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

5 benchmarks

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.

Tue Jul 28 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

LongCat-Flash-Lite costs less

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

Lowest available price from all providers
Tue Jul 28 2026 • llm-stats.com
Meituan
LongCat-Flash-Lite
Input tokens$0.10
Output tokens$0.40
Best providerMeituan
Xiaomi
MiMo-V2.5-Pro
Input tokens$0.43
Output tokens$0.87
Best providerXiaomi
Notice missing or incorrect data?Start an Issue

Model Size

Parameter count comparison

954.7B diff

MiMo-V2.5-Pro has 954.7B more parameters than LongCat-Flash-Lite, making it 1393.8% larger.

Meituan
LongCat-Flash-Lite
68.5Bparameters
Xiaomi
MiMo-V2.5-Pro
1.0Tparameters
68.5B
LongCat-Flash-Lite
1023.2B
MiMo-V2.5-Pro

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.

Meituan
LongCat-Flash-Lite
Input256,000 tokens
Output128,000 tokens
Xiaomi
MiMo-V2.5-Pro
Input1,048,576 tokens
Output131,072 tokens
Tue Jul 28 2026 • llm-stats.com

License

Usage and distribution terms

Both models are licensed under MIT.

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

LongCat-Flash-Lite

MIT

Open weights

MiMo-V2.5-Pro

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.

LongCat-Flash-Lite

Feb 5, 2026

5 months ago

MiMo-V2.5-Pro

Apr 27, 2026

3 months ago

2mo 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

Provider Availability

LongCat-Flash-Lite is available from Meituan. MiMo-V2.5-Pro is available from Xiaomi, DeepInfra, Novita.

LongCat-Flash-Lite

meituan logo
Meituan
Input Price:Input: $0.10/1MOutput Price:Output: $0.40/1M

MiMo-V2.5-Pro

xiaomi logo
Xiaomi
Input Price:Input: $0.43/1MOutput Price:Output: $0.87/1M
deepinfra logo
Deepinfra
Input Price:Input: $1.00/1MOutput Price:Output: $3.00/1M
novita logo
Novita
Input Price:Input: $2.00/1MOutput Price:Output: $6.00/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Less expensive input tokens
Less expensive output tokens
Higher GPQA score (66.8% vs 66.7%)
Higher MMLU-Pro score (78.3% vs 68.5%)
Larger context window (1,048,576 tokens)
Higher CMMLU score (90.2% vs 82.5%)
Higher MMLU score (89.4% vs 85.5%)
Higher SWE-Bench Verified score (78.9% vs 54.4%)

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.

LongCat-Flash-Lite
✓ Preferred
MiMo-V2.5-Pro
Open in Playground
AI Model Comparison Table
Feature
Meituan
LongCat-Flash-Lite
Xiaomi
MiMo-V2.5-Pro

FAQ

Common questions about LongCat-Flash-Lite vs MiMo-V2.5-Pro.

Which is better, LongCat-Flash-Lite or MiMo-V2.5-Pro?

MiMo-V2.5-Pro has a slight edge in benchmark performance. LongCat-Flash-Lite is made by Meituan and MiMo-V2.5-Pro is made by Xiaomi. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does LongCat-Flash-Lite compare to MiMo-V2.5-Pro in benchmarks?

LongCat-Flash-Lite scores MATH-500: 96.8%, MMLU: 85.5%, CMMLU: 82.5%, MMLU-Pro: 78.3%, Tau2 Retail: 73.1%. MiMo-V2.5-Pro scores FrontierSWE (Impl.): 100.0%, GSM8k: 99.6%, ARC-C: 97.2%, MMLU-Redux: 92.8%, C-Eval: 91.5%.

Is LongCat-Flash-Lite cheaper than MiMo-V2.5-Pro?

LongCat-Flash-Lite is 4.3x cheaper for input tokens. LongCat-Flash-Lite costs $0.10/M input and $0.40/M output via meituan. MiMo-V2.5-Pro costs $0.43/M input and $0.87/M output via xiaomi.

What are the context window sizes for LongCat-Flash-Lite and MiMo-V2.5-Pro?

LongCat-Flash-Lite supports 256K tokens and MiMo-V2.5-Pro supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between LongCat-Flash-Lite and MiMo-V2.5-Pro?

Key differences include context window (256K vs 1.0M), input pricing ($0.10 vs $0.43/M). See the full comparison above for benchmark-by-benchmark results.

Who makes LongCat-Flash-Lite and MiMo-V2.5-Pro?

LongCat-Flash-Lite is developed by Meituan and MiMo-V2.5-Pro is developed by Xiaomi.