Which is cheaper, LongCat-Flash-Lite or Mercury 2?
As of August 21, 2026, LongCat-Flash-Lite is 50% cheaper on blended LLM API pricing. LongCat-Flash-Lite costs $0.10 per million input tokens and $0.40 per million output tokens ($0.50 blended 1M-in + 1M-out). Mercury 2 costs $0.25 / $0.75 per million tokens ($1.00 blended). Sources: https://anotherwrapper.com/tools/llm-pricing and https://anotherwrapper.com/tools/llm-pricing. The cheapest LLM for your app still depends on how many output tokens you generate.
How much does LongCat-Flash-Lite vs Mercury 2 cost per million tokens?
LongCat-Flash-Lite Meituan API pricing is $0.10 input and $0.40 output per million tokens via Meituan. Mercury 2 Inception API pricing is $0.25 input and $0.75 output per million tokens via Inception. Use those four numbers, not ChatGPT Plus or Claude Pro subscription prices, when you are comparing APIs.
Which is better for coding, LongCat-Flash-Lite or Mercury 2?
LongCat-Flash-Lite has a published SWE-bench Verified score of 54.4%. Mercury 2 does not have that eval on this page yet.
What is the context window for LongCat-Flash-Lite vs Mercury 2?
LongCat-Flash-Lite supports a 256K token context window, while Mercury 2 supports 128K tokens. LongCat-Flash-Lite offers a larger context window. Filling a larger window bills more input tokens, so the cheaper-per-million model can still cost more on long documents.
Which model performs better on benchmarks, LongCat-Flash-Lite or Mercury 2?
Mercury 2 leads on 2 of 3 shared benchmarks versus LongCat-Flash-Lite's 1 wins. Check the comparison table for GPQA Diamond, SWE-bench, MMLU, HLE, and the other evals we track. Token price and benchmark score together are the usual LLM comparison, not either number alone.
Is LongCat-Flash-Lite or Mercury 2 better for production use?
Both LongCat-Flash-Lite and Mercury 2 are production API models. For cost-sensitive production traffic, LongCat-Flash-Lite has better economics on the blended 1M-in + 1M-out scale. For maximum capability, weight the benchmark table for your domain. Many production stacks route cheap models for drafts and a frontier model for the hard turn, which is usually cheaper than sending everything to the expensive API.
Can I switch between LongCat-Flash-Lite and Mercury 2 in my app?
Yes. Call LongCat-Flash-Lite through Meituan and Mercury 2 through Inception with separate API keys, or through a gateway that already wraps both. Keep prompts in tokens, not characters, when you estimate the invoice. AnotherWrapper templates can swap providers without rewriting auth and billing.
How accurate is this LongCat-Flash-Lite vs Mercury 2 pricing data?
List rates are the latest published Meituan API pricing and Inception API pricing, quoted per million tokens. Official rate sheets: https://anotherwrapper.com/tools/llm-pricing and https://anotherwrapper.com/tools/llm-pricing. Prompt caching, batch APIs, and committed-use discounts can change the invoice. Benchmark scores are from official publications and independent evals, updated as new numbers land.
What is the output token limit for LongCat-Flash-Lite and Mercury 2?
LongCat-Flash-Lite supports up to 128K output tokens per request, while Mercury 2 supports up to 8K output tokens. Output tokens are usually the expensive half of API pricing, so a higher max output cap is a capability, not a discount.
Which model has better throughput, LongCat-Flash-Lite or Mercury 2?
LongCat-Flash-Lite runs at approximately 500 tokens/second while Mercury 2 runs at 1009 tokens/second. Mercury 2 is faster in raw throughput. Throughput (tokens per second) and time-to-first-token are why two models with the same per-million-token price can still feel different in chat and agents.
How do I switch the models in this LongCat-Flash-Lite vs Mercury 2 comparison?
Use the model pickers at the top of this LLM comparison. Search any model in the index and the URL updates. Open LongCat-Flash-Lite or Mercury 2 from the sidebar for the single-model API pricing page, or go back to the LLM pricing table to sort by cheapest blended cost.
