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GPT-6 Cyber vs Kimi K2.5

GPT-6 Cyber leads the LLM Stats Score 40.8 to 38.2. Kimi K2.5 is 33.3x cheaper per token.

OpenAI · Moonshot AI · Updated for 2026

Which is better?

GPT-6 Cyber leads the overall LLM Stats Score 40.8 to 38.2, ranking #82 overall.

On price, Kimi K2.5 is roughly 33.3x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

GPT-6 Cyber also accepts a larger context window (1,050,000 input tokens), making it the stronger choice for long documents and large codebases.

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
  • your work emphasizes coding and agents — it leads those capability indexes
  • you process long inputs — it offers a 1,050,000 token context window
  • you want the most recent training data — it shipped Nov 2026

Choose Kimi K2.5

  • cost matters — it's about 33.3x cheaper per token
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

GPT-6 Cyber
OpenAI
Kimi K2.5
Moonshot AI
Core performance indexes
LLM Stats Score
40.8
#82
38.2
#92
Coding
32.7
#47
24.1
#100
Agents
30.5
#48
17.3
#106
Cost, coverage & limits
Benchmark wins
—
—
Input price
$20.00 / M
$0.60 / M
Output price
$100.00 / M
$3.00 / M
Context window
1,050,000
262,100

Individual benchmarks

1 reported for GPT-6 Cyber · 40 for Kimi K2.5

No common benchmarks found

GPT-6 Cyber and Kimi K2.5don'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

Pricing Analysis

Price comparison per million tokens

Kimi K2.5 costs less

For input processing, GPT-6 Cyber ($20.00/1M tokens) is 33.3x more expensive than Kimi K2.5 ($0.60/1M tokens).

For output processing, GPT-6 Cyber ($100.00/1M tokens) is 33.3x more expensive than Kimi K2.5 ($3.00/1M tokens).

In conclusion, GPT-6 Cyber is more expensive than Kimi K2.5.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Sat Nov 14 2026 • llm-stats.com
OpenAI
GPT-6 Cyber
Input tokens$20.00
Output tokens$100.00
Best providerOpenAI
Moonshot AI
Kimi K2.5
Input tokens$0.60
Output tokens$3.00
Best providerFireworks
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

GPT-6 Cyber accepts 1,050,000 input tokens compared to Kimi K2.5's 262,100 tokens. Kimi K2.5 can generate longer responses up to 262,100 tokens, while GPT-6 Cyber is limited to 128,000 tokens.

OpenAI
GPT-6 Cyber
Input1,050,000 tokens
Output128,000 tokens
Moonshot AI
Kimi K2.5
Input262,100 tokens
Output262,100 tokens
Sat Nov 14 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both GPT-6 Cyber and Kimi K2.5 support multimodal inputs.

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

GPT-6 Cyber

Text
Images
Audio
Video

Kimi K2.5

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-6 Cyber is licensed under a proprietary license, while Kimi K2.5 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 K2.5

MIT

Open weights

Release Timeline

When each model was launched

GPT-6 Cyber was released on 2026-11-05, while Kimi K2.5 was released on 2026-01-27.

GPT-6 Cyber is 9 months newer than Kimi K2.5.

GPT-6 Cyber

Nov 5, 2026

1 weeks ago

9mo newer
Kimi K2.5

Jan 27, 2026

9 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

Provider Availability

GPT-6 Cyber is available from OpenAI. Kimi K2.5 is available from Fireworks, Moonshot AI.

GPT-6 Cyber

openai logo
OpenAI
Input Price:Input: $20.00/1MOutput Price:Output: $100.00/1M

Kimi K2.5

fireworks logo
Fireworks
Input Price:Input: $0.60/1MOutput Price:Output: $3.00/1M
moonshot logo
Unknown Organization
Input Price:Input: $0.60/1MOutput Price:Output: $3.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against GPT-6 Cyber and Kimi K2.5 side-by-side, then vote on the output you prefer.

GPT-6 Cyber
✓ Preferred
Kimi K2.5
Open in Playground

FAQ

Common questions about GPT-6 Cyber vs Kimi K2.5.

Which is better, GPT-6 Cyber or Kimi K2.5?

GPT-6 Cyber leads the LLM Stats Score 40.8 to 38.2. GPT-6 Cyber is made by OpenAI and Kimi K2.5 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 K2.5 in benchmarks?

GPT-6 Cyber scores ExploitGym: 48.5%. Kimi K2.5 scores AIME 2025: 96.1%, HMMT 2025: 95.4%, InfoVQAtest: 92.6%, OCRBench: 92.3%, MathVista-Mini: 90.1%.

Is GPT-6 Cyber cheaper than Kimi K2.5?

Kimi K2.5 is 33.3x cheaper for input tokens. GPT-6 Cyber costs $20.00/M input and $100.00/M output via openai. Kimi K2.5 costs $0.60/M input and $3.00/M output via fireworks.

What are the context window sizes for GPT-6 Cyber and Kimi K2.5?

GPT-6 Cyber supports 1.1M tokens and Kimi K2.5 supports 262K 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 K2.5?

Key differences include LLM Stats Score (40.8 vs 38.2), context window (1.1M vs 262K), input pricing ($20.00 vs $0.60/M), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-6 Cyber and Kimi K2.5?

GPT-6 Cyber is developed by OpenAI and Kimi K2.5 is developed by Moonshot AI.

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