Model Comparison

Devstral Small 1.1 vs LongCat-Flash-Thinking-2601

LongCat-Flash-Thinking-2601 significantly outperforms across most benchmarks. Devstral Small 1.1 is 3.5x cheaper per token.

Want to compare interactively?Try the playground

Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

Devstral Small 1.1 outperforms in 0 benchmarks, while LongCat-Flash-Thinking-2601 is better at 1 benchmark (SWE-Bench Verified).

LongCat-Flash-Thinking-2601 significantly outperforms across most benchmarks.

Thu May 21 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Devstral Small 1.1 costs less

For input processing, Devstral Small 1.1 ($0.10/1M tokens) is 3.0x cheaper than LongCat-Flash-Thinking-2601 ($0.30/1M tokens).

For output processing, Devstral Small 1.1 ($0.30/1M tokens) is 4.0x cheaper than LongCat-Flash-Thinking-2601 ($1.20/1M tokens).

In conclusion, LongCat-Flash-Thinking-2601 is more expensive than Devstral Small 1.1.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Thu May 21 2026 • llm-stats.com
Mistral AI
Devstral Small 1.1
Input tokens$0.10
Output tokens$0.30
Best providerMistral
Meituan
LongCat-Flash-Thinking-2601
Input tokens$0.30
Output tokens$1.20
Best providerMeituan
Notice missing or incorrect data?Start an Issue→

Model Size

Parameter count comparison

536.0B diff

LongCat-Flash-Thinking-2601 has 536.0B more parameters than Devstral Small 1.1, making it 2233.3% larger.

Mistral AI
Devstral Small 1.1
24.0Bparameters
Meituan
LongCat-Flash-Thinking-2601
560.0Bparameters
24.0B
Devstral Small 1.1
560.0B
LongCat-Flash-Thinking-2601

Context Window

Maximum input and output token capacity

Both models have the same input context window of 128,000 tokens. Both models can generate responses up to 128,000 tokens.

Mistral AI
Devstral Small 1.1
Input128,000 tokens
Output128,000 tokens
Meituan
LongCat-Flash-Thinking-2601
Input128,000 tokens
Output128,000 tokens
Thu May 21 2026 • llm-stats.com

License

Usage and distribution terms

Devstral Small 1.1 is licensed under Apache 2.0, while LongCat-Flash-Thinking-2601 uses MIT.

License differences may affect how you can use these models in commercial or open-source projects.

Devstral Small 1.1

Apache 2.0

Open weights

LongCat-Flash-Thinking-2601

MIT

Open weights

Release Timeline

When each model was launched

Devstral Small 1.1 was released on 2025-07-11, while LongCat-Flash-Thinking-2601 was released on 2026-01-14.

LongCat-Flash-Thinking-2601 is 6 months newer than Devstral Small 1.1.

Devstral Small 1.1

Jul 11, 2025

10 months ago

LongCat-Flash-Thinking-2601

Jan 14, 2026

4 months ago

6mo 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

Devstral Small 1.1 is available from Mistral AI. LongCat-Flash-Thinking-2601 is available from Meituan.

Devstral Small 1.1

mistral logo
Mistral
Input Price:Input: $0.10/1MOutput Price:Output: $0.30/1M

LongCat-Flash-Thinking-2601

meituan logo
Meituan
Input Price:Input: $0.30/1MOutput Price:Output: $1.20/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Mistral AI
Less expensive input tokens
Less expensive output tokens
Meituan
Higher SWE-Bench Verified score (70.0% vs 53.6%)

Detailed Comparison

AI Model Comparison Table
Feature
Mistral AI
Devstral Small 1.1
Meituan
LongCat-Flash-Thinking-2601

FAQ

Common questions about Devstral Small 1.1 vs LongCat-Flash-Thinking-2601.

Which is better, Devstral Small 1.1 or LongCat-Flash-Thinking-2601?

LongCat-Flash-Thinking-2601 significantly outperforms across most benchmarks. Devstral Small 1.1 is made by Mistral AI and LongCat-Flash-Thinking-2601 is made by Meituan. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Devstral Small 1.1 compare to LongCat-Flash-Thinking-2601 in benchmarks?

Devstral Small 1.1 scores SWE-Bench Verified: 53.6%. LongCat-Flash-Thinking-2601 scores AIME 2025: 99.6%, Tau2 Telecom: 99.3%, Tau2 Retail: 88.6%, LiveCodeBench: 82.8%, GPQA: 80.5%.

Is Devstral Small 1.1 cheaper than LongCat-Flash-Thinking-2601?

Devstral Small 1.1 is 3.0x cheaper for input tokens. Devstral Small 1.1 costs $0.10/M input and $0.30/M output via mistral. LongCat-Flash-Thinking-2601 costs $0.30/M input and $1.20/M output via meituan.

What are the context window sizes for Devstral Small 1.1 and LongCat-Flash-Thinking-2601?

Devstral Small 1.1 supports 128K tokens and LongCat-Flash-Thinking-2601 supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Devstral Small 1.1 and LongCat-Flash-Thinking-2601?

Key differences include input pricing ($0.10 vs $0.30/M), licensing (Apache 2.0 vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Devstral Small 1.1 and LongCat-Flash-Thinking-2601?

Devstral Small 1.1 is developed by Mistral AI and LongCat-Flash-Thinking-2601 is developed by Meituan.