Step3 VL 10B
StepFunOpen WeightApache 2.0 · Commercial OK
Description
STEP3-VL-10B is a lightweight open-source foundation model designed to redefine the trade-off between compact efficiency and frontier-level multimodal intelligence. Built on a unified, fully unfrozen pre-training strategy on 1.2T multimodal tokens integrating a language-aligned Perception Encoder with a Qwen3-8B decoder. Features Parallel Coordinated Reasoning (PaCoRe) to scale test-time compute for complex perceptual reasoning.
Release Date
2026-01-20
Parameters
10.0B
Context Length
—
Modalities
—
Capability Radar
14
general
17
coding
69
reasoning
44
scienceest.
0
agents
85
multimodal
Science uses a reasoning proxy when dedicated science benchmarks are unavailable.
Rankings
| Domain | #Rank | Score | Source |
|---|---|---|---|
| Code Ranking | 393 | 14.0 | AA |
| General Ranking | 386 | 27.0 | AA |
| Multimodal Ranking | 7 | 92.0 | LS |
| Science | 192 | 48.0 | AA |
Benchmark Scores (LLM Stats)
Communication
Multi-Challenge
62.6%SR
General
MMMU
78.1%SR
Math
AIME 2025
87.7%SR
MathVista
84.0%SR
MathVision
70.8%SR
Multimodal
MMBench
91.8%SR
AA Evaluation Indices
Intelligence Index15.4
Coding Index13.9
Gpqa0.7
Ifbench0.5
Scicode0.3
Tau20.2
Hle0.1
Terminalbench Hard0.1
Lcr0.0
LLM Stats Category Scores
Vision80
General80
Healthcare80
Math80
Multimodal80
Reasoning80
Communication60
Pricing
Input PriceFree
Output PriceFree
Blended Price (3:1)Free
Speed
Tokens/sec0.0 tokens/s
Time to First Token0.00s
Time to Answer0.00s
Available Providers
(LS internal units)No provider data available