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Gemini 4 Carbon vs Kimi K2 Base

Gemini 4 Carbon leads the LLM Stats Score 59.0 to 12.7.

Google · Moonshot AI · Updated for 2026

Which is better?

Gemini 4 Carbon leads the overall LLM Stats Score 59.0 to 12.7, ranking #2 overall.

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

Choose Gemini 4 Carbon

  • overall performance matters — it scores 59.0 and ranks #2 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you want the most recent training data — it shipped Oct 2026

Choose Kimi K2 Base

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

At a glance

The differences that matter most.

Gemini 4 Carbon
Google
Kimi K2 Base
Moonshot AI
Core performance indexes
LLM Stats Score
59.0
#2
12.7
#280
Reasoning
54.9
#5
11.9
#280
Coding
48.1
#3
10.5
#193
Cost, coverage & limits
Benchmark wins
—
—
Input price
— / M
— / M
Output price
— / M
— / M
Context window
—
—

Individual benchmarks

16 reported for Gemini 4 Carbon · 13 for Kimi K2 Base

No common benchmarks found

Gemini 4 Carbon 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

Input capabilities

Documented input modalities across available providers

Gemini 4 Carbon supports multimodal inputs, whereas Kimi K2 Base does not.

Gemini 4 Carbon can handle both text and other forms of data like images, making it suitable for multimodal applications.

Gemini 4 Carbon

Text
Images
Audio
Video

Kimi K2 Base

Text
Images
Audio
Video

License

Usage and distribution terms

Gemini 4 Carbon 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.

Gemini 4 Carbon

Proprietary

Closed source

Kimi K2 Base

MIT

Open weights

Release Timeline

When each model was launched

Gemini 4 Carbon was released on 2026-10-28, while Kimi K2 Base was released on 2025-07-11.

Gemini 4 Carbon is 16 months newer than Kimi K2 Base.

Gemini 4 Carbon

Oct 28, 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 Gemini 4 Carbon and Kimi K2 Base side-by-side, then vote on the output you prefer.

Gemini 4 Carbon
✓ Preferred
Kimi K2 Base
Open in Playground

FAQ

Common questions about Gemini 4 Carbon vs Kimi K2 Base.

Which is better, Gemini 4 Carbon or Kimi K2 Base?

Gemini 4 Carbon leads the LLM Stats Score 59.0 to 12.7. Gemini 4 Carbon is made by Google 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 Gemini 4 Carbon compare to Kimi K2 Base in benchmarks?

Gemini 4 Carbon scores Gray Swan IPI Benchmark: 100.0%, Vending-Bench 2: 100.0%, Graphwalks BFS >128k: 96.2%, WebDev Arena: 88.4%, SEC-bench Pro: 88.2%. 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 main differences between Gemini 4 Carbon and Kimi K2 Base?

Key differences include LLM Stats Score (59.0 vs 12.7), multimodal support (yes vs no), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 4 Carbon and Kimi K2 Base?

Gemini 4 Carbon is developed by Google and Kimi K2 Base is developed by Moonshot AI.

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