Grok 1.5
Legacy
Original 2024 Grok 1.5 release. Retired, listed for historical pricing reference only.
Grok 1.5 is a frontier AI model from xAI. It costs $5.000 per million input tokens and $15.000 per million output tokens (blended $8.000/M), with a 128,000-token context window.
INPUT
$5.000/M
per million input tokens
OUTPUT
$15.000/M
per million output tokens
CONTEXT
128,000
tokens
Benchmarks
No published benchmark scores tracked for this model yet. Frontier and reasoning models from major providers have scores; smaller models and inference-host variants typically inherit the underlying open-weights score.
More from xAI
See all 8 →Grok 4.3
Frontier · 1,000,000 ctx
in $1.250/Mout $2.500/M
Grok 4
Previous · 256,000 ctx
in $3.000/Mout $15.000/M
Grok 3
Frontier · 131,000 ctx
in $3.000/Mout $15.000/M
Grok 3 mini
Efficient · 131,000 ctx
in $0.300/Mout $0.500/M
Grok 3 Fast
Balanced · 131,000 ctx
in $5.000/Mout $25.000/M
Grok 2
Previous · 131,000 ctx
in $2.000/Mout $10.000/M
Frequently asked questions
How much does Grok 1.5 cost?
Grok 1.5 costs $5.000 per million input tokens and $15.000 per million output tokens, for a blended reference rate of $8.000 per million tokens.
What is Grok 1.5's context window?
Grok 1.5 supports up to 128,000 tokens of context in a single request.
What is Grok 1.5 best for?
Original 2024 Grok 1.5 release. Retired, listed for historical pricing reference only.
Who makes Grok 1.5?
Grok 1.5 is developed and served by xAI.