Model Comparison
Kimi K3 vs MiMo-V2.5-ProWhich is better in 2026?
Kimi K3 significantly outperforms across most benchmarks. MiMo-V2.5-Pro is 11.0x cheaper per token.
Verdict: Kimi K3 vs MiMo-V2.5-Pro — which is better?
Kimi K3 (by Moonshot AI) and MiMo-V2.5-Pro (by Xiaomi) 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.
Kimi K3 outperforms in 3 benchmarks (GDPval-AA, GPQA, Humanity's Last Exam), while MiMo-V2.5-Pro is better at 0 benchmarks. Kimi K3 significantly outperforms across most benchmarks.
On price, MiMo-V2.5-Pro is roughly 11.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Choose Kimi K3 if…
- you want the strongest raw capability — it leads on 3 of 3 shared benchmarks
- you want the most recent training data — it shipped Jul 2026
Choose MiMo-V2.5-Pro if…
- cost matters — it's about 11.0x cheaper per token
- you need open weights you can self-host or fine-tune
Performance Benchmarks
Comparative analysis across standard metrics
Kimi K3 outperforms in 3 benchmarks (GDPval-AA, GPQA, Humanity's Last Exam), while MiMo-V2.5-Pro is better at 0 benchmarks.
Kimi K3 significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, Kimi K3 ($3.00/1M tokens) is 6.9x more expensive than MiMo-V2.5-Pro ($0.43/1M tokens).
For output processing, Kimi K3 ($15.00/1M tokens) is 17.2x more expensive than MiMo-V2.5-Pro ($0.87/1M tokens).
In conclusion, Kimi K3 is more expensive than MiMo-V2.5-Pro.*
* Using a 3:1 ratio of input to output tokens
Model Size
Parameter count comparison
Kimi K3 has 1776.8B more parameters than MiMo-V2.5-Pro, making it 173.6% larger.
Context Window
Maximum input and output token capacity
Both models have the same input context window of 1,048,576 tokens. Kimi K3 can generate longer responses up to 1,048,576 tokens, while MiMo-V2.5-Pro is limited to 131,072 tokens.
Input Capabilities
Supported data types and modalities
Kimi K3 supports multimodal inputs, whereas MiMo-V2.5-Pro does not.
Kimi K3 can handle both text and other forms of data like images, making it suitable for multimodal applications.
Kimi K3
MiMo-V2.5-Pro
Release Timeline
When each model was launched
Kimi K3 was released on 2026-07-16, while MiMo-V2.5-Pro was released on 2026-04-27.
Kimi K3 is 3 months newer than MiMo-V2.5-Pro.
Jul 16, 2026
1 days ago
2mo newerApr 27, 2026
2 months ago
Knowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
Kimi K3 is available from Moonshot AI. MiMo-V2.5-Pro is available from Xiaomi, DeepInfra, Novita.
Kimi K3
MiMo-V2.5-Pro
Outputs Comparison
Key Takeaways
Kimi K3
View detailsMoonshot AI
Detailed Comparison
Interactive Arena
Judge for yourself.
Run your own prompts against Kimi K3 and MiMo-V2.5-Pro side-by-side, then vote on the output you prefer.
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FAQ
Common questions about Kimi K3 vs MiMo-V2.5-Pro.