Grok 4.6 vs LFM2.5-2.6B: side-by-side summary

Grok 4.6 and LFM2.5-2.6B 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.

LFM2.5-2.6B, from Liquid, has a 131,072-token context window and is priced by the provider serving it on OpenRouter.

Context window

• Grok 4.6: 500,000 tokens
• LFM2.5-2.6B: 131,072 tokens

Price

• Grok 4.6: $2/M tokens input, $6/M tokens output
• LFM2.5-2.6B: Pricing varies by provider

Provided by

• Grok 4.6: SpaceXAI
• LFM2.5-2.6B: Liquid

• Grok 4.6 model details, providers and pricing
• LFM2.5-2.6B model details, providers and pricing