GPT-5.6 Terra Pro vs WizardLM-2 8x22B: side-by-side summary

GPT-5.6 Terra Pro and WizardLM-2 8x22B are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

GPT-5.6 Terra Pro, from OpenAI, has a 1,050,000-token context window and is priced at $2/M tokens input, $12/M tokens output on OpenRouter.

WizardLM-2 8x22B, from Microsoft, has a 65,535-token context window and is priced at $0.62/M tokens input, $0.62/M tokens output on OpenRouter.

Context window

• GPT-5.6 Terra Pro: 1,050,000 tokens
• WizardLM-2 8x22B: 65,535 tokens

Price

• GPT-5.6 Terra Pro: $2/M tokens input, $12/M tokens output
• WizardLM-2 8x22B: $0.62/M tokens input, $0.62/M tokens output

Provided by

• GPT-5.6 Terra Pro: OpenAI
• WizardLM-2 8x22B: Microsoft

• GPT-5.6 Terra Pro model details, providers and pricing
• WizardLM-2 8x22B model details, providers and pricing