Multimodal
zenmux
openrouter
Released: Dec 2025 Updated: Feb 2026

Step-3

Step-3 is a Multimodal model.

Vision
Audio
Tool Use
Reasoning
Citations

Key Specs

Context
66k
Max Output
64k
Best Price (Input / Output)
$0.21 / $0.57 per 1M tokens
Chat with Model
Try on OpenRouter

Pricing Comparison

Provider Input (1M) Output (1M) Image (1k)
zenmux $0.21 $0.57 -
openrouter $0.57 $1.42 -

Prices are per 1 million tokens unless otherwise noted. Image pricing is per 1000 images if applicable.