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DeepSeek V4 Pro vs Qwen3.8 Max Preview

Compare DeepSeek V4 Pro from DeepSeek and Qwen3.8 Max Preview 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.

DeepSeekDeepSeek V4 ProQwenQwen3.8 Max Preview
+ Add model · 2/4
DeepSeek logo
DeepSeek V4 Pro
DeepSeek · text → text

(This model currently points to the older 0423 version; if you need to request the latest version, you can choose the model deepseek-v4-pro-0813)DeepSeek-V4 features an ultra-long context of one million characters and achieves leading performance domestically and in the open-source domain in agent capabilities, world knowledge, and reasoning.( Directly requesting deepseek-v4-pro will route you through the official discount channel.)

Input$1.69 /M
Output$3.38 /M
Cache read$0.1403 /M
Details
Qwen logo
Qwen3.8 Max Preview
Qwen · text, image → text

Qwen 3.8 Max Preview(Qwen3.8-Max-Preview) is the latest-generation foundation model in the Qwen family, packing 2.4T parameters and still evolving. Compared with the previous flagship Qwen 3.7 Max, it delivers major gains in core capabilities like Coding and Cowork (professional productivity), with world-leading performance on complex, long-horizon tasks such as full-stack development, data analysis, and Office workflows. Launch offer: Credits are consumed at just 20% of the standard rate, effectively 5× your usage. Limited time only.

Input$0.338 /M
Output$1.014 /M
Cache read$0.0338 /M
Details

Pricing & Specifications

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

DeepSeek V4 Pro
Qwen3.8 Max Preview
Input /M
$1.69
$0.338
Output /M
$3.38
$1.014
Cache read /M
$0.1403
$0.0338
Context length
1,000,000
983,616
Max output
384,000
131,072
Time to First Token
2.1 s
2.4 s
Throughput
44.5 tok/s
48.1 tok/s
Modalities
text
textimage
Supported Parameters
toolsfunction callingstructured outputsthinking
toolsfunction callingstructured outputsweblong contextthinking
API Formats
Released
April 24, 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.

deepseek-v4-proqwen3.8-max-preview

Tokens / day

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Requests / day

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Performance Past 3 Days

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

deepseek-v4-proqwen3.8-max-preview

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
deepseek-v4-proqwen3.8-max-preview
1420146015001540
Overall
14581480
Coding
15021520
Math
14451497
Hard prompts
14801502
Instruction following
14531477
Multi-turn
14761493
Creative writing
14441466
Longer query
14721492
Chinese
14941536
English
14671488
WebDev Arena
deepseek-v4-proqwen3.8-max-preview
1420152016201720
Overall
14461670
React
14391679
HTML
14351628
Gaming
14501735
Simulations
14421667
Data analytics
14361615

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.

Qwen3.8 Max Preview
$35.49 /mo
DeepSeek V4 Pro
$152 /mo

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

FAQ

Which is cheaper: DeepSeek V4 Pro, Qwen3.8 Max Preview?

Qwen3.8 Max Preview: $1.014/M output tokens; DeepSeek V4 Pro: $3.38/M. Use the cost calculator above to estimate your own workload.

How do their coding arena scores compare?

Qwen3.8 Max Preview: 1520; DeepSeek V4 Pro: 1502 (LMArena coding leaderboard).

Which responds faster?

DeepSeek V4 Pro: 2.1s 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?

DeepSeek V4 Pro accepts 1,000,000 and Qwen3.8 Max Preview accepts 983,616 input tokens. Maximum output per request is 384,000 tokens on DeepSeek V4 Pro and 131,072 tokens on Qwen3.8 Max Preview.

Which one generates tokens faster?

Qwen3.8 Max Preview at 48.1 tok/s and DeepSeek V4 Pro at 44.5 tok/s, measured as output throughput on AIHubMix — a separate metric from time to first token.

What inputs and capabilities does each model support?

DeepSeek V4 Pro accepts text input and supports tool calling, function calling, structured outputs and thinking; Qwen3.8 Max Preview accepts text and image input and supports tool calling, function calling, structured outputs, web search, long context and thinking.

Can I call DeepSeek V4 Pro and Qwen3.8 Max 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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