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GPT-6.1 Terra OpenAI Grok 4.20 Multi-Agent 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
Vision ✓ ✓
Reasoning ✓ ✓
Tool calling ✓ ✓
Structured output ✓ ✓
Prompt caching ✓ ✓
Batch API − ✓
Licence Proprietary Proprietary
API model id gpt-6.1-terra grok-4.20-multi-agent-0309

At a glance

Input price, per million tokens
  1. GPT-6.1 TerraOpenAI$1.00
  2. Grok 4.20 Multi-AgentxAI$1.25
Output price, per million tokens
  1. GPT-6.1 TerraOpenAI$5.00
  2. Grok 4.20 Multi-AgentxAI$2.50
Context window
  1. GPT-6.1 TerraOpenAI1.05M
  2. Grok 4.20 Multi-AgentxAI1M

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