LongCat 2.0 vs Nemotron 3.5 Lightning: side-by-side summary

LongCat 2.0 and Nemotron 3.5 Lightning are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

LongCat 2.0, from meituan, has a 1,048,756-token context window and is priced at $0.30/M tokens input, $1.20/M tokens output on OpenRouter.

Nemotron 3.5 Lightning, from Nvidia, has a 262,144-token context window and is priced at $0.08/M tokens input, $0.20/M tokens output on OpenRouter.

Context window

• LongCat 2.0: 1,048,756 tokens
• Nemotron 3.5 Lightning: 262,144 tokens

Price

• LongCat 2.0: $0.30/M tokens input, $1.20/M tokens output
• Nemotron 3.5 Lightning: $0.08/M tokens input, $0.20/M tokens output

Provided by

• LongCat 2.0: meituan
• Nemotron 3.5 Lightning: Nvidia

• LongCat 2.0 model details, providers and pricing
• Nemotron 3.5 Lightning model details, providers and pricing