Models

Grok 4.5 vs Qwen3.5 397B A17B

Compare Grok 4.5 from Grok and Qwen3.5 397B A17B from Qwen on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the AIHubMix API.

GrokGrok 4.5QwenQwen3.5 397B A17B
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
Qwen logo
Qwen3.5 397B A17B
Qwen · text, image, video → text

The Qwen 3.5 native vision-language Plus model is built on a hybrid architecture that integrates linear attention mechanisms with sparse mixture-of-experts models, achieving higher inference efficiency. In multiple task evaluations, the 3.5 series has demonstrated outstanding performance comparable to current leading frontier models, with leapfrog improvements over the 3 series in both pure-text and multimodal capabilities. This model version is functionally equivalent to the snapshot model qwen3.5-plus-2026-02-15.

Input$0.16 /M
Output$0.99 /M

Pricing & Specifications

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

Grok 4.5
Qwen3.5 397B A17B
Input /M
$2.00
$0.16
Output /M
$6.00
$0.99
Cache read /M
$0.50
$0.16
Context length
500,000
991,000
Max output
500,000
64,000
Time to First Token
1.5 s
1.7 s
Throughput
25.7 tok/s
30.4 tok/s
Modalities
textimage
textimagevideo
Supported Parameters
thinkingtoolsfunction callingstructured outputslong context
toolsfunction callingstructured outputsweblong contextthinking
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-4.5qwen3.5-397b-a17b

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-4.5qwen3.5-397b-a17b

Throughput (tok/s)

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TTFT (s)

-

Uptime (%)

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LMArena Benchmarks

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

Text
grok-4.5qwen3.5-397b-a17b
13801420146015001540
Overall
14421470
Coding
14911523
Math
14491478
Hard prompts
14631495
Instruction following
14351466
Multi-turn
14531477
Creative writing
14061449
Longer query
14541485
Chinese
14991511
English
14491475
Vision
grok-4.5qwen3.5-397b-a17b
1220126013001340
Overall
12481282
OCR
12631295
Diagram
12771321
Homework
12831328
WebDev Arena
grok-4.5qwen3.5-397b-a17b
1360144015201600
Overall
13991556
React
13871559
HTML
14111577
Gaming
14011586
Simulations
13861598
Data analytics
13971522

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.

Qwen3.5 397B A17B
$24.66 /mo
Grok 4.5
$210 /mo

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

FAQ

Which is cheaper: Grok 4.5, Qwen3.5 397B A17B?

Qwen3.5 397B A17B: $0.99/M output tokens; Grok 4.5: $6.00/M. Use the cost calculator above to estimate your own workload.

How do their coding arena scores compare?

Grok 4.5: 1523; Qwen3.5 397B A17B: 1491 (LMArena coding leaderboard).

Which responds faster?

Grok 4.5: 1.5s time to first token measured on AIHubMix; see the live performance charts above for how each model behaves across the day.

How large is each context window?

Grok 4.5 accepts 500,000 and Qwen3.5 397B A17B accepts 991,000 input tokens. Maximum output per request is 500,000 tokens on Grok 4.5 and 64,000 tokens on Qwen3.5 397B A17B.

Which one generates tokens faster?

Qwen3.5 397B A17B at 30.4 tok/s and Grok 4.5 at 25.7 tok/s, measured as output throughput on AIHubMix — a separate metric from time to first token.

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; Qwen3.5 397B A17B accepts text, image and video input and supports tool calling, function calling, structured outputs, web search, long context and thinking.

Can I call Grok 4.5 and Qwen3.5 397B A17B 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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