Model Comparison
Kimi K2.5 vs MiMo-V2-Flash
Kimi K2.5 significantly outperforms across most benchmarks. MiMo-V2-Flash is 7.2x cheaper per token.
Performance Benchmarks
Comparative analysis across standard metrics
Kimi K2.5 outperforms in 11 benchmarks (AIME 2025, BrowseComp, GPQA, HMMT 2025, Humanity's Last Exam, LiveCodeBench v6, LongBench v2, MMLU-Pro, SWE-bench Multilingual, SWE-Bench Verified, Terminal-Bench 2.0), while MiMo-V2-Flash is better at 0 benchmarks.
Kimi K2.5 significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, Kimi K2.5 ($0.60/1M tokens) is 6.0x more expensive than MiMo-V2-Flash ($0.10/1M tokens).
For output processing, Kimi K2.5 ($2.50/1M tokens) is 8.3x more expensive than MiMo-V2-Flash ($0.30/1M tokens).
In conclusion, Kimi K2.5 is more expensive than MiMo-V2-Flash.*
* Using a 3:1 ratio of input to output tokens
Model Size
Parameter count comparison
Kimi K2.5 has 691.0B more parameters than MiMo-V2-Flash, making it 223.6% larger.
Context Window
Maximum input and output token capacity
Kimi K2.5 accepts 262,100 input tokens compared to MiMo-V2-Flash's 256,000 tokens. Kimi K2.5 can generate longer responses up to 262,100 tokens, while MiMo-V2-Flash is limited to 16,384 tokens.
Input Capabilities
Supported data types and modalities
Kimi K2.5 supports multimodal inputs, whereas MiMo-V2-Flash does not.
Kimi K2.5 can handle both text and other forms of data like images, making it suitable for multimodal applications.
Kimi K2.5
MiMo-V2-Flash
License
Usage and distribution terms
Both models are licensed under MIT.
Both models share the same licensing terms, providing consistent usage rights.
MIT
Open weights
MIT
Open weights
Release Timeline
When each model was launched
Kimi K2.5 was released on 2026-01-27, while MiMo-V2-Flash was released on 2025-12-16.
Kimi K2.5 is 1 month newer than MiMo-V2-Flash.
Jan 27, 2026
2 months ago
1mo newerDec 16, 2025
3 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 K2.5 is available from Fireworks. MiMo-V2-Flash is available from Xiaomi.
Kimi K2.5
MiMo-V2-Flash
Outputs Comparison
Key Takeaways
Kimi K2.5
View detailsMoonshot AI
Detailed Comparison
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FAQ
Common questions about Kimi K2.5 vs MiMo-V2-Flash