Active Parameters
198B (Estimated)
Context Length
Undisclosed
Modality
Text
Architecture
Mixture of Experts (MoE)
License
Proprietary
Release Date
28 May 2026
Knowledge Cutoff
-
API Pricing (per 1M)
Input: $0.20 · Output: $1.15
Rank
#126
| Benchmark | Score | Rank |
|---|---|---|
Agentic Index | 0.22 | 82 |
Coding Index | 0.40 | 112 |
Intelligence Index | 0.20 | 163 |
Overall Rank
#126
Coding Rank
#96
StepFun's high-speed specialized model released May 28, 2026, engineered for rapid real-time multilingual tasks, low-latency agent coordination, and fast conversational inference. Optimized for speed-first deployments where sub-second response times and broad language coverage are paramount, Step 3.7 Flash serves as a lightweight backbone for multilingual pipelines, real-time translation workflows, and latency-sensitive multi-agent coordination tasks.
Architecture specifications are undisclosed for proprietary models.
StepFun's Step 3.7 generation focuses on high-speed, specialized inference for real-time multilingual tasks, rapid agent coordination, and low-latency conversational applications. The Flash tier is optimized for speed-first deployments where rapid response time and multilingual versatility are the primary requirements.
Assistant
Online