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Qwen3.8 Max Preview vs Solar Pro4

Compare Qwen3.8 Max Preview from Qwen and Solar Pro4 from Upstage on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the AIHubMix API.

QwenQwen3.8 Max PreviewUpstageSolar Pro4
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Qwen logo
Qwen3.8 Max Preview
Qwen · text, image, video → 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
75% off
Upstage logo
Solar Pro4
Upstage · text → text

Input$0.3$0.075 /M
Output$1.2$0.3 /M
Cache read$0.06$0.015 /M
Details

Pricing & Specifications

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

Qwen3.8 Max Preview
Solar Pro4
Input /M
$0.338
$0.3$0.075−75%
Output /M
$1.014
$1.2$0.3−75%
Cache read /M
$0.0338
$0.06$0.015−75%
Context length
1,000,000
524,288
Max output
131,072
131,072
Time to First Token
2.4 s
0.6 s
Throughput
48.1 tok/s
5.1 tok/s
Modalities
textimagevideo
text
Supported Parameters
toolsfunction callingstructured outputsweblong contextthinking
long context
API Formats
Released
July 19, 2026
August 6, 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.

qwen3.8-max-previewsolar-pro4

Tokens / day

-

Requests / day

-

Performance Past 3 Days

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

qwen3.8-max-previewsolar-pro4

Throughput (tok/s)

-

TTFT (s)

-

Uptime (%)

-

LMArena Benchmarks

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

Text
qwen3.8-max-previewsolar-pro4
12601320138014401500
Overall
13771482
Coding
14471447
Hard prompts
14051405
Instruction following
13621362
Multi-turn
13931393
Creative writing
12881288
Longer query
13831383
English
14081408
WebDev Arena
qwen3.8-max-previewsolar-pro4
1340144015401640
Overall
13711672
React
13571357
HTML
13941394
Gaming
13561356
Simulations
13861386
Data analytics
13581358

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.

Solar Pro4
$36$9.00 /mo
Qwen3.8 Max Preview
$35.49 /mo

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

FAQ

Which is cheaper: Qwen3.8 Max Preview, Solar Pro4?

Solar Pro4: $0.3/M output tokens; Qwen3.8 Max Preview: $1.014/M. Use the cost calculator above to estimate your own workload.

Which responds faster?

Solar Pro4: 0.6s 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?

Qwen3.8 Max Preview accepts 1,000,000 and Solar Pro4 accepts 524,288 input tokens. Maximum output per request is 131,072 tokens on Qwen3.8 Max Preview and 131,072 tokens on Solar Pro4.

Which one generates tokens faster?

Qwen3.8 Max Preview at 48.1 tok/s and Solar Pro4 at 5.1 tok/s, measured as output throughput on AIHubMix — a separate metric from time to first token.

What inputs and capabilities does each model support?

Qwen3.8 Max Preview accepts text, image and video input and supports tool calling, function calling, structured outputs, web search, long context and thinking; Solar Pro4 accepts text input and supports long context.

Can I call Qwen3.8 Max Preview and Solar Pro4 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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