Step3-VL-10B (Reasoning)

by StepFun

Step3-VL-10B (Reasoning) is a reasoning model from StepFun, released on January 15, 2026. It ranks #101 of 220 models by Intelligence Score with a score of 25.4.

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.

Key specs

ProviderStepFun
Release date2026-01-15
Licenseopen source
Intelligence Score25.4

Quick answers

Is Step3-VL-10B (Reasoning) open source?

Yes. Step3-VL-10B (Reasoning) is an open model released under the open source license.

When was Step3-VL-10B (Reasoning) released?

StepFun released Step3-VL-10B (Reasoning) on January 15, 2026.

How does Step3-VL-10B (Reasoning) compare to Claude Opus 5.5 (Reasoning)?

Step3-VL-10B (Reasoning) scores 25.4 on the Intelligence Score versus 60.5 for Claude Opus 5.5 (Reasoning), the current #1.

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