Olmo 3.1 32B Instruct vs Granite 4.0 Micro: side-by-side summary

Olmo 3.1 32B Instruct and Granite 4.0 Micro are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

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

Granite 4.0 Micro, from ibm-granite, has a 131,000-token context window and is priced at $0.017/M tokens input, $0.112/M tokens output on OpenRouter.

Context window

• Olmo 3.1 32B Instruct: 65,536 tokens
• Granite 4.0 Micro: 131,000 tokens

Price

• Olmo 3.1 32B Instruct: Pricing varies by provider
• Granite 4.0 Micro: $0.017/M tokens input, $0.112/M tokens output

Provided by

• Olmo 3.1 32B Instruct: Ai2
• Granite 4.0 Micro: ibm-granite

• Olmo 3.1 32B Instruct model details, providers and pricing
• Granite 4.0 Micro model details, providers and pricing