stepfun
StepFun: Step 3.5 Flash
Step 3.5 Flash is StepFun's most capable open-source foundation model. Built on a sparse Mixture of Experts (MoE) architecture, it selectively activates only 11B of its 196B parameters per token....
Context
262k tokens
Input / 1M tokens
$0.09
Output / 1M tokens
$0.30
Benchmark
—
Pricing
Input tokens$0.09 per 1M tokens
Output tokens$0.30 per 1M tokens
Cache read$0.02 per 1M tokens
Technical details
Model IDstepfun/step-3.5-flash
Context window262k tokens
Input modalitiestext
Output modalitiestext
TokenizerOther
Max output tokens16,384
Use with MegaBrain
import OpenAI from 'openai'
const client = new OpenAI({
baseURL: 'https://getmegabrain.com/api/gateway/v1',
apiKey: process.env.MEGABRAIN_API_KEY,
})
const response = await client.chat.completions.create({
model: 'stepfun/step-3.5-flash',
messages: [{ role: 'user', content: 'Hello!' }],
})Ready to use StepFun: Step 3.5 Flash?
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