Grok Build 0.1 pricing & specs

xAI · released 2026-04-16 · ● verified 2026-10-11

input / 1M$1.00
output / 1M$2.00
context256K
max output256K

// price history ($/1M tokens)

$2.30
input $/1Moutput $/1M2026-04-16 → 2026-10-11

// cheaper or similar alternatives

modelinoutctxvs Grok Build 0.1
Gemini 2.5 Flash-Lite$0.10$0.401.05M−86%
Claude Haiku 5.5$0.10$0.501M−84%
GPT-6 Luna$0.10$0.501.05M−84%
GLM-5.3-Flash$0.15$0.501M−81%
GPT-5.6 Luna$0.20$1.201.05M−64%
Claude Haiku 4.5 vs Grok Build 0.1 →DeepSeek V3.2 vs Grok Build 0.1 →DeepSeek V4 Flash Vision Exp vs Grok Build 0.1 →DeepSeek V4 Pro vs Grok Build 0.1 →Gemini 3.1 Flash Lite vs Grok Build 0.1 →Gemini 3.5 Flash Lite vs Grok Build 0.1 →

// faq

How much does Grok Build 0.1 cost?

Grok Build 0.1 costs $1.00 per million input tokens and $2.00 per million output tokens. At 50M input and 10M output tokens per month that is about $70.00. Prompts above 200K tokens are billed at $2.00 input and $4.00 output.

What is the context window of Grok Build 0.1?

256K tokens, with up to 256K output tokens per request.

Does Grok Build 0.1 support prompt caching?

Yes. Cached input tokens cost $0.20 per million.

What are cheaper alternatives to Grok Build 0.1?

Gemini 2.5 Flash-Lite ($0.10 in / $0.40 out), Claude Haiku 5.5 ($0.10 in / $0.50 out), GPT-6 Luna ($0.10 in / $0.50 out) offer the same input types and capabilities for less.

// spec sheet

input / 1M
$1.00
output / 1M
$2.00
cache read / 1M
$0.20
> 200K ctx
$2.00 / $4.00
blended (3:1)
$1.25
context
256K
max output
256K
input types
text · image · pdf
reasoning
yes
tool calling
yes
structured output
yes
open weights
no
knowledge cutoff
n/a
price source
xAI

report a data error

// cost calculator

modelin $/1Mout $/1M= monthly
Gemini 2.5 Flash-Lite$0.10$0.40$9.00
Claude Haiku 5.5$0.10$0.50$10.00
GPT-6 Luna$0.10$0.50$10.00
Grok Build 0.1$1.00$2.00$70.00

Base-tier list prices. Long-context tiers, caching and batch discounts are not included.