Grok Imagine Image 2.0 vs FLUX.2 Klein 4B: side-by-side summary

Grok Imagine Image 2.0 and FLUX.2 Klein 4B are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Grok Imagine Image 2.0, from SpaceXAI, has a 65,536-token context window and is priced from $0.04/image on OpenRouter.

FLUX.2 Klein 4B, from black-forest-labs, has a 40,960-token context window and is priced at $0.014/megapixel on OpenRouter.

Context window

• Grok Imagine Image 2.0: 65,536 tokens
• FLUX.2 Klein 4B: 40,960 tokens

Price

• Grok Imagine Image 2.0: from $0.04/image
• FLUX.2 Klein 4B: $0.014/megapixel

Provided by

• Grok Imagine Image 2.0: SpaceXAI
• FLUX.2 Klein 4B: black-forest-labs

• Grok Imagine Image 2.0 model details, providers and pricing
• FLUX.2 Klein 4B model details, providers and pricing