Model Comparison
LongCat-Flash-Thinking-2601 vs Qwen2.5 7B Instruct
LongCat-Flash-Thinking-2601 significantly outperforms across most benchmarks. Qwen2.5 7B Instruct is 1.7x cheaper per token.
Performance Benchmarks
Comparative analysis across standard metrics
LongCat-Flash-Thinking-2601 outperforms in 2 benchmarks (GPQA, LiveCodeBench), while Qwen2.5 7B Instruct is better at 0 benchmarks.
LongCat-Flash-Thinking-2601 significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, LongCat-Flash-Thinking-2601 ($0.30/1M tokens) costs the same as Qwen2.5 7B Instruct ($0.30/1M tokens).
For output processing, LongCat-Flash-Thinking-2601 ($1.20/1M tokens) is 4.0x more expensive than Qwen2.5 7B Instruct ($0.30/1M tokens).
In conclusion, LongCat-Flash-Thinking-2601 is more expensive than Qwen2.5 7B Instruct.*
* Using a 3:1 ratio of input to output tokens
Model Size
Parameter count comparison
LongCat-Flash-Thinking-2601 has 552.4B more parameters than Qwen2.5 7B Instruct, making it 7258.7% larger.
Context Window
Maximum input and output token capacity
Qwen2.5 7B Instruct accepts 131,072 input tokens compared to LongCat-Flash-Thinking-2601's 128,000 tokens. LongCat-Flash-Thinking-2601 can generate longer responses up to 128,000 tokens, while Qwen2.5 7B Instruct is limited to 8,192 tokens.
License
Usage and distribution terms
LongCat-Flash-Thinking-2601 is licensed under MIT, while Qwen2.5 7B Instruct uses Apache 2.0.
License differences may affect how you can use these models in commercial or open-source projects.
MIT
Open weights
Apache 2.0
Open weights
Release Timeline
When each model was launched
LongCat-Flash-Thinking-2601 was released on 2026-01-14, while Qwen2.5 7B Instruct was released on 2024-09-19.
LongCat-Flash-Thinking-2601 is 16 months newer than Qwen2.5 7B Instruct.
Jan 14, 2026
3 months ago
1.3yr newerSep 19, 2024
1.6 years 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
LongCat-Flash-Thinking-2601 is available from Meituan. Qwen2.5 7B Instruct is available from Together.
LongCat-Flash-Thinking-2601
Qwen2.5 7B Instruct
Outputs Comparison
Key Takeaways
Qwen2.5 7B Instruct
View detailsAlibaba Cloud / Qwen Team
Detailed Comparison
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FAQ
Common questions about LongCat-Flash-Thinking-2601 vs Qwen2.5 7B Instruct