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153 lines
4.3 KiB
Markdown
153 lines
4.3 KiB
Markdown
---
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summary: "Use StepFun models with OpenClaw"
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read_when:
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- You want StepFun models in OpenClaw
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- You need StepFun setup guidance
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title: "StepFun"
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---
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# StepFun
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OpenClaw includes a bundled StepFun provider plugin with two provider ids:
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- `stepfun` for the standard endpoint
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- `stepfun-plan` for the Step Plan endpoint
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The built-in catalogs currently differ by surface:
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- Standard: `step-3.5-flash`
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- Step Plan: `step-3.5-flash`, `step-3.5-flash-2603`
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## Region and endpoint overview
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- China standard endpoint: `https://api.stepfun.com/v1`
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- Global standard endpoint: `https://api.stepfun.ai/v1`
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- China Step Plan endpoint: `https://api.stepfun.com/step_plan/v1`
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- Global Step Plan endpoint: `https://api.stepfun.ai/step_plan/v1`
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- Auth env var: `STEPFUN_API_KEY`
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Use a China key with the `.com` endpoints and a global key with the `.ai`
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endpoints.
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## CLI setup
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Interactive setup:
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```bash
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openclaw onboard
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```
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Choose one of these auth choices:
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- `stepfun-standard-api-key-cn`
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- `stepfun-standard-api-key-intl`
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- `stepfun-plan-api-key-cn`
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- `stepfun-plan-api-key-intl`
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Non-interactive examples:
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```bash
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openclaw onboard --auth-choice stepfun-standard-api-key-intl --stepfun-api-key "$STEPFUN_API_KEY"
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openclaw onboard --auth-choice stepfun-plan-api-key-intl --stepfun-api-key "$STEPFUN_API_KEY"
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```
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## Model refs
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- Standard default model: `stepfun/step-3.5-flash`
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- Step Plan default model: `stepfun-plan/step-3.5-flash`
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- Step Plan alternate model: `stepfun-plan/step-3.5-flash-2603`
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## Built-in catalogs
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Standard (`stepfun`):
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| Model ref | Context | Max output | Notes |
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| ------------------------ | ------- | ---------- | ---------------------- |
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| `stepfun/step-3.5-flash` | 262,144 | 65,536 | Default standard model |
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Step Plan (`stepfun-plan`):
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| Model ref | Context | Max output | Notes |
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| ---------------------------------- | ------- | ---------- | -------------------------- |
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| `stepfun-plan/step-3.5-flash` | 262,144 | 65,536 | Default Step Plan model |
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| `stepfun-plan/step-3.5-flash-2603` | 262,144 | 65,536 | Additional Step Plan model |
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## Config snippets
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Standard provider:
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```json5
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{
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env: { STEPFUN_API_KEY: "your-key" },
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agents: { defaults: { model: { primary: "stepfun/step-3.5-flash" } } },
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models: {
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mode: "merge",
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providers: {
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stepfun: {
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baseUrl: "https://api.stepfun.ai/v1",
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api: "openai-completions",
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apiKey: "${STEPFUN_API_KEY}",
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models: [
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{
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id: "step-3.5-flash",
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name: "Step 3.5 Flash",
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reasoning: true,
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input: ["text"],
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cost: { input: 0, output: 0, cacheRead: 0, cacheWrite: 0 },
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contextWindow: 262144,
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maxTokens: 65536,
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},
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],
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},
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},
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},
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}
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```
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Step Plan provider:
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```json5
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{
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env: { STEPFUN_API_KEY: "your-key" },
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agents: { defaults: { model: { primary: "stepfun-plan/step-3.5-flash" } } },
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models: {
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mode: "merge",
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providers: {
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"stepfun-plan": {
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baseUrl: "https://api.stepfun.ai/step_plan/v1",
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api: "openai-completions",
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apiKey: "${STEPFUN_API_KEY}",
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models: [
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{
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id: "step-3.5-flash",
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name: "Step 3.5 Flash",
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reasoning: true,
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input: ["text"],
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cost: { input: 0, output: 0, cacheRead: 0, cacheWrite: 0 },
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contextWindow: 262144,
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maxTokens: 65536,
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},
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{
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id: "step-3.5-flash-2603",
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name: "Step 3.5 Flash 2603",
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reasoning: true,
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input: ["text"],
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cost: { input: 0, output: 0, cacheRead: 0, cacheWrite: 0 },
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contextWindow: 262144,
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maxTokens: 65536,
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},
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],
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},
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},
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},
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}
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```
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## Notes
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- The provider is bundled with OpenClaw, so there is no separate plugin install step.
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- `step-3.5-flash-2603` is currently exposed only on `stepfun-plan`.
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- A single auth flow writes region-matched profiles for both `stepfun` and `stepfun-plan`, so both surfaces can be discovered together.
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- Use `openclaw models list` and `openclaw models set <provider/model>` to inspect or switch models.
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- For the broader provider overview, see [Model providers](/concepts/model-providers).
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