Olmo 3.1 32B Think vs Grok 4.1 Fast: side-by-side summary

Olmo 3.1 32B Think and Grok 4.1 Fast are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Olmo 3.1 32B Think, from Ai2, has a 65,536-token context window and is priced by the provider serving it on OpenRouter.

Grok 4.1 Fast, from SpaceXAI, has a 2,000,000-token context window and is priced by the provider serving it on OpenRouter.

Context window

• Olmo 3.1 32B Think: 65,536 tokens
• Grok 4.1 Fast: 2,000,000 tokens

Price

• Olmo 3.1 32B Think: Pricing varies by provider
• Grok 4.1 Fast: Pricing varies by provider

Provided by

• Olmo 3.1 32B Think: Ai2
• Grok 4.1 Fast: SpaceXAI

• Olmo 3.1 32B Think model details, providers and pricing
• Grok 4.1 Fast model details, providers and pricing