LongCat 2.0

LongCat 2.0

LongCattext#149 of 579 in intelligence

API Available

Specifications

Context Window

Input Price/1M

$0.75

#495 of 714

Output Price/1M

$2.95

Parameters

Speed

39 tok/s

#257 of 537

Latency (TTFT)

2.8s

Cost per Task

26.2

AA Score / US$ · higher = better

Benchmarks

LongCat 2.0 results on the main AI model evaluation benchmarks. Higher scores indicate better performance.

Coding

BenchmarkScoreMaximumMethodology
AA Coding Index45.3100.0Artificial Analysis official API
SciCode35.0100.0

Long Context

BenchmarkScoreMaximumMethodology
AA-LCR58.0100.0

overall

BenchmarkScoreMaximumMethodology
AA Intelligence Index34.0100.0Artificial Analysis official API

Reasoning

BenchmarkScoreMaximumMethodology
GPQA Diamond78.0100.0Artificial Analysis official API
HLE32.0100.0

Information

Release date
June 29, 2026
Tool Calling
❌ Not supported
Vision
❌ Not supported
Audio
❌ Not supported

Full Analysis: LongCat 2.0

What is LongCat 2.0?

LongCat 2.0 is an AI model developed by LongCat, classified as a text model. It focuses on text processing and natural language generation. As a proprietary model, it is available via LongCat's cloud API.

Pricing & Costs in 2026

LongCat 2.0 is usage-based, priced at $0.75/1M input tokens and $2.95/1M output tokens. For context: 1 million tokens is approximately 750,000 words, or about 10 average-length books. At this aggressive price point, it is one of the most cost-effective options on the market, ideal for high-volume applications like chatbots, bulk document analysis, and automation.

Benchmarks & Performance

LongCat 2.0 was evaluated on 6 different benchmarks, covering categories like Coding, Long Context, overall, Reasoning. Results show moderate performance across available evaluations.

It's important to note that benchmarks measure specific aspects and don't capture the full user experience. Factors like instruction adherence, behavior in long conversations, and real-world task quality vary significantly between models and aren't always reflected in standard scores.

Recommended Use Cases

LongCat 2.0 specializes in text, offering advanced capabilities for creating and processing text content.

Comparison with Alternatives

In the 2026 AI model ecosystem, LongCat 2.0 competes directly with similarly capable models. LongCat competes in this segment against OpenAI, Anthropic, Google, and Meta. The choice between models depends on the specific use case, budget, latency requirements, and need for features like multimodality and tool calling.

For a detailed side-by-side comparison, use our comparison tool or check the overall model ranking.

Frequently Asked Questions

What is LongCat 2.0?

LongCat 2.0 is an AI model developed by LongCat. It is a text model.

How much does LongCat 2.0 cost?

LongCat 2.0 costs $0.75/1M input tokens and $2.95/1M output tokens. For heavy usage (e.g., a chatbot handling 100k messages/month), costs can range from $10 to $1,000 depending on volume.

How does LongCat 2.0 compare with other models?

In available benchmarks, LongCat 2.0 scored: AA Coding Index: 45.3/100, SciCode: 35/100, AA-LCR: 58/100. See the full table above for a detailed comparison.

Is LongCat 2.0 open source?

No, LongCat 2.0 is a proprietary model from LongCat. It is available via cloud API. For open source alternatives, check our open source model ranking.

What is LongCat 2.0 best for?

LongCat 2.0 excels at general-purpose language tasks.

Last updated: September 01, 2026 View methodology →