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Grok 4.5 vs GPT-6.1 Terra

Model comparison
 Grok 4.5GPT-6.1 TerraNew
Made byxAIOpenAI
Context window500K tokens1M tokens
Reads imagesYesYes
Thinking effortAdjustable, up to HighAdjustable, up to Extra high
SpeedStandardStandard
Available onAll plansAll plans
Best for—Everyday taks, automations, budget friendly.
Intelligence rank at Vani#17#5

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For developers

Prepaid Vani API prices per 1M tokens.

API prices
 Grok 4.5GPT-6.1 TerraNew
API model idx-ai/grok-4.5openai/gpt-6.1-terra
Input per 1M tokens$1.40$0.70
Output per 1M tokens$4.20$3.50
Cached input per 1M tokens$0.21Same as input

Intelligence rank: Based on data from Artificial Analysis (artificialanalysis.ai). The ranking is Vani's ordering of the models it offers and is not endorsed by Artificial Analysis. Source