All AI models · LLM benchmarks · Methodology

Step 2 (16K)

StepFun flash model for efficient multimodal reasoning, coding, and tool use

Model facts

Context window
16K tokens
Maximum output
8K tokens
Cheapest paid input
$5.21 per 1M tokens
Cheapest paid output
$16.44 per 1M tokens
Open weights
no
Providers
2

Capabilities and modalities

tool calling, temperature control, text.

Observed price history

  • 2026-08-24: $5.21 input / $16.44 output per 1M tokens

API providers