AI Lab
StepFun AI Models
AI IQ tracks 1 StepFun model, from the lab's home base in China. Step 3.7 Flash is the lab's highest-scoring model with an estimated IQ of 104, #105 on the overall leaderboard. Every tracked model ships open weights.
Models Tracked
1
Best IQ
104
Best IQ Rank
#105
Open Weights
1/1
Latest Generation
The newest release in each StepFun model line
Every Tracked StepFun Model
Latest = current-generation release
| Model | Released | IQ | IQ Rank | Effective Cost | Context | Weights |
|---|---|---|---|---|---|---|
| Step 3.7 FlashLatest | 2026-05-28 | 104 | #105 | $1.3400 | 262K | Open · API pricing |
Compare Step 3.7 Flash
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