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GPT-6.1 Terra Pro OpenAI Grok 4.3 xAI
Input $1.00 $1.25
Output $5.00 $2.50
Blended $2.00 $1.56
Context window 1.05M 1M
Max output 128k No data
Output speed No data 95.6
Quality No data 52.9
Reasoning No data 63.7
Coding No data 59
Value No data 8.3
Vision ✓ ✓
Reasoning ✓ ✓
Tool calling ✓ ✓
Structured output ✓ ✓
Prompt caching ✓ ✓
Batch API − ✓
Licence Proprietary Proprietary
API model id gpt-6.1-terra-pro grok-4.3

At a glance

Input price, per million tokens
  1. GPT-6.1 Terra ProOpenAI$1.00
  2. Grok 4.3xAI$1.25
Output price, per million tokens
  1. GPT-6.1 Terra ProOpenAI$5.00
  2. Grok 4.3xAI$2.50
Context window
  1. GPT-6.1 Terra ProOpenAI1.05M
  2. Grok 4.3xAI1M

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