Model Comparison

Gemini 3 Pro vs Kimi-k1.5Which is better in 2026?

Comparing Gemini 3 Pro and Kimi-k1.5 across benchmarks, pricing, and capabilities.

Verdict: Gemini 3 Pro vs Kimi-k1.5 — which is better?

Gemini 3 Pro (by Google) and Kimi-k1.5 (by Moonshot AI) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

Choose Gemini 3 Pro if…

  • you want the most recent training data — it shipped Nov 2025

Choose Kimi-k1.5 if…

  • you are already invested in the Moonshot AI ecosystem

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Gemini 3 Pro and Kimi-k1.5don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only Gemini 3 Pro specifies input context (1,048,576 tokens). Only Gemini 3 Pro specifies output context (65,536 tokens).

Google
Gemini 3 Pro
Input1,048,576 tokens
Output65,536 tokens
Moonshot AI
Kimi-k1.5
Input- tokens
Output- tokens
Wed Jul 15 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Gemini 3 Pro and Kimi-k1.5 support multimodal inputs.

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

Gemini 3 Pro

Text
Images
Audio
Video

Kimi-k1.5

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Gemini 3 Pro

Proprietary

Closed source

Kimi-k1.5

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 3 Pro was released on 2025-11-18, while Kimi-k1.5 was released on 2025-01-20.

Gemini 3 Pro is 10 months newer than Kimi-k1.5.

Gemini 3 Pro

Nov 18, 2025

7 months ago

10mo newer
Kimi-k1.5

Jan 20, 2025

1.5 years ago

Knowledge Cutoff

When training data ends

Gemini 3 Pro has a documented knowledge cutoff of 2025-01-31, while Kimi-k1.5's cutoff date is not specified.

We can confirm Gemini 3 Pro's training data extends to 2025-01-31, but cannot make a direct comparison without Kimi-k1.5's cutoff date.

Gemini 3 Pro

Jan 2025

Kimi-k1.5

—

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Google
Larger context window (1,048,576 tokens)
Moonshot AI

No standout differentiators in the data we have for this pair.

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Gemini 3 Pro and Kimi-k1.5 side-by-side, then vote on the output you prefer.

Gemini 3 Pro
✓ Preferred
Kimi-k1.5
Open in Playground
AI Model Comparison Table
Feature
Google
Gemini 3 Pro
Moonshot AI
Kimi-k1.5

FAQ

Common questions about Gemini 3 Pro vs Kimi-k1.5.

Which is better, Gemini 3 Pro or Kimi-k1.5?

Gemini 3 Pro (Google) and Kimi-k1.5 (Moonshot AI) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does Gemini 3 Pro compare to Kimi-k1.5 in benchmarks?

Gemini 3 Pro scores AIME 2025: 100.0%, Vending-Bench 2: 100.0%, Global PIQA: 93.4%, GPQA: 91.9%, MMMLU: 91.8%. Kimi-k1.5 scores MATH-500: 96.2%, CLUEWSC: 91.4%, C-Eval: 88.3%, MMLU: 87.4%, IFEval: 87.2%.

What are the context window sizes for Gemini 3 Pro and Kimi-k1.5?

Gemini 3 Pro supports 1.0M tokens and Kimi-k1.5 supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

Who makes Gemini 3 Pro and Kimi-k1.5?

Gemini 3 Pro is developed by Google and Kimi-k1.5 is developed by Moonshot AI.

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