Grok 4.6 vs LongCat 2.0: side-by-side summary

Grok 4.6 and LongCat 2.0 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Grok 4.6, from SpaceXAI, has a 500,000-token context window and is priced at $2/M tokens input, $6/M tokens output on OpenRouter.

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.

Context window

• Grok 4.6: 500,000 tokens
• LongCat 2.0: 1,048,756 tokens

Price

• Grok 4.6: $2/M tokens input, $6/M tokens output
• LongCat 2.0: $0.30/M tokens input, $1.20/M tokens output

Provided by

• Grok 4.6: SpaceXAI
• LongCat 2.0: meituan

• Grok 4.6 model details, providers and pricing
• LongCat 2.0 model details, providers and pricing