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Grok 4.20 vs R1 1776

xAI vs Perplexity — benchmarks, pricing, and capabilities side by side.

  • •R1 1776 is cheaper ($0.00 vs $1.25 per 1M input)
Grok 4.20R1 1776
Intelligence index—95.4
DeveloperxAIPerplexity
TypeLLMLLM
AccessAPI only—
Context window2,000,000 tokens—
Input price$1.25 / 1M$0.00 / 1M
Output price$2.50 / 1M$0.00 / 1M
Speed——
ReleasedFebruary 17, 2026February 18, 2025
Parameters——
Input modalitiesText, Image—
Output modalitiesText—
Grok 4.20 details R1 1776 details