StepFunReleased on Jan 15, 2026

Step3-VL-10B: API Pricing, Context Window & Benchmarks

Step3-VL-10B is a language model from StepFun, released in January 2026, with multimodal input.

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

Step3-VL-10B benchmarks

Rankings

Quality Tracker

Step3-VL-10B Performance Across Datasets

Scores sourced from the model's scorecard, paper, or official blog posts

LLM Stats Logollm-stats.com - Tue Jul 21 2026
Notice missing or incorrect data?

Step3-VL-10B model size

Step3-VL-10B has 10 billion parameters and was trained on 1.2 trillion tokens. See how it compares to other models in the same parameter range.

ParametersTraining tokens
10B
1.2Ttokens
120× tokens-to-params ratio
Medium (10–30B)
10B
1B7B70B405B

Step3-VL-10B API

Available from the model provider

Step3-VL-10B has an official provider API. It is not currently routed through the LLM Stats gateway.

Read the official API documentation

Step3-VL-10B latency

Step3-VL-10B time to first token, sustained output throughput, and failed-request rate from live API traffic over the trailing 7 days.

Step3-VL-10B examples

Recent arena outputs from Step3-VL-10B, picked from the highest-ranked matchups.

Step3-VL-10B license

Step3-VL-10B is released under the Apache 2.0 license, which permits commercial use, has 10.0B parameters.

License
Apache 2.0
Commercial use allowed
Parameters
10.0B

Apache License 2.0 - allows commercial use

Step3-VL-10B resources

Official sources for Step3-VL-10B: api documentation, paper or system card, source repository, model weights.

Step3-VL-10B vs other models

The most-compared alternatives to Step3-VL-10B are Grok-3, Kimi-k1.5, Claude Sonnet 4.5. Open any pair side-by-side for benchmarks, pricing, context, and latency.

Models like Step3-VL-10B

Models ranked just above and below Step3-VL-10B by LLM Stats score.

 

Grok-3

Score pending
DetailsCompare
 

Kimi-k1.5

Score pending
DetailsCompare
 

Claude Sonnet 4.5

Score pending
DetailsCompare
 

Qwen3 VL 32B Thinking

Score pending
DetailsCompare
 

o1

Score pending
DetailsCompare
 

Gemini 2.5 Pro

Score pending
DetailsCompare

FAQ

Common questions about Step3-VL-10B.

When was Step3-VL-10B released?

Step3-VL-10B was released on January 15, 2026 by StepFun. This is the official Step3-VL-10B release date tracked on LLM Stats.

Is Step3-VL-10B available via API?

Yes, Step3-VL-10B is available via API. See the official documentation for authentication and endpoint details.

How big is Step3-VL-10B?

Step3-VL-10B has 10 billion parameters. It was trained on 1.2 trillion tokens. It ships as an open-weight model, so you can download and run it on your own hardware.

Who created Step3-VL-10B?

Step3-VL-10B was created by StepFun.

What is the license for Step3-VL-10B?

Step3-VL-10B is released under the Apache 2.0 license. This is an open-source / open-weight license that permits self-hosting.

Is Step3-VL-10B multimodal?

Yes, Step3-VL-10B is multimodal and can accept both text and images as input.

Where is the Step3-VL-10B paper or technical report?

Step3-VL-10B has a paper or technical report available at https://arxiv.org/abs/2601.09668. Use that source for architecture, training, release and evaluation details.

What models should I compare Step3-VL-10B against?

Common Step3-VL-10B comparisons include Step3-VL-10B vs Grok-3, Step3-VL-10B vs Kimi-k1.5, Step3-VL-10B vs Claude Sonnet 4.5. Compare them side by side for benchmark scores, pricing, context window, latency and API availability.