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Gemini 2.0 Flash Thinking vs Kimi-k1.5

Gemini 2.0 Flash Thinking and Kimi-k1.5 are closely matched at 17.1 and 17.4 on the LLM Stats Score.

Google · Moonshot AI · Updated for 2026

Which is better?

Gemini 2.0 Flash Thinking and Kimi-k1.5 are closely matched on the overall LLM Stats Score at 17.1 and 17.4.

The models split the 2 individual benchmarks reported for both models evenly.

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

Choose Gemini 2.0 Flash Thinking

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

Choose Kimi-k1.5

  • you are already invested in the Moonshot AI ecosystem

At a glance

The differences that matter most.

Gemini 2.0 Flash Thinking
Google
Kimi-k1.5
Moonshot AI
Core performance indexes
LLM Stats Score
17.1
#202
17.4
#200
Reasoning
17.3
#195
16.6
#199
Cost, coverage & limits
Benchmark wins
1 of 2
1 of 2
Input price
— / M
— / M
Output price
— / M
— / M
Context window
—
—

Individual benchmarks

3 reported for Gemini 2.0 Flash Thinking · 9 for Kimi-k1.5

2 shared

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.

Mon Aug 31 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Input capabilities

Documented input modalities across available providers

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

1.6 years ago

1d newer
Kimi-k1.5

Jan 20, 2025

1.6 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

Notice missing or incorrect data?Start an Issue discussion→

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

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?

Gemini 2.0 Flash Thinking and Kimi-k1.5 are closely matched on the LLM Stats Score at 17.1 and 17.4. 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 capability indexes, individual benchmarks, pricing, and limits 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%.

What are the main differences between Gemini 2.0 Flash Thinking and Kimi-k1.5?

Key differences include LLM Stats Score (17.1 vs 17.4). See the full comparison above for benchmark-by-benchmark results.

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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