Step 3.5 Flash
Step 3.5 Flash is a LLM model.
StepFun flash model for efficient multimodal reasoning, coding, and tool use
Vision
Audio
Tool Use
Reasoning
Citations
Key Specs
Context
262k
Max Output
256k
Best Price (Input / Output)
Chat with Model
$0.10 / $0.30 per 1M tokens
Pricing Comparison
| Provider | Input (1M) | Output (1M) | Image (1k) |
|---|---|---|---|
| nvidia | Free | Free | - |
| openrouter | $0.10 | $0.30 | - |
| stepfun | $0.10 | $0.30 | - |
| zenmux | $0.10 | $0.30 | - |
Prices are per 1 million tokens unless otherwise noted. Image pricing is per 1000 images if applicable.
Price History
Prompt Price
Completion Price
Price trend per 1 million tokens over time.
Supported Parameters
frequency_penalty
reasoning
tool_choice
include_reasoning
temperature
top_k
top_p
tools
max_tokens