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Grok 4.1 fast thinking

Grok 4.1 Fast Thinking is the reasoning-enabled variant of Grok 4.1 Fast. It provides extended thought processes for complex problem-solving within a 2M context.

Thinking Mode
Parameters
N/A
Context
2,000,000 tokens
Released
Invalid Date

Leaderboards

Performance vs. Industry Average

Intelligence

Grok 4.1 fast thinking is of higher intelligence compared to average (4.1), with an intelligence score of 4.2.

Price

Grok 4.1 fast thinking is cheaper compared to average ($4.58 per 1M Tokens) with a price of $0.27 per 1M Tokens.

Latency

Grok 4.1 fast thinking has a lower average latency compared to average (116.45s), with an average latency of 69.24s.

P99 Latency

Grok 4.1 fast thinking has a lower P99 latency compared to average (339.37s), taking 207.02s to receive the first token at P99 (TTFT).

Context Window

Grok 4.1 fast thinking has a larger context window than average (351k tokens), with a context window of 2000k tokens.

Grok 4.1 fast thinking - AutoBench