AI model · Stepfun
StepFun: Step 3.5 Flash available
stepfun/step-3.5-flash
StepFun: Step 3.5 Flash costs US$ 0.1 per million input tokens and US$ 0.3 per million output tokens (OpenRouter reference price, verified 2026-11-12).
| Input price (per 1M tokens) | US$ 0.1 |
|---|---|
| Output price (per 1M tokens) | US$ 0.3 |
| Typical request (2,000 tokens in, 500 out) | US$ 0.00035 |
| Context window | 262,144 |
| Max output tokens | 65,536 |
| Announced retirement date | none |
| Knowledge cutoff | — |
| Last verified | 2026-11-12 17:41:15 UTC |
Reference prices from OpenRouter (aggregator); they may differ from the provider's direct pricing.
Frequently asked questions
How much does StepFun: Step 3.5 Flash cost?
StepFun: Step 3.5 Flash costs US$ 0.1 per million input tokens and US$ 0.3 per million output tokens (OpenRouter reference price, verified 2026-11-12).
What is the context window of StepFun: Step 3.5 Flash?
StepFun: Step 3.5 Flash accepts up to 262,144 tokens of context.
Is StepFun: Step 3.5 Flash being retired?
No retirement date has been announced for StepFun: Step 3.5 Flash (checked 2026-11-12).
Other Stepfun models
| Model | Input / 1M | Output / 1M | Context |
|---|---|---|---|
| stepfun/step-5-preview | US$ 1.00 | US$ 2.70 | 1,000,000 |
| stepfun/step-3.7-flash | US$ 0.2 | US$ 1.15 | 262,144 |
Give your AI agent these facts
Vigia is a free MCP server: your coding agent checks versions, breaking changes and vulnerabilities before it writes code. No signup, no API key.
claude mcp add --transport http vigia https://vigia.coredls.cloud/mcp
Add to CursorAdd to VS Code★ Star on GitHub
Any other MCP client
{ "mcpServers": { "vigia": { "url": "https://vigia.coredls.cloud/mcp" } } }Agent skill (SKILL.md): tells the agent when to use Vigia · GitHub Action for pull requests
For agents
GET https://vigia.coredls.cloud/v1/models/stepfun/step-3.5-flash