Model Comparison

Gemini 2.0 Flash Thinking vs Kimi-k1.5Which is better in 2026?

Both models are evenly matched across the benchmarks.

Verdict: Gemini 2.0 Flash Thinking vs Kimi-k1.5 — which is better?

Gemini 2.0 Flash Thinking (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.

Gemini 2.0 Flash Thinking outperforms in 1 benchmarks (MMMU), while Kimi-k1.5 is better at 1 benchmark (AIME 2024). Both models are evenly matched across the benchmarks.

Choose Gemini 2.0 Flash Thinking if…

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

Choose Kimi-k1.5 if…

  • you are already invested in the Moonshot AI ecosystem

Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

Gemini 2.0 Flash Thinking outperforms in 1 benchmarks (MMMU), while Kimi-k1.5 is better at 1 benchmark (AIME 2024).

Both models are evenly matched across the benchmarks.

Thu Jul 02 2026 • llm-stats.com

Arena Performance

Human preference votes

Input Capabilities

Supported data types and modalities

Both Gemini 2.0 Flash Thinking and Kimi-k1.5 support multimodal inputs.

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

Gemini 2.0 Flash Thinking

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 2.0 Flash Thinking

Proprietary

Closed source

Kimi-k1.5

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 2.0 Flash Thinking was released on 2025-01-21, while Kimi-k1.5 was released on 2025-01-20.

Gemini 2.0 Flash Thinking is 0 month newer than Kimi-k1.5.

Gemini 2.0 Flash Thinking

Jan 21, 2025

1.4 years ago

1d newer
Kimi-k1.5

Jan 20, 2025

1.4 years ago

Knowledge Cutoff

When training data ends

Gemini 2.0 Flash Thinking has a documented knowledge cutoff of 2024-08-01, while Kimi-k1.5's cutoff date is not specified.

We can confirm Gemini 2.0 Flash Thinking's training data extends to 2024-08-01, but cannot make a direct comparison without Kimi-k1.5's cutoff date.

Gemini 2.0 Flash Thinking

Aug 2024

Kimi-k1.5

—

Outputs Comparison

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Key Takeaways

Google
Higher MMMU score (75.4% vs 70.0%)
Moonshot AI
Higher AIME 2024 score (77.5% vs 73.3%)

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Gemini 2.0 Flash Thinking and Kimi-k1.5 side-by-side, then vote on the output you prefer.

Gemini 2.0 Flash Thinking
✓ Preferred
Kimi-k1.5
Open in Playground
AI Model Comparison Table
Feature
Google
Gemini 2.0 Flash Thinking
Moonshot AI
Kimi-k1.5

FAQ

Common questions about Gemini 2.0 Flash Thinking vs Kimi-k1.5.

Which is better, Gemini 2.0 Flash Thinking or Kimi-k1.5?

Both models are evenly matched across the benchmarks. Gemini 2.0 Flash Thinking is made by Google and Kimi-k1.5 is made by Moonshot AI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Gemini 2.0 Flash Thinking compare to Kimi-k1.5 in benchmarks?

Gemini 2.0 Flash Thinking scores MMMU: 75.4%, GPQA: 74.2%, AIME 2024: 73.3%. Kimi-k1.5 scores MATH-500: 96.2%, CLUEWSC: 91.4%, C-Eval: 88.3%, MMLU: 87.4%, IFEval: 87.2%.

Who makes Gemini 2.0 Flash Thinking and Kimi-k1.5?

Gemini 2.0 Flash Thinking is developed by Google and Kimi-k1.5 is developed by Moonshot AI.

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