 Base in benchmarks?

GPT-6 Cyber scores ExploitGym: 48.5%. 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 GPT-6 Cyber and Kimi K2 Base?

GPT-6 Cyber supports 1.1M 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 GPT-6 Cyber and Kimi K2 Base?

Key differences include LLM Stats Score (40.8 vs 12.7), multimodal support (yes vs no), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-6 Cyber and Kimi K2 Base?

GPT-6 Cyber is developed by OpenAI and Kimi K2 Base is developed by Moonshot AI.