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Text model

Step-3.5 Flash

stepfun/step-3.5-flash

stepfun/step-3.5-flash is a language model from StepFun you can call on the OceanToken API at $0.10 per 1M input tokens and $0.30 per 1M output tokens, with a 262K-token context window and up to 66K output tokens; it supports reasoning, tool calling.

At a glance

Model IDstepfun/step-3.5-flash
TypeText
PublisherStepFun
Context window262,144 tokens
Max output65,536 tokens
Input price$0.10 per 1M tokens
Output price$0.30 per 1M tokens
Capabilitiesreasoning, tool calling
Endpoint/v1/chat/completions, /v1/responses
API shapeOpenAI-compatible
In the catalog since2026-01-29

Call it

Base URL https://api.oceantoken.ai/v1, your OceanToken key as the bearer token, and the model ID above as model. The OpenAI SDKs work unchanged; see your first request.

curl https://api.oceantoken.ai/v1/chat/completions \
  -H "Authorization: Bearer $OCEANTOKEN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "stepfun/step-3.5-flash", "messages": [{"role": "user", "content": "Hello"}]}'

Compared with similar models

Text models on OceanToken closest to stepfun/step-3.5-flash in price. Every price is what you pay, in US dollars, with no platform fee on top.

ModelPublisherContextPrice (per 1M tokens)
Step-3.5 FlashStepFun262,144$0.10 / $0.30
Seed-1.6 Flash
bytedance-seed/seed-1.6-flash		ByteDance Seed262K$0.075 / $0.30
Mistral Small 3.2 24B Instruct
mistralai/mistral-small-3.2-24b-instruct		Mistral AI256K$0.10 / $0.30
Voxtral Small 24B 2507
mistralai/voxtral-small-24b-2507		Mistral AI33K$0.10 / $0.30

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Prices and capabilities on this page were read from the live OceanToken catalog on 2026-10-18 (UTC), when the documentation was built. If a price has changed since, the console's Models page shows the current one.