Meituan: LongCat 2.0
LongCat 2.0 is a sparse mixture-of-experts language model from Meituan, with 48B active parameters out of 1.6T total. It is suited for coding, repository-level changes, long-horizon problem solving, and agentic...
Anyone in the Project can @-mention Meituan: LongCat 2.0 with the team's shared context - pooled credits, one chat, one memory.
Starter is free forever - 1 Project, 100 credits/month, 1 MCP. No card.
Verdict
Best for
- Processing large Chinese-language documents
- Cost-sensitive multi-document analysis
- Bilingual Chinese-English translation tasks
- High-volume context ingestion on budget
Strengths
The 1.05M token context window rivals Gemini 1.5 Pro while undercutting it by 85% on input costs. Meituan's background in Chinese e-commerce and local services suggests strong training on Chinese text, making this a rare option for teams needing affordable long-context processing in Mandarin. The $1.20 output pricing remains competitive for summarization and extraction tasks where output tokens stay low relative to input volume.
Trade-offs
No public benchmarks means no visibility into reasoning depth, factual accuracy, or instruction-following against established models. Western users will likely see weaker performance on English-only tasks compared to Anthropic or OpenAI offerings. The proprietary license and Meituan's China focus raise questions about data handling for non-Chinese enterprises. Without MMLU, HumanEval, or similar scores, you're testing blind.
Specifications
- Provider
- meituan
- Category
- llm
- Context length
- 1,048,756 tokens
- Max output
- 262,144 tokens
- Modalities
- text
- License
- proprietary
- Released
- 2026-07-20
Pricing
- Input
- $0.30/Mtok
- Output
- $1.20/Mtok
- Model ID
meituan/longcat-2.0
Per-token prices show what the model costs upstream. On Switchy your team draws from one shared org credit pool - one plan, one balance for everyone.
Team cost calculator
5 seats · 80 msgs/day
Switchy meters this against your org's shared credit pool - one plan, one balance for everyone.
Providers
| Provider | Context | Input | Output | P50 latency | Throughput | 30d uptime |
|---|---|---|---|---|---|---|
| meituan | 1049k | $0.30/Mtok | $1.20/Mtok | — | — | — |
Performance
Benchmarks
Works well with
Top MCPs
Compatibility data comes from first-party telemetry; once we have enough co-usage signal, top MCPs for this model will appear here.
How Switchy teams use it
Starter prompts
Summarize Chinese Legal Documents
Read this Chinese contract in full. Extract all payment terms, liability clauses, and termination conditions. Present findings in a bulleted list with English translations for each key term.
Cross-Reference Product Reviews
I'm pasting 500 customer reviews for this product from Chinese platforms. Identify the top 5 recurring complaints and the top 3 praised features. Provide counts and representative quotes for each.
Translate Technical Documentation
Translate this 200-page Chinese technical manual to English. Maintain consistent terminology for all technical terms. Flag any sections where context is ambiguous and translation confidence is low.
Aggregate Multi-Source Reports
I'm providing 50 Chinese news articles about this policy change. Synthesize them into a 500-word English summary covering: timeline, key stakeholders, economic impact, and public reaction.
Extract Data From Scanned Forms
Extract all customer names, phone numbers, addresses, and order IDs from these 100 Chinese order forms. Output as a CSV with columns: name, phone, address, order_id. Flag any entries with missing data.
Example outputs
Illustrative - representative of the model's voice and quality, not literal recordings.
Analyze this 200-page product requirements document and identify all conflicting requirements between the mobile app team's specs (pages 45-89) and the backend API team's constraints (pages 120-167). List each conflict with page references.
This example would produce a structured analysis identifying approximately 12-15 conflicts across the specified sections. The model would extract specific requirement statements from both sections, quote relevant passages with exact page numbers, and explain why each pair conflicts — for instance, noting where the mobile team assumes real-time sync (page 67) while the backend specs limit polling to 5-minute intervals (page 134). Each conflict entry would include the requirement IDs, direct quotes, and a brief explanation of the technical incompatibility.
LongCat 2.0's 1M+ token context window makes it viable for analyzing entire technical documents in a single pass, eliminating the need to chunk or summarize first. However, without published benchmarks, retrieval accuracy across such long contexts remains unverified — users should validate critical findings against source material.
Here's our entire 6-month Slack export (850,000 tokens). Summarize the three main technical decisions our engineering team debated, who advocated for each position, and what we ultimately chose. Include message timestamps for key turning points.
This example would produce a narrative summary identifying the major technical debates — perhaps a database migration discussion, a frontend framework choice, and an API versioning strategy. For each debate, the model would name the primary advocates (referencing their Slack handles), quote representative arguments from specific dates, and identify the resolution point with timestamps. The summary would highlight when consensus shifted, such as after a particular benchmark was shared or when a prototype changed opinions.
The model's context capacity handles complete chat archives that would exceed most competitors' limits by 5-10x, enabling holistic pattern recognition across months of conversation. The $1.20/Mtok output pricing means a 2,000-word summary of this 850k-token input costs roughly $2.40 — reasonable for one-off analyses, but expensive for frequent organizational memory queries.
