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Stepfun Ai

Step 3.5 Flash 2603

stepfun-ai/step-3.5-flash-2603 · rates as of · Benchmarks · Plans · Calculator

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

Cheapest input
$0.1
$/MTok · models.dev
Cheapest output
$0.3
$/MTok
Context
256K
tokens
Offers
4
1 source

Offers

Same model, different listings. First-party, router, and aggregator rows stay separate so you can see the spread instead of a single blended number.

SourceProviderInputOutputCache readContext
models.devcheapeststepfun-ai/step-3.5-flash-2603NanoGPT$0.1$0.3$0256K
models.devstep-3.5-flash-2603StepFun (Global)$0.1$0.3$0.02256K
models.devstep-3-5-flash-2603EmpirioLabs AI$0.1$0.3$0.02256K
models.devstep-3.5-flash-2603StepFun (China)$0.1$0.3$0.02256K

Capabilities

  • Reasoning
  • Tool calling
  • Structured output
  • Open weights
  • In: text
  • Out: text
Knowledge cutoff: 2025-01Released: 2026-04-14

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