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GPT-6.1 Terra OpenAI Grok 4.20 Non-Reasoning 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 99.7
Quality No data 42.6
Reasoning No data 52.8
Coding No data 35.2
Value No data 6.7
Vision ✓ ✓
Reasoning ✓ −
Tool calling ✓ ✓
Structured output ✓ ✓
Prompt caching ✓ ✓
Batch API − ✓
Licence Proprietary Proprietary
API model id gpt-6.1-terra grok-4.20-0309-non-reasoning

At a glance

Input price, per million tokens
  1. GPT-6.1 TerraOpenAI$1.00
  2. Grok 4.20 Non-ReasoningxAI$1.25
Output price, per million tokens
  1. GPT-6.1 TerraOpenAI$5.00
  2. Grok 4.20 Non-ReasoningxAI$2.50
Context window
  1. GPT-6.1 TerraOpenAI1.05M
  2. Grok 4.20 Non-ReasoningxAI1M

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