Compare these five research papers on transformer attention mechanisms (total 180 pages, all PDFs attached). Create a table showing which optimization techniques each paper proposes, their reported speedup factors, and which techniques are compatible with each other.
This example would generate a comparison table with papers as rows and optimization categories as columns — flash attention variants, sparse attention patterns, linear attention approximations, quantization approaches, and architectural modifications. Each cell would contain the specific technique name, the reported speedup (e.g., '2.3x on A100 GPUs'), and compatibility notes. A final column would cross-reference which techniques can be combined, citing specific passages where papers tested or discussed interactions between methods.
Multi-document synthesis across technical papers benefits from the extended context, as the model can cross-reference claims and methodologies without losing earlier papers from its working memory. The absence of public benchmarks means comparative accuracy against specialized research-assistant models is unknown — users working with high-stakes academic synthesis should verify technical claims independently.
Use-case deep-dives
When you need to compare 40+ vendor agreements in one session
A 4-person procurement team at a mid-market SaaS company needs to compare renewal terms across 50 vendor contracts before their fiscal year-end. LongCat 2.0's 1M+ token context window means you can load every contract into a single thread and ask cross-document questions without re-uploading or chunking. At $0.30/Mtok input, processing 800k tokens of contract text costs $0.24 — negligible compared to the hours saved on manual comparison. The output rate of $1.20/Mtok keeps summary costs reasonable if you're generating 20k-token comparison tables. This model wins when your bottleneck is context size, not inference speed. If you're only analyzing 3-5 documents per session, cheaper 128k-window models will do the job for less.
How a 12-person dev team uses extreme context for legacy rewrites
A startup engineering team inherited a 600k-token monorepo and needs to plan a microservices split without losing institutional knowledge buried in comments and commit history. LongCat 2.0 ingests the entire codebase plus 200k tokens of Slack discussion in one prompt, then generates a dependency graph and migration roadmap that references specific files and conversations. The lack of public benchmarks means you're flying blind on code-generation quality — test it on a 50k-token subset before committing to the full workflow. At $1.20/Mtok output, a 30k-token refactoring plan costs $0.036, which is trivial if it saves even one sprint of misaligned work. Use this when context completeness matters more than proven performance on HumanEval or MBPP.
When a 20-person support team needs weekly pattern analysis across 10k tickets
A B2B support org processes 2,000 tickets per week and wants to surface recurring pain points for the product team every Friday. LongCat 2.0 can ingest a full week of ticket text (roughly 400k tokens) and generate a prioritized issue list with verbatim customer quotes in under 60 seconds. The $0.30/Mtok input rate makes this a $0.12 weekly cost for the raw analysis; output summaries at 15k tokens add another $0.018. The missing benchmark data is a red flag if you need guaranteed accuracy on sentiment classification or entity extraction — run a 100-ticket pilot and compare results to your current tooling. This model is the right call when you value comprehensive context over proven NLP task performance, and when your ticket volume exceeds what 128k-window models can handle in a single pass.
Frequently asked
Is Meituan LongCat 2.0 good for processing long documents?
Yes, with a 1,048,756 token context window, LongCat 2.0 handles extremely long documents — roughly 750,000 words or 300+ page PDFs in a single pass. This makes it suitable for legal contract analysis, research paper synthesis, or codebase reviews where you need to maintain context across massive inputs without chunking.
Is LongCat 2.0 cheaper than GPT-4o for long-context tasks?
Yes. At $0.30 input per Mtok, LongCat 2.0 costs 60% less than GPT-4o's $0.75 input rate. For a 500k token document analysis, you'd pay $0.15 versus $0.375 with GPT-4o. The output cost of $1.20/Mtok is also competitive at 40% of GPT-4o's $3.00 rate, making it significantly more economical for high-volume long-context workloads.
Can LongCat 2.0 maintain accuracy across its full million-token window?
Unknown — Meituan hasn't published benchmarks like NIAH (Needle in a Haystack) that test retrieval accuracy at different context positions. Without public evaluation data, you should test your specific use case at scale before relying on the full window for production tasks where missing details in the middle of long contexts would be costly.
How does LongCat 2.0 compare to Claude 3.5 Sonnet for long documents?
LongCat 2.0 offers 5× the context window (1M tokens vs Claude's 200k) at one-third the input cost ($0.30 vs $1.00/Mtok). However, Claude publishes extensive benchmarks proving strong performance across its window, while LongCat 2.0 has no public evaluation data. Choose LongCat for cost-sensitive tasks with massive documents; choose Claude when you need proven reliability.
Should I use LongCat 2.0 for RAG applications?
Probably not as your primary approach. The million-token window means you could skip RAG entirely and feed entire knowledge bases directly, but without benchmarks proving retrieval accuracy, this is risky. Better to use LongCat for cases where you genuinely need the full context in one shot — like analyzing a complete codebase or legal case file — rather than replacing proven RAG architectures.
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