Model Comparison

Qwen3.8-Flash-Next
vs. Step 5 Preview

Comparing 2 AI models · 0 benchmarks · Alibaba, StepFun

Recommended Pick

Step 5 Preview3 metric wins

Strongest on: Throughput, TTFT, Latency

Lowest Price

Qwen3.8-Flash-Next

$0.15/1M input price

Differences That Matter

Price gap

Qwen3.8-Flash-Next is 6.7x cheaper on input tokens than Step 5 Preview.

Speed gap

Step 5 Preview generates about 1.7x as many tokens per second as Qwen3.8-Flash-Next.

Top-pick rationale

Step 5 Preview wins 3 measurable categories, including Throughput, TTFT, Latency.

Live compare

Response Face-Off

Run one prompt through the selected models and compare response quality with live speed and cost context.

10 comparisons left in 24h

Qwen3.8-Flash-Next

Alibaba

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Step 5 Preview

StepFun

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Which answer was more useful?

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Full Comparison

Metric	Al Qwen3.8-Flash-Next Alibaba	Top Pick St Step 5 Preview StepFun
Pricing per 1M tokens
Input Cost	$0.15/1M	$1.00/1M
Output Cost	$0.47/1M	$2.70/1M
Blended (3:1)	$0.23/1M	$1.43/1M
Specifications
Organization	Alibaba	StepFun
Release Date	Aug 26, 2026	Sep 18, 2026
Performance & Speed
Throughput	97.6 tok/s	167.7 tok/s
TTFT	1970ms	940ms
Latency	22460ms	12860ms
Composite Indices
Value Score	—	100.0
Reasoning Score	—	28.5
Intelligence	—	28.5