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Grok 4.5 vs Qwen3 Coder Flash

Compare Grok 4.5 from Grok and Qwen3 Coder Flash 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 Coder Flash
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
Qwen logo
Qwen3 Coder Flash
Qwen · text → text

Qwen3 Coder Flash is Alibaba's fast and cost efficient version of their proprietary Qwen3 Coder Plus. It is a powerful coding agent model specializing in autonomous programming via tool calling and environment interaction, combining coding proficiency with versatile general-purpose abilities.

Input$0.136 /M
Output$0.544 /M

Pricing & Specifications

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

Grok 4.5
Qwen3 Coder Flash
Input /M
$2
$0.136
Output /M
$6
$0.544
Cache read /M
$0.5
-
Context length
500,000
1,000,000
Max output
500,000
65,536
Time to First Token
1.6 s
2.6 s
Throughput
17.9 tok/s
56.7 tok/s
Modalities
textimage
text
Supported Parameters
thinkingtoolsfunction callingstructured outputslong context
toolsfunction callingstructured outputs
API Formats
Released
July 2026
July 28, 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-4.5qwen3-coder-flash

Tokens / day

-

Requests / day

-

Performance Past 3 Days

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

grok-4.5qwen3-coder-flash

Throughput (tok/s)

-

TTFT (s)

-

Uptime (%)

-

LMArena Benchmarks

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

Text
grok-4.5qwen3-coder-flash
13401380142014601500
Overall
13881466
Coding
14571457
Math
13771377
Hard prompts
14141414
Instruction following
13851385
Multi-turn
13991399
Creative writing
13651365
Longer query
14091409
Chinese
14061406
English
14001400
WebDev Arena
grok-4.5qwen3-coder-flash
1240134014401540
Overall
12821553
React
12661266
HTML
12911291
Gaming
12651265
Simulations
12661266
Data analytics
12821282

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 Coder Flash
$16.32 /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 Coder Flash?

Qwen3 Coder Flash: $0.544/M output tokens; Grok 4.5: $6/M. Use the cost calculator above to estimate your own workload.

Which responds faster?

Grok 4.5: 1.6s 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 Coder Flash accepts 1,000,000 input tokens. Maximum output per request is 500,000 tokens on Grok 4.5 and 65,536 tokens on Qwen3 Coder Flash.

Which one generates tokens faster?

Qwen3 Coder Flash at 56.7 tok/s and Grok 4.5 at 17.9 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 Coder Flash accepts text input and supports tool calling, function calling and structured outputs.

Can I call Grok 4.5 and Qwen3 Coder Flash 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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