modelgrep

Cheapest StepFun Models

Match · Updated July 2026

The cheapest StepFun model is Step 3.5 Flash at $0.100 per million input tokens. Step 3.7 Flash ($0.200) is next.

$0.100Input /M
26.0Intelligence
262KContext

AI models ranked by input token price. The cheapest LLM APIs and most affordable AI models, from budget open-weight models to discounted frontier models.

  1. 1stepfun logo
    step-3.5-flash
    ReasoningTools26.0 intel · 262K ctx
    $0.100
    Input /M
  2. 2stepfun logo
    step-3.7-flash
    ReasoningToolsJSON+130.3 intel · 262K ctx
    $0.200
    Input /M

Frequently asked

What is the cheapest StepFun model?

The cheapest StepFun model is Step 3.5 Flash at $0.100 per million input tokens. Step 3.7 Flash ($0.200) is next.

What's a good alternative to Step 3.5 Flash?

Step 3.7 Flash ($0.200) is the closest alternative on this metric. See the full ranking above for the tradeoffs.

How many StepFun models are there?

modelgrep tracks 2 StepFun models with live benchmarks, speed, latency and per-provider pricing, led on intelligence by Step 3.7 Flash. 2 of them qualify for this ranking.

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