Models

Grok 4.5 vs O1 Preview

Compare Grok 4.5 from Grok and O1 Preview from OpenAI on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the AIHubMix API.

GrokGrok 4.5OpenAIO1 Preview
Grok logo
Grok 4.5
Grok · text, image → text

Grok 4.5 was trained on datasets spanning knowledge in coding, science, engineering, and math. With both intelligent and efficient reasoning, Grok 4.5 excels at real engineering tasks and exceeds comparable leading models at these tasks.

Input$2.00 /M
Output$6.00 /M
OpenAI logo
O1 Preview
OpenAI · text, image → text

The latest and most powerful inference model from OpenAI; AiHubMix uses both OpenAI and Microsoft Azure OpenAI channels simultaneously to achieve high-concurrency load balancing.

Input$15.00 /M
Output$60.00 /M

Pricing & Specifications

Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.

Grok 4.5
O1 Preview
Input /M
$2.00
$15.00
Output /M
$6.00
$60.00
Cache read /M
$0.50
$7.50
Context length
500,000
0
Max output
500,000
0
Time to First Token
2.6 s
-
Throughput
29.8 tok/s
-
Modalities
textimage
textimage
Supported Parameters
thinkingtoolsfunction callingstructured outputslong context
thinking
API Formats
Released
July 2026
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Promotional prices show the discounted rate; see each model page for promotion windows.

Activity Past 30 Days

Daily traffic served through AIHubMix — how demand for each model is trending.

grok-4.5o1-preview

Tokens / day

-

Requests / day

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Performance Past 3 Days

Measured on real AIHubMix traffic, hourly buckets. Gaps mean no traffic in that hour.

grok-4.5o1-preview

Throughput (tok/s)

-

TTFT (s)

-

Uptime (%)

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LMArena Benchmarks

LMArena ratings by capability (Bradley-Terry, commonly called Elo). Higher is better.

Text
grok-4.5o1-preview
1360142014801540
Overall
14021470
Coding
14331523
Math
14091478
Hard prompts
14181495
Instruction following
14071466
Multi-turn
13861477
Creative writing
13811449
Longer query
14121485
Chinese
14301511
English
14111475
Vision
grok-4.5o1-preview
1160122012801340
Overall
11931282
OCR
12951295
Diagram
13211321
Homework
13281328

Source: LMArena (arena.ai) leaderboard, imported by AIHubMix. Models without published ratings are omitted per chart.

Cost calculator

Estimate your monthly bill for the same workload on each model.

Grok 4.5
$210 /mo
O1 Preview
$1,800 /mo

Monthly = daily × 30. Discounted rates applied where a promotion is active.

FAQ

Which is cheaper: Grok 4.5, O1 Preview?

Grok 4.5: $6.00/M output tokens; O1 Preview: $60.00/M. Use the cost calculator above to estimate your own workload.

How do their coding arena scores compare?

Grok 4.5: 1523; O1 Preview: 1433 (LMArena coding leaderboard).

What inputs and capabilities does each model support?

Grok 4.5 accepts text and image input and supports thinking, tool calling, function calling, structured outputs and long context; O1 Preview accepts text and image input and supports thinking.

Can I call Grok 4.5 and O1 Preview with the same API key?

Yes. AIHubMix serves every model on this page behind one OpenAI-compatible endpoint, so switching between them is a one-line change to the model field — no second account, key or SDK.

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