Models

Qwen3 Max Preview vs Step 3.7 Flash

Compare Qwen3 Max Preview from Qwen and Step 3.7 Flash 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 Max PreviewStepFunStep 3.7 Flash
Qwen logo
Qwen3 Max Preview
Qwen · text, image → text

Qwen3-Max-Preview is the latest preview model in the Qwen3 series. This version is functionally equivalent to Qwen3-Max-Thinking — simply set extra_body={"enable_thinking": True} to enable the thinking mode. Compared to the Qwen2.5 series, it delivers significant improvements in overall general capabilities, including English–Chinese text understanding, complex instruction following, open-ended reasoning, multilingual processing, and tool-use proficiency. The model also exhibits fewer hallucinations and stronger overall reliability.

Input$0.846 /M
Output$3.384 /M
StepFun logo
Step 3.7 Flash
StepFun · text, image, video → text

step-3.7-flash is stepfun's flagship inference model, designed for high-complexity tasks that require deep reasoning and fast execution. It excels at decomposing multi-step problems, performing tool calls, and maintaining consistency across massive datasets. It is the preferred choice for complex workloads such as long-context agents, advanced software engineering, and end-to-end research automation.

Input$0.22 /M
Output$1.32 /M
Cache read$0.044 /M

Pricing & Specifications

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

Qwen3 Max Preview
Step 3.7 Flash
Input /M
$0.846
$0.22
Output /M
$3.384
$1.32
Cache read /M
-
$0.044
Context length
0
256,000
Max output
0
0
Time to First Token
0.5 s
1.4 s
Throughput
9.2 tok/s
32.6 tok/s
Modalities
textimage
textimagevideo
Supported Parameters
toolsfunction callingstructured outputs
API Formats
Released
January 1, 2025
May 29, 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-max-previewstep-3.7-flash

Tokens / day

-

Requests / day

-

Performance Past 3 Days

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

qwen3-max-previewstep-3.7-flash

Throughput (tok/s)

-

TTFT (s)

-

Uptime (%)

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Cost calculator

Estimate your monthly bill for the same workload on each model.

Step 3.7 Flash
$33.00 /mo
Qwen3 Max Preview
$102 /mo

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

FAQ

Which is cheaper: Qwen3 Max Preview, Step 3.7 Flash?

Step 3.7 Flash: $1.32/M output tokens; Qwen3 Max Preview: $3.384/M. Use the cost calculator above to estimate your own workload.

Which responds faster?

Qwen3 Max Preview: 0.5s time to first token measured on AIHubMix; see the live performance charts above for how each model behaves across the day.

Which one generates tokens faster?

Step 3.7 Flash at 32.6 tok/s and Qwen3 Max Preview at 9.2 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 Max Preview accepts text and image input and supports tool calling, function calling and structured outputs; Step 3.7 Flash accepts text, image and video input.

Can I call Qwen3 Max Preview and Step 3.7 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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