Model Comparison

DeepSeek R1 Zero vs Kimi K2 BaseWhich is better in 2026?

DeepSeek R1 Zero significantly outperforms across most benchmarks.

Verdict: DeepSeek R1 Zero vs Kimi K2 Base — which is better?

DeepSeek R1 Zero (by DeepSeek) and Kimi K2 Base (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.

DeepSeek R1 Zero outperforms in 1 benchmarks (GPQA), while Kimi K2 Base is better at 0 benchmarks. DeepSeek R1 Zero significantly outperforms across most benchmarks.

Choose DeepSeek R1 Zero if…

  • you want the strongest raw capability — it leads on 1 of 1 shared benchmarks

Choose Kimi K2 Base if…

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

Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

DeepSeek R1 Zero outperforms in 1 benchmarks (GPQA), while Kimi K2 Base is better at 0 benchmarks.

DeepSeek R1 Zero significantly outperforms across most benchmarks.

Thu Jun 25 2026 • llm-stats.com

Arena Performance

Human preference votes

Model Size

Parameter count comparison

329.0B diff

Kimi K2 Base has 329.0B more parameters than DeepSeek R1 Zero, making it 49.0% larger.

DeepSeek
DeepSeek R1 Zero
671.0Bparameters
Moonshot AI
Kimi K2 Base
1.0Tparameters
671.0B
DeepSeek R1 Zero
1000.0B
Kimi K2 Base

License

Usage and distribution terms

Both models are licensed under MIT.

Both models share the same licensing terms, providing consistent usage rights.

DeepSeek R1 Zero

MIT

Open weights

Kimi K2 Base

MIT

Open weights

Release Timeline

When each model was launched

DeepSeek R1 Zero was released on 2025-01-20, while Kimi K2 Base was released on 2025-07-11.

Kimi K2 Base is 6 months newer than DeepSeek R1 Zero.

DeepSeek R1 Zero

Jan 20, 2025

1.4 years ago

Kimi K2 Base

Jul 11, 2025

11 months ago

5mo newer

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?Start an Issue discussion

Key Takeaways

Higher GPQA score (73.3% vs 48.1%)

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

Detailed Comparison

AI Model Comparison Table
Feature
DeepSeek
DeepSeek R1 Zero
Moonshot AI
Kimi K2 Base

FAQ

Common questions about DeepSeek R1 Zero vs Kimi K2 Base.

Which is better, DeepSeek R1 Zero or Kimi K2 Base?

DeepSeek R1 Zero significantly outperforms across most benchmarks. DeepSeek R1 Zero is made by DeepSeek and Kimi K2 Base is made by Moonshot AI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does DeepSeek R1 Zero compare to Kimi K2 Base in benchmarks?

DeepSeek R1 Zero scores MATH-500: 95.9%, AIME 2024: 86.7%, GPQA: 73.3%, LiveCodeBench: 50.0%. Kimi K2 Base scores C-Eval: 92.5%, GSM8k: 92.1%, MMLU-redux-2.0: 90.2%, MMLU: 87.8%, TriviaQA: 85.1%.

Who makes DeepSeek R1 Zero and Kimi K2 Base?

DeepSeek R1 Zero is developed by DeepSeek and Kimi K2 Base is developed by Moonshot AI.