Model Comparison
MAI-Thinking-1 vs Kimi K3Which is better in 2026?
Kimi K3 significantly outperforms across most benchmarks.
Verdict: MAI-Thinking-1 vs Kimi K3 — which is better?
MAI-Thinking-1 (by Microsoft) and Kimi K3 (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.
MAI-Thinking-1 outperforms in 0 benchmarks, while Kimi K3 is better at 1 benchmark (GPQA). Kimi K3 significantly outperforms across most benchmarks.
Choose MAI-Thinking-1 if…
- you are already invested in the Microsoft ecosystem
Choose Kimi K3 if…
- you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
- you want the most recent training data — it shipped Jul 2026
Performance Benchmarks
Comparative analysis across standard metrics
MAI-Thinking-1 outperforms in 0 benchmarks, while Kimi K3 is better at 1 benchmark (GPQA).
Kimi K3 significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Model Size
Parameter count comparison
Kimi K3 has 1800.0B more parameters than MAI-Thinking-1, making it 180.0% larger.
Context Window
Maximum input and output token capacity
Only Kimi K3 specifies input context (1,048,576 tokens). Only Kimi K3 specifies output context (1,048,576 tokens).
Input Capabilities
Supported data types and modalities
Kimi K3 supports multimodal inputs, whereas MAI-Thinking-1 does not.
Kimi K3 can handle both text and other forms of data like images, making it suitable for multimodal applications.
MAI-Thinking-1
Kimi K3
Release Timeline
When each model was launched
MAI-Thinking-1 was released on 2026-06-02, while Kimi K3 was released on 2026-07-16.
Kimi K3 is 1 month newer than MAI-Thinking-1.
Jun 2, 2026
1 months ago
Jul 16, 2026
1 days ago
1mo newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Outputs Comparison
Key Takeaways
MAI-Thinking-1
View detailsMicrosoft
No standout differentiators in the data we have for this pair.
Kimi K3
View detailsMoonshot AI
Detailed Comparison
Interactive Arena
Judge for yourself.
Run your own prompts against MAI-Thinking-1 and Kimi K3 side-by-side, then vote on the output you prefer.
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FAQ
Common questions about MAI-Thinking-1 vs Kimi K3.