Model Comparison
Qwen3.7 Max
vs. Step 3.5 Flash 2603
Qwen3.7 Max has not been available at LLMBase since 26 October 2026. Open alternative: Qwen3.8 27B →
Comparing 2 AI models · 0 benchmarks · Alibaba, StepFun
Recommended Pick
AlQwen3.7 Max3 metric winsStrongest on: Throughput, TTFT, Latency
Lowest Price
Step 3.5 Flash 2603
$0.10/1M input price
Differences That Matter
Price gap
Step 3.5 Flash 2603 is 25x cheaper on input tokens than Qwen3.7 Max.
Speed gap
Qwen3.7 Max generates about 1.3x as many tokens per second as Step 3.5 Flash 2603.
Top-pick rationale
Qwen3.7 Max 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.
Qwen3.7 Max
Alibaba
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Step 3.5 Flash 2603
StepFun
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Which answer was more useful?
EU-hosted open models, one API
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Full Comparison
| Metric | Top Pick Al Qwen3.7 Max | St Step 3.5 Flash 2603 |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $2.50/1M | $0.10/1M |
| Output Cost | $7.50/1M | $0.30/1M |
| Blended (3:1) | $3.75/1M | $0.15/1M |
| Specifications | ||
| Organization | Alibaba | StepFun |
| Release Date | May 19, 2026 | Apr 2, 2026 |
| Performance & Speed | ||
| Throughput | 200.1 tok/s | 158.1 tok/s |
| TTFT | 2200ms | 3450ms |
| Latency | 14240ms | 16100ms |
Key Takeaways
Step 3.5 Flash 2603 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
Qwen3.7 Max
- General-purpose AI
- Versatile applications
Step 3.5 Flash 2603
- Cost-sensitive applications
- High-volume processing
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