Grok 4.6

xai/grok-4.6

frontier performance on coding, knowledge work, and STEM.

cmd --model xai/grok-4.6
Intelligence index
60.9
Output speed
60.8 tok/s
Input
$2 /M
Output
$6 /M
Cache read
$0.50 /M
Agent-loop cost
$0.95 /M in
Context window
500K tokens
Released
August 12, 2026
Modalities

vs. the lineup

Grok 4.6 beside its stablemates and nearest rivals. The ◆ marks the best value in each column across every row shown.

pin a rival:
ModelIntelligenceCodingSpeedInput $/MOutput $/MBlended $/MContext
Claude Fable 562.176.567.8$10$50$201M
Grok 4.660.976.860.8$2$6$3500K
GPT-5.6 Sol60.977.469.6$5$30$11.251.05M
GLM-5.359.574.880.6$1.40$4.40$2.151M
Grok 4.555.872.448.7$2$6$3500K
Gemini 3.5 Flash Lite37.449.3368.8$0.30$2.50$0.851M
DeepSeek V4 Pro (latest)pinned53.268.861$0.66$1.98$0.991M
DeepSeek V4 Flash (latest)pinned5269.1129$0.22$0.66$0.331M

coding performance

The Intelligence Index and its sub-scores, ranked against every scored model in the catalog. A metric that has not been measured for Grok 4.6 has been left empty.

Coding Index
76.8
#3 of 46 scored
Terminal-Bench
88.4
#2 of 46 scored
Intelligence Index
60.9
#4 of 52 scored
Long-context reasoning
75
reasoning across a long context
SciCode
53.6
scientific coding
GPQA Diamond
94.9
graduate-level QA

price bands

Grok 4.6 is not billed at one flat rate — the price changes with how much context a request carries. The header quotes the standard band; here is every band.

BandContextInput $/MOutput $/MCache read $/M
Standard≤ 200K$2.00$6.00$0.50
Long context> 200K$4.00$12.00$1.00

usage calculator

How far a month of credits goes on Grok 4.6.

Grok 4.6 runs on GOAT and up — from $10/mo.
Input tokensfresh prompt
800
Output tokensmodel reply
180
Cache read tokensre-read context
50K
cost / request $0.028 · in $2 · out $6 · cache $0.50 per M
fresh input 6%output 4%cache reads 90%
Requests / 30 days
723
$20 credits ÷ $0.028 per request
~145 quick fixes~29 bug fixes~5 feature PRs

what real work costs

Real coding tasks priced end to end on Grok 4.6, from a quick lookup to a full-repo agent run.

One agent task
$0.23
180K in at 75% cache hit, 12K out
What you pay
$1.20 /M
all-in across every token that task touched
Sticker input
$2 /M
cache reads bill at $0.50 /M instead
TaskTokens in · outGrok 4.6GLM-5.3Claude Haiku 4.5
Quick lookup / one-liner8K · 1K$0.01$0.0074$0.0065
Review a 500-line PR60K · 4K$0.08$0.05$0.04
Fix a bug (agent loop)180K · 12K$0.23$0.15$0.12
Refactor a module320K · 20K$0.41$0.27$0.21
Full-repo agent run900K · 45K$1.02$0.66$0.49

frequently asked

How much does Grok 4.6 cost?
$2/M input and $6/M output, cache reads $0.50/M. In an agent loop most input is cache-read, so the effective input rate is about $0.95/M.
Which plan do I need?
Available on GOAT and above.
How do I switch to it?
Run cmd --model xai/grok-4.6, or type /model in a session and pick it. You can switch mid-session without losing context.

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Benchmarks from Artificial Analysis (v4.1)commandcode.ai/models/grok-4-6