StepFun Step 3.5 Flash vs Power BI
Which one should you pick? Here's the full breakdown.
StepFun Step 3.5 Flash
StepFun's (China) agent-focused open-weight model -- Step 3.5 Flash launched 2026-02-01. 196B sparse MoE, ~11B active. Benchmarks slightly ahead of DeepSeek V3.2 at over 3x smaller total size. Step 3 (321B / 38B active, Apache 2.0) and Step3-VL-10B multimodal also in the family
Power BI
Microsoft's BI workhorse now has Copilot baked in -- ask questions in English, get dashboards back
| Category | StepFun Step 3.5 Flash | Power BI |
|---|---|---|
| Ease of Use | 6.0 | 6.0 |
| Output Quality | 8.0 | 8.0 |
| Value | 9.0 | 7.0 |
| Features | 8.0 | 9.0 |
| Overall | 7.8 | 7.5 |
Pricing Comparison
| Feature | StepFun Step 3.5 Flash | Power BI |
|---|---|---|
| Free Tier | Yes | Yes |
| Starting Price | $0 | $0 |
Which Should You Pick?
Pick StepFun Step 3.5 Flash if...
- ✓Better value for money (9/10)
Teams building agent systems on Chinese open-weight foundations who want something other than DeepSeek or Qwen, especially if agentic tool-use is the primary workload. Also good for Chinese-market products where StepFun's domestic tuning advantages matter. And for anyone looking to add diversity to their open-weight evaluation matrix beyond the top-3 Chinese labs.
Visit StepFun Step 3.5 FlashPick Power BI if...
- ✓More features (9 vs 8)
Enterprise teams already invested in the Microsoft stack who need serious BI capabilities. The Copilot integration makes it more accessible, but Power BI's real strength is still its depth for trained analysts.
Visit Power BIOur Verdict
StepFun Step 3.5 Flash and Power BI are extremely close overall. Your choice comes down to specific needs -- StepFun Step 3.5 Flash is better for teams building agent systems on chinese open-weight foundations who want something other than deepseek or qwen, especially if agentic tool-use is the primary workload, while Power BI works best for enterprise teams already invested in the microsoft stack who need serious bi capabilities.