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GPT-5.4 Mini OpenAI Legacy Grok 4.20 Non-Reasoning xAI
Input $0.75 $1.25
Output $4.50 $2.50
Blended $1.69 $1.56
Context window 400k 1M
Max output 128k No data
Output speed 241 99.7
Quality 51.5 42.6
Reasoning 57.8 52.8
Coding 61.5 35.2
Value 7.5 6.7
Vision ✓ ✓
Reasoning ✓ −
Tool calling ✓ ✓
Structured output ✓ ✓
Prompt caching ✓ ✓
Batch API ✓ ✓
Licence Proprietary Proprietary
API model id gpt-5.4-mini grok-4.20-0309-non-reasoning

At a glance

Input price, per million tokens
  1. GPT-5.4 MiniOpenAI$0.75
  2. Grok 4.20 Non-ReasoningxAI$1.25
Output price, per million tokens
  1. GPT-5.4 MiniOpenAI$4.50
  2. Grok 4.20 Non-ReasoningxAI$2.50
Context window
  1. GPT-5.4 MiniOpenAI400k
  2. Grok 4.20 Non-ReasoningxAI1M

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