Model Comparison
Qwen3 Next 80B A3B Instruct
vs. Step 3.5 Flash 2603
Comparing 2 AI models · 0 benchmarks · Alibaba, StepFun
Recommended Pick
StStep 3.5 Flash 26033 metric winsStrongest on: Output price, Blended price, Throughput
Lowest Price
Qwen3 Next 80B A3B Instruct
$0.10/1M input price
Differences That Matter
Top-pick rationale
Step 3.5 Flash 2603 wins 3 measurable categories, including Output price, Blended price, Throughput.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Qwen3 Next 80B A3B Instruct
Alibaba
TTFT
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Time
—
tok/s
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Tokens
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Cost
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Step 3.5 Flash 2603
StepFun
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Which answer was more useful?
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Chat with EU-Hosted Models like Deepseek, Qwen & Kimi: open-weight, transparent, no lock-in.
EU-hosted open models, one API
Servers in Germany & Finland. Operated by a German company under the GDPR, DPA available, ISO 27001-certified data centres.
Full Comparison
| Metric | Al Qwen3 Next 80B A3B Instruct | Top Pick St Step 3.5 Flash 2603 |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.10/1M | $0.10/1M |
| Output Cost | $1.10/1M | $0.30/1M |
| Blended (3:1) | $0.35/1M | $0.15/1M |
| Specifications | ||
| Organization | Alibaba | StepFun |
| Release Date | Sep 11, 2025 | Apr 2, 2026 |
| Performance & Speed | ||
| Throughput | 163.3 tok/s | 165.9 tok/s |
| TTFT | 830ms | 3240ms |
| Latency | 830ms | 15290ms |
Key Takeaways
Qwen3 Next 80B A3B Instruct offers the best value at $0.10/1M,making it ideal for high-volume applications and cost-conscious projects.
All models support context windows of ∞+ tokens,suitable for processing lengthy documents and maintaining extended conversations.
When to Choose Each Model
Qwen3 Next 80B A3B Instruct
- Cost-sensitive applications
- High-volume processing
Step 3.5 Flash 2603
- General-purpose AI
- Versatile applications
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