Grok 4.5
xai/grok-4.5
smartest model for coding, agentic tasks, knowledge work.
cmd --model xai/grok-4.5
Intelligence index
38.8
Coding index
72.4
Input
$2 /M
Output
$6 /M
Cache read
$0.50 /M
Agent-loop cost
$0.95 /M in
Context window
500K tokens
Released
July 8, 2026
Modalities
→
vs. the lineup
Grok 4.5 beside its stablemates and nearest rivals. The ◆ marks the best value in each column across every row shown.
pin a rival:
| Model | Intelligence | Coding | Input $/M | Output $/M | Blended $/M | Context |
|---|---|---|---|---|---|---|
| Muse Spark 1.3 | 48.1◆ | 75.8◆ | $1.25◆ | $4.25◆ | $2◆ | 1.05M◆ |
| Grok 4.7 | 46.4◆ | —◆ | $2◆ | $6◆ | $3◆ | 500K◆ |
| Grok 4.6 | 44.3◆ | 76.8◆ | $2◆ | $6◆ | $3◆ | 500K◆ |
| Gemini 3.7 Flash | 39.1◆ | 76.1◆ | $1.50◆ | $7.50◆ | $3◆ | 1.05M◆ |
| GPT-5.4 | 39◆ | 71.1◆ | $2.50◆ | $15◆ | $5.63◆ | 400K◆ |
| Grok 4.5 ◆ | 38.8◆ | 72.4◆ | $2◆ | $6◆ | $3◆ | 500K◆ |
| DeepSeek V4 Pro (latest)pinned | 36◆ | 68.8◆ | $0.66◆ | $1.98◆ | $0.99◆ | 1M◆ |
| DeepSeek V4 Flash (latest)pinned | 34◆ | 69.1◆ | $0.15◆ | $0.60◆ | $0.26◆ | 1M◆ |
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 4.5 has been left empty.
Coding Index
72.4
#17 of 52 scored
Terminal-Bench
81.6
#18 of 52 scored
Intelligence Index
38.8
#28 of 68 scored
Long-context reasoning
79.3
reasoning across a long context
SciCode
55
scientific coding
GPQA Diamond
93.1
graduate-level QA
usage calculator
How far a month of credits goes on Grok 4.5.
Input tokensfresh prompt
800Output tokensmodel reply
180Cache read tokensre-read context
50Kcost / request $0.028 · in $2 · out $6 · cache $0.50 per M
fresh input 6%output 4%cache reads 90%
Requests / 30 days
217
$6 credits ÷ $0.028 per request
~43 quick fixes~9 bug fixes~1 feature PRs
what real work costs
Real coding tasks priced end to end on Grok 4.5, 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
| Task | Tokens in · out | Grok 4.5 | Muse Spark 1.3 | Claude Haiku 4.5 |
|---|---|---|---|---|
| Quick lookup / one-liner | 8K · 1K | $0.01 | $0.0063 | $0.0065 |
| Review a 500-line PR | 60K · 4K | $0.08 | $0.05 | $0.04 |
| Fix a bug (agent loop) | 180K · 12K | $0.23 | $0.13 | $0.12 |
| Refactor a module | 320K · 20K | $0.41 | $0.23 | $0.21 |
| Full-repo agent run | 900K · 45K | $1.02 | $0.54 | $0.49 |
frequently asked
How much does Grok 4.5 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 Go and above.
How do I switch to it?
Run
cmd --model xai/grok-4.5, or type /model in a session and pick it. You can switch mid-session without losing context.Ship code that matches your taste
Command Code is the AI coding agent that continuously learns your taste. Start for $1.
Benchmarks from Artificial Analysis (v4.3)commandcode.ai/models/grok-4-5