Model Comparison
LongCat-Flash-Lite vs MiMo-V2.5-ProWhich is better in 2026?
MiMo-V2.5-Pro has a slight edge in benchmark performance. LongCat-Flash-Lite is 3.1x cheaper per token.
Verdict: LongCat-Flash-Lite vs MiMo-V2.5-Pro — which is better?
LongCat-Flash-Lite (by Meituan) 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.
LongCat-Flash-Lite outperforms in 2 benchmarks (GPQA, MMLU-Pro), while MiMo-V2.5-Pro is better at 3 benchmarks (CMMLU, MMLU, SWE-Bench Verified). MiMo-V2.5-Pro has a slight edge in benchmark performance.
On price, LongCat-Flash-Lite is roughly 3.1x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
MiMo-V2.5-Pro also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.
Choose LongCat-Flash-Lite if…
- cost matters — it's about 3.1x cheaper per token
Choose MiMo-V2.5-Pro if…
- you want the strongest raw capability — it leads on 3 of 5 shared benchmarks
- you process long inputs — it offers a 1,048,576 token context window
- you want the most recent training data — it shipped Apr 2026
Performance Benchmarks
Comparative analysis across standard metrics
LongCat-Flash-Lite outperforms in 2 benchmarks (GPQA, MMLU-Pro), while MiMo-V2.5-Pro is better at 3 benchmarks (CMMLU, MMLU, SWE-Bench Verified).
MiMo-V2.5-Pro has a slight edge in benchmark performance.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, LongCat-Flash-Lite ($0.10/1M tokens) is 4.3x cheaper than MiMo-V2.5-Pro ($0.43/1M tokens).
For output processing, LongCat-Flash-Lite ($0.40/1M tokens) is 2.2x cheaper than MiMo-V2.5-Pro ($0.87/1M tokens).
In conclusion, MiMo-V2.5-Pro is more expensive than LongCat-Flash-Lite.*
* Using a 3:1 ratio of input to output tokens
Model Size
Parameter count comparison
MiMo-V2.5-Pro has 954.7B more parameters than LongCat-Flash-Lite, making it 1393.8% larger.
Context Window
Maximum input and output token capacity
MiMo-V2.5-Pro accepts 1,048,576 input tokens compared to LongCat-Flash-Lite's 256,000 tokens. MiMo-V2.5-Pro can generate longer responses up to 131,072 tokens, while LongCat-Flash-Lite is limited to 128,000 tokens.
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
LongCat-Flash-Lite was released on 2026-02-05, while MiMo-V2.5-Pro was released on 2026-04-27.
MiMo-V2.5-Pro is 3 months newer than LongCat-Flash-Lite.
Feb 5, 2026
5 months ago
Apr 27, 2026
3 months ago
2mo newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
LongCat-Flash-Lite is available from Meituan. MiMo-V2.5-Pro is available from Xiaomi, DeepInfra, Novita.
LongCat-Flash-Lite
MiMo-V2.5-Pro
Outputs Comparison
Key Takeaways
Detailed Comparison
Interactive Arena
Judge for yourself.
Run your own prompts against LongCat-Flash-Lite and MiMo-V2.5-Pro side-by-side, then vote on the output you prefer.
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FAQ
Common questions about LongCat-Flash-Lite vs MiMo-V2.5-Pro.