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Grok 4.5 vs O1 Mini

Compare Grok 4.5 from Grok and O1 Mini 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 Mini
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 /M
Output$6 /M
Cache read$0.5 /M
OpenAI logo
O1 Mini
OpenAI · → text

o1-mini is faster and 80% cheaper, and is competitive with o1-preview on coding tasks. AiHubMix uses both OpenAI and Microsoft Azure OpenAI channels simultaneously.

Input$3 /M
Output$12 /M
Cache read$1.5 /M

Pricing & Specifications

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

Grok 4.5
O1 Mini
Input /M
$2
$3
Output /M
$6
$12
Cache read /M
$0.5
$1.5
Context length
500,000
0
Max output
500,000
0
Time to First Token
4.4 s
-
Throughput
34.2 tok/s
-
Modalities
textimage
Supported Parameters
thinkingtoolsfunction callingstructured outputslong context
API Formats
Released
July 2026
January 1, 2025

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-mini

Tokens / day

-

Requests / day

-

Performance Past 3 Days

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

grok-4.5o1-mini

Throughput (tok/s)

-

TTFT (s)

-

Uptime (%)

-

LMArena Benchmarks

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

Text
grok-4.5o1-mini
1260134014201500
Overall
13371471
Coding
13881523
Math
13621479
Hard prompts
13611495
Instruction following
13321466
Multi-turn
13241476
Creative writing
12811451
Longer query
13441487
Chinese
13491512
English
13541476

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 Mini
$360 /mo

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

FAQ

Which is cheaper: Grok 4.5, O1 Mini?

Grok 4.5: $6/M output tokens; O1 Mini: $12/M. Use the cost calculator above to estimate your own workload.

How do their coding arena scores compare?

Grok 4.5: 1523; O1 Mini: 1388 (LMArena coding leaderboard).

Can I call Grok 4.5 and O1 Mini 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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