WHY WE PICKED IT
xAI positions it as its flagship 'for code and everything else,' and real benchmark data backs that up, 53.8% on the Artificial Analysis Intelligence Index (rank 7 overall). The Cursor training partnership is a distinctive angle: it's specifically tuned for long-horizon, multi-repository coding agent work, not just general chat.
GETTING STARTED
Access Grok 4.5 via the xAI API or Grok apps. Pricing is $2/M input tokens, $6/M output tokens, with cached input at $0.50/M, a high-context surcharge applies above 200K tokens. Set the reasoning_effort parameter (low/medium/high) to balance cost against task difficulty; high is the default.
QUICK TIPS
1
Use reasoning_effort=low for simple tasks to control cost
2
Take advantage of the Cursor-trained coding-agent behavior for multi-repo work
3
Watch for the high-context surcharge above 200K tokens
4
Use cached input pricing where your workflow repeats context
5
Design long-running agent tasks with clear checkpoints given its multi-tool-call design
PRICING
Paid
Requires a paid subscription.
❓
FREQUENTLY ASKED QUESTIONS
Q
Is Grok 4.5 free?
A
No, Grok 4.5 requires a paid subscription.
Q
Does Grok 4.5 have an API?
A
No, Grok 4.5 does not appear to offer a public API.
Q
What is Grok 4.5 best for?
A
Grok 4.5 is best for Best for Long-Running Coding Agents. Grok 4. xAI positions it as its flagship 'for code and everything else,' and real benchmark data backs that up, 53.8% on the Artificial Analysis Intelligence Index (rank 7 overall). The Cursor training partnership is a distinctive angle: it's specifically tuned for long-horizon, multi-repository coding agent work, not just general chat.
Q
What platforms does Grok 4.5 support?
A
Grok 4.5 supports web, api.
Q
Is Grok 4.5 open source?
A
No, Grok 4.5 is not open source.
Q
How do I get started with Grok 4.5?
A
Access Grok 4.5 via the xAI API or Grok apps. Pricing is $2/M input tokens, $6/M output tokens, with cached input at $0.50/M, a high-context surcharge applies above 200K tokens. Set the reasoning_effort parameter (low/medium/high) to balance cost against task difficulty; high is the default.
Q
How do I use Grok 4.5?
A
Grok 4.5 is a large language model for text generation, analysis, and conversation. Access through the web interface. Enter prompts or questions to get responses. It excels at 53.8% on the artificial analysis intelligence index (rank 7 overall).
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