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Grok Code Fast 1

Grok Code Fast 1 is a speedy and economical reasoning model that excels at agentic coding. With reasoning traces visible in the response, developers can steer Grok Code for high-quality work flows.

Input / 1M tokens
$0.200
Output / 1M tokens
$1.50
Context window
256K tokens
Provider
X Ai
Cached input / 1M
$0.020
Knowledge cutoff
2025-09-30

Performance

Median streaming throughput and first-token latency measured by Artificial Analysis.

Output tokens / sec
185 t/s
Time to first token
5.37s

Benchmarks

Intelligence, coding, and math indexes plus the underlying evaluation scores.

Intelligence Index
29
Coding Index
24
Math Index
43
MMLU-Pro
79.3%
GPQA
72.7%
HLE
7.5%
LiveCodeBench
65.7%
SciCode
36.2%
MATH-500
AIME

Benchmarks via Artificial Analysis