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feat: add StepFun as a dedicated provider #316

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feat: add StepFun as a dedicated provider #316

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47 changes: 47 additions & 0 deletions internal/providers/configs/stepfun.json
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Original file line number Diff line number Diff line change
@@ -0,0 +1,47 @@
{
"name": "StepFun",
"id": "stepfun",
"type": "openai-compat",
"api_key": "$STEPFUN_API_KEY",
"api_endpoint": "https://api.stepfun.com/v1",
"default_large_model_id": "step-3.7-flash",
"default_small_model_id": "step-3.5-flash",
"models": [
{
"id": "step-3.5-flash",
"name": "Step 3.5 Flash",
"cost_per_1m_in": 0.09,
"cost_per_1m_out": 0.3,
"cost_per_1m_in_cached": 0,
"cost_per_1m_out_cached": 0.02,
"context_window": 262144,
"default_max_tokens": 8192,
"can_reason": true,
"reasoning_levels": [
"low",
"medium",
"high"
],
"default_reasoning_effort": "medium",
"supports_attachments": false
},
{
"id": "step-3.7-flash",
"name": "Step 3.7 Flash",
"cost_per_1m_in": 0.2,
"cost_per_1m_out": 1.15,
"cost_per_1m_in_cached": 0,
"cost_per_1m_out_cached": 0.04,
"context_window": 256000,
"default_max_tokens": 128000,
"can_reason": true,
"reasoning_levels": [
"low",
"medium",
"high"
],
"default_reasoning_effort": "medium",
"supports_attachments": true
}
]
}
8 changes: 8 additions & 0 deletions internal/providers/providers.go
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Original file line number Diff line number Diff line change
Expand Up @@ -90,6 +90,9 @@ var qiniuCloudConfig []byte
//go:embed configs/synthetic.json
var syntheticConfig []byte

//go:embed configs/stepfun.json
var stepfunConfig []byte

//go:embed configs/vercel.json
var vercelConfig []byte

Expand Down Expand Up @@ -147,6 +150,7 @@ var providerRegistry = []ProviderFunc{
openCodeZenProvider,
openRouterProvider,
qiniuCloudProvider,
stepfunProvider,
vercelProvider,
veniceProvider,
vertexAIProvider,
Expand Down Expand Up @@ -280,6 +284,10 @@ func syntheticProvider() catwalk.Provider {
return loadProviderFromConfig(syntheticConfig)
}

func stepfunProvider() catwalk.Provider {
return loadProviderFromConfig(stepfunConfig)
}

func vercelProvider() catwalk.Provider {
return loadProviderFromConfig(vercelConfig)
}
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2 changes: 2 additions & 0 deletions pkg/catwalk/provider.go
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Original file line number Diff line number Diff line change
Expand Up @@ -55,6 +55,7 @@ const (
InferenceProviderOpenCodeZen InferenceProvider = "opencode-zen"
InferenceProviderOpenCodeGo InferenceProvider = "opencode-go"
InferenceProviderAlibabaSingapore InferenceProvider = "alibaba-singapore"
InferenceProviderStepFun InferenceProvider = "stepfun"
)

// Provider represents an AI provider configuration.
Expand Down Expand Up @@ -131,6 +132,7 @@ func KnownProviders() []InferenceProvider {
InferenceProviderNeuralwatt,
InferenceProviderOpenCodeZen,
InferenceProviderOpenCodeGo,
InferenceProviderStepFun,
}
}

Expand Down