Model Comparison
Qwen3 Next 80B A3B Instruct
vs. Step 3.5 Flash 2603
Comparing 2 AI models · 0 benchmarks · Alibaba, StepFun
Recommended Pick
AlQwen3 Next 80B A3B Instruct3 metric winsStrongest on: Throughput, TTFT, Latency
Lowest Price
Qwen3 Next 80B A3B Instruct
$0.10/1M input price
Differences That Matter
Top-pick rationale
Qwen3 Next 80B A3B Instruct wins 3 measurable categories, including Throughput, TTFT, Latency.
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
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tok/s
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Tokens
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Cost
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Step 3.5 Flash 2603
StepFun
TTFT
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Time
—
tok/s
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Tokens
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Cost
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Which answer was more useful?
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Full Comparison
| Metric | Top Pick Al Qwen3 Next 80B A3B Instruct | 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 | 165.9 tok/s | 165.9 tok/s |
| TTFT | 840ms | 3320ms |
| Latency | 840ms | 15370ms |
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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