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Gemini 3 Flash vs Kimi K2 Base

Gemini 3 Flash leads the LLM Stats Score 36.8 to 13.5.

Google · Moonshot AI · Updated for 2026

Which is better?

Gemini 3 Flash leads the overall LLM Stats Score 36.8 to 13.5, ranking #76 overall.

In the 2 individual benchmarks reported for both models, Gemini 3 Flash 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 Gemini 3 Flash

  • overall performance matters — it scores 36.8 and ranks #76 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 Dec 2025

Choose Kimi K2 Base

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

At a glance

The differences that matter most.

Gemini 3 Flash
Google
Kimi K2 Base
Moonshot AI
Core performance indexes
LLM Stats Score
36.8
#76
13.5
#247
Reasoning
37.6
#67
12.6
#245
Coding
22.4
#83
10.6
#166
Cost, coverage & limits
Benchmark wins
2 of 2
0 of 2
Input price
$0.50 / M
— / M
Output price
$3.00 / M
— / M
Context window
1,000,000
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Gemini 3 Flash
Kimi K2 Base
Math
37.0#32
14.3#219
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

24 reported for Gemini 3 Flash · 13 for Kimi K2 Base

2 shared

Gemini 3 Flash outperforms in 2 benchmarks (GPQA, SimpleQA), while Kimi K2 Base is better at 0 benchmarks.

Gemini 3 Flash significantly outperforms across most benchmarks.

Tue Sep 22 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only Gemini 3 Flash specifies input context (1,000,000 tokens). Only Gemini 3 Flash specifies output context (65,536 tokens).

Google
Gemini 3 Flash
Input1,000,000 tokens
Output65,536 tokens
Moonshot AI
Kimi K2 Base
Input- tokens
Output- tokens
Tue Sep 22 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Gemini 3 Flash supports multimodal inputs, whereas Kimi K2 Base does not.

Gemini 3 Flash can handle both text and other forms of data like images, making it suitable for multimodal applications.

Gemini 3 Flash

Text
Images
Audio
Video

Kimi K2 Base

Text
Images
Audio
Video

License

Usage and distribution terms

Gemini 3 Flash 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 3 Flash

Proprietary

Closed source

Kimi K2 Base

MIT

Open weights

Release Timeline

When each model was launched

Gemini 3 Flash was released on 2025-12-17, while Kimi K2 Base was released on 2025-07-11.

Gemini 3 Flash is 5 months newer than Kimi K2 Base.

Gemini 3 Flash

Dec 17, 2025

9 months ago

5mo newer
Kimi K2 Base

Jul 11, 2025

1.2 years ago

Knowledge Cutoff

When training data ends

Gemini 3 Flash has a documented knowledge cutoff of 2025-01-31, while Kimi K2 Base's cutoff date is not specified.

We can confirm Gemini 3 Flash's training data extends to 2025-01-31, but cannot make a direct comparison without Kimi K2 Base's cutoff date.

Gemini 3 Flash

Jan 2025

Kimi K2 Base

—

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Gemini 3 Flash and Kimi K2 Base side-by-side, then vote on the output you prefer.

Gemini 3 Flash
✓ Preferred
Kimi K2 Base
Open in Playground

FAQ

Common questions about Gemini 3 Flash vs Kimi K2 Base.

Which is better, Gemini 3 Flash or Kimi K2 Base?

Gemini 3 Flash leads the LLM Stats Score 36.8 to 13.5. Gemini 3 Flash 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 3 Flash compare to Kimi K2 Base in benchmarks?

Gemini 3 Flash scores Vending-Bench 2: 100.0%, AIME 2025: 99.7%, Global PIQA: 92.8%, MMMLU: 91.8%, GPQA: 90.4%. 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 Gemini 3 Flash and Kimi K2 Base?

Gemini 3 Flash supports 1.0M 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 Gemini 3 Flash and Kimi K2 Base?

Key differences include LLM Stats Score (36.8 vs 13.5), multimodal support (yes vs no), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 3 Flash and Kimi K2 Base?

Gemini 3 Flash is developed by Google and Kimi K2 Base is developed by Moonshot AI.

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