grok-4-fast-reasoning
Common Name: Grok 4 Fast
Grok 4 Fast with reasoning mode, using 40% fewer thinking tokens than Grok 4 with 2M token context.
Specifications
Context
2000K
Maximum Output
30K
Inputtext, image
Outputtext
Performance (7-day Average)
Collecting…
Collecting…
Collecting…
Pricing
Input$0.22/MTokens
Cached Input$0.06/MTokens
Output$0.55/MTokens
Availability Trend (24h)
Performance Metrics (24h)
Similar Models
$0.22/$0.55/M
ctx2.0Mmax128Kavail—tps—
InOutCap
A frontier multimodal model optimized specifically for high-performance agentic tool calling.
$0.22/$0.55/M
ctx2.0Mmax128Kavail—tps—
InOutCap
A frontier multimodal model optimized specifically for high-performance agentic tool calling.
$0.22/$0.55/M
ctx2.0Mmax128Kavail—tps—
InOutCap
A frontier multimodal model optimized specifically for high-performance agentic tool calling.
$0.22/$0.55/M
ctx2.0Mmax128Kavail—tps—
InOutCap
A frontier multimodal model optimized specifically for high-performance agentic tool calling.