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Qwen/Qwen2.5-72B-Instruct-128K vs Grok 4.5

Compare Qwen/Qwen2.5-72B-Instruct-128K from Qwen and Grok 4.5 from Grok on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the AIHubMix API.

QwenQwen/Qwen2.5-72B-Instruct-128KGrokGrok 4.5
Qwen logo
Qwen/Qwen2.5-72B-Instruct-128K
Qwen · → text

Input$0.8 /M
Output$0.8 /M
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

Pricing & Specifications

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

Qwen/Qwen2.5-72B-Instruct-128K
Grok 4.5
Input /M
$0.8
$2
Output /M
$0.8
$6
Cache read /M
-
$0.5
Context length
0
500,000
Max output
0
500,000
Time to First Token
-
1.6 s
Throughput
-
17.5 tok/s
Modalities
textimage
Supported Parameters
thinkingtoolsfunction callingstructured outputslong context
API Formats
Released
-
July 2026

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.

Qwen/Qwen2.5-72B-Instruct-128Kgrok-4.5

Tokens / day

-

Requests / day

-

Performance Past 3 Days

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

Qwen/Qwen2.5-72B-Instruct-128Kgrok-4.5

Throughput (tok/s)

-

TTFT (s)

-

Uptime (%)

-

LMArena Benchmarks

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

Text
Qwen/Qwen2.5-72B-Instruct-128Kgrok-4.5
1220130013801460
Overall
13031466
Coding
13561356
Math
12971297
Hard prompts
13181318
Instruction following
12921292
Multi-turn
12991299
Creative writing
12541254
Longer query
13171317
Chinese
13211321
English
13161316

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.

Qwen/Qwen2.5-72B-Instruct-128K
$60.00 /mo
Grok 4.5
$210 /mo

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

FAQ

Which is cheaper: Qwen/Qwen2.5-72B-Instruct-128K, Grok 4.5?

Qwen/Qwen2.5-72B-Instruct-128K: $0.8/M output tokens; Grok 4.5: $6/M. Use the cost calculator above to estimate your own workload.

Can I call Qwen/Qwen2.5-72B-Instruct-128K and Grok 4.5 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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