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Qwen3.8 Max Preview vs Step 2 16K

Compare Qwen3.8 Max Preview from Qwen and Step 2 16K from StepFun 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 PreviewStepFunStep 2 16K
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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

Pricing & Specifications

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

Qwen3.8 Max Preview
Step 2 16K
Input /M
$0.338
$2
Output /M
$1.014
$2
Cache read /M
$0.0338
-
Context length
1,000,000
0
Max output
131,072
0
Time to First Token
2.4 s
-
Throughput
48.1 tok/s
-
Modalities
textimagevideo
Supported Parameters
toolsfunction callingstructured outputsweblong contextthinking
API Formats
Released
July 19, 2026
January 1, 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.

qwen3.8-max-previewstep-2-16k

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.

qwen3.8-max-previewstep-2-16k

Throughput (tok/s)

-

TTFT (s)

-

Uptime (%)

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LMArena Benchmarks

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

Text
qwen3.8-max-previewstep-2-16k
1280136014401520
Overall
13341480
Coding
13721520
Math
13131497
Hard prompts
13381502
Instruction following
13161477
Multi-turn
13071493
Creative writing
13371466
Longer query
13421492
Chinese
13651536
English
13551488

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
Step 2 16K
$150 /mo

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

FAQ

Which is cheaper: Qwen3.8 Max Preview, Step 2 16K?

Qwen3.8 Max Preview: $1.014/M output tokens; Step 2 16K: $2/M. Use the cost calculator above to estimate your own workload.

How do their coding arena scores compare?

Qwen3.8 Max Preview: 1520; Step 2 16K: 1372 (LMArena coding leaderboard).

Can I call Qwen3.8 Max Preview and Step 2 16K 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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