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feat(llm-bridge): add x.ai provider (#927)
add [x.ai](https://x.ai) support - docs: https://docs.x.ai/api#introduction > [!CAUTION] > Function calling is currently not working due to an API bug. `/chat/completions` endpoint works, but the function calling feature is still affected by the x.ai API error. [Official Docs](https://docs.x.ai/docs/guides#function-calling) state that the `finish_reason` should be `tool_calls`, but API returns `stop`, this breaks the system.  We will fix it as soon as x.ai resolves the API bug.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -44,3 +44,7 @@ bridge: | |
| anthropic: | ||
| api_key: | ||
| model: | ||
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| xai: | ||
| api_key: | ||
| model: | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| // Package xai is the x.ai provider | ||
| package xai | ||
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| import ( | ||
| "context" | ||
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| _ "github.com/joho/godotenv/autoload" | ||
| "github.com/sashabaranov/go-openai" | ||
| "github.com/yomorun/yomo/core/metadata" | ||
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| provider "github.com/yomorun/yomo/pkg/bridge/ai/provider" | ||
| ) | ||
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| const BaseURL = "https://api.x.ai/v1" | ||
| const DefaultModel = "grok-beta" | ||
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| // check if implements ai.Provider | ||
| var _ provider.LLMProvider = &Provider{} | ||
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| // Provider is the provider for x.ai | ||
| type Provider struct { | ||
| // APIKey is the API key for x.ai | ||
| APIKey string | ||
| // Model is the model for x.ai | ||
| // eg. "grok-beta" | ||
| Model string | ||
| client *openai.Client | ||
| } | ||
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| // NewProvider creates a new x.ai ai provider | ||
| func NewProvider(apiKey string, model string) *Provider { | ||
| if model == "" { | ||
| model = DefaultModel | ||
| } | ||
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| c := openai.DefaultConfig(apiKey) | ||
| c.BaseURL = BaseURL | ||
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| return &Provider{ | ||
| APIKey: apiKey, | ||
| Model: model, | ||
| client: openai.NewClientWithConfig(c), | ||
| } | ||
| } | ||
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| // Name returns the name of the provider | ||
| func (p *Provider) Name() string { | ||
| return "xai" | ||
| } | ||
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| // GetChatCompletions implements ai.LLMProvider. | ||
| func (p *Provider) GetChatCompletions(ctx context.Context, req openai.ChatCompletionRequest, _ metadata.M) (openai.ChatCompletionResponse, error) { | ||
| if req.Model == "" { | ||
| req.Model = p.Model | ||
| } | ||
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| return p.client.CreateChatCompletion(ctx, req) | ||
| } | ||
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| // GetChatCompletionsStream implements ai.LLMProvider. | ||
| func (p *Provider) GetChatCompletionsStream(ctx context.Context, req openai.ChatCompletionRequest, _ metadata.M) (provider.ResponseRecver, error) { | ||
| if req.Model == "" { | ||
| req.Model = p.Model | ||
| } | ||
| // it does not support streaming calls when tools are present | ||
| return p.client.CreateChatCompletionStream(ctx, req) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,54 @@ | ||
| package xai | ||
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| import ( | ||
| "context" | ||
| "testing" | ||
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| "github.com/sashabaranov/go-openai" | ||
| "github.com/stretchr/testify/assert" | ||
| ) | ||
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| func TestXAIProvider_Name(t *testing.T) { | ||
| provider := &Provider{} | ||
| name := provider.Name() | ||
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| assert.Equal(t, "xai", name) | ||
| } | ||
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| func TestXAIProvider_GetChatCompletions(t *testing.T) { | ||
| provider := NewProvider("", "") | ||
| msgs := []openai.ChatCompletionMessage{ | ||
| { | ||
| Role: "user", | ||
| Content: "hello", | ||
| }, | ||
| { | ||
| Role: "system", | ||
| Content: "I'm a bot", | ||
| }, | ||
| } | ||
| req := openai.ChatCompletionRequest{ | ||
| Messages: msgs, | ||
| Model: "groq-beta", | ||
| } | ||
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| _, err := provider.GetChatCompletions(context.TODO(), req, nil) | ||
| assert.Error(t, err) | ||
| t.Log(err) | ||
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| _, err = provider.GetChatCompletionsStream(context.TODO(), req, nil) | ||
| assert.Error(t, err) | ||
| t.Log(err) | ||
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| req = openai.ChatCompletionRequest{ | ||
| Messages: msgs, | ||
| } | ||
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| _, err = provider.GetChatCompletions(context.TODO(), req, nil) | ||
| assert.Error(t, err) | ||
| t.Log(err) | ||
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| _, err = provider.GetChatCompletionsStream(context.TODO(), req, nil) | ||
| assert.Error(t, err) | ||
| t.Log(err) | ||
| } |