[Partner Nodes] add OpenRouter LLM node (#14007)

* [Partner Nodes] add reasoning widget to Anthropic node

Signed-off-by: bigcat88 <bigcat88@icloud.com>

* [Partner Nodes] add new OpenRouterLLM node

Signed-off-by: bigcat88 <bigcat88@icloud.com>

* [Partner Nodes] fix passing images to Grok LLM

Signed-off-by: bigcat88 <bigcat88@icloud.com>

---------

Signed-off-by: bigcat88 <bigcat88@icloud.com>

comfy_api_nodes/apis/anthropic.py

@@ -35,6 +35,19 @@ class AnthropicMessage(BaseModel):
     content: list[AnthropicTextContent | AnthropicImageContent] = Field(...)
 
 
+class AnthropicThinkingConfig(BaseModel):
+    type: Literal["enabled", "disabled", "adaptive"] = Field(...)
+    budget_tokens: int | None = Field(
+        None, ge=1024,
+        description="Reasoning budget in tokens. Used when type is 'enabled'. Must be less than max_tokens.",
+    )
+
+
+class AnthropicOutputConfig(BaseModel):
+    """Used with `thinking.type='adaptive'` on models like Opus 4.7."""
+    effort: Literal["low", "medium", "high"] | None = Field(None)
+
+
 class AnthropicMessagesRequest(BaseModel):
     model: str = Field(...)
     messages: list[AnthropicMessage] = Field(...)
@@ -44,6 +57,8 @@ class AnthropicMessagesRequest(BaseModel):
     top_p: float | None = Field(None, ge=0.0, le=1.0)
     top_k: int | None = Field(None, ge=0)
     stop_sequences: list[str] | None = Field(None)
+    thinking: AnthropicThinkingConfig | None = Field(None)
+    output_config: AnthropicOutputConfig | None = Field(None)
 
 
 class AnthropicResponseTextBlock(BaseModel):
@@ -51,6 +66,14 @@ class AnthropicResponseTextBlock(BaseModel):
     text: str = Field(...)
 
 
+class AnthropicResponseThinkingBlock(BaseModel):
+    type: Literal["thinking"] = "thinking"
+    thinking: str = Field(...)
+
+
+AnthropicResponseBlock = AnthropicResponseTextBlock | AnthropicResponseThinkingBlock
+
+
 class AnthropicCacheCreationUsage(BaseModel):
     ephemeral_5m_input_tokens: int | None = Field(None)
     ephemeral_1h_input_tokens: int | None = Field(None)
@@ -69,7 +92,7 @@ class AnthropicMessagesResponse(BaseModel):
     type: str | None = Field(None)
     role: str | None = Field(None)
     model: str | None = Field(None)
-    content: list[AnthropicResponseTextBlock] | None = Field(None)
+    content: list[AnthropicResponseBlock] | None = Field(None)
     stop_reason: str | None = Field(None)
     stop_sequence: str | None = Field(None)
     usage: AnthropicMessagesUsage | None = Field(None)

comfy_api_nodes/apis/openrouter.py

@@ -0,0 +1,93 @@
+"""Pydantic models for the OpenRouter chat completions API.
+
+See: https://openrouter.ai/docs/api/api-reference/chat/send-chat-completion-request
+"""
+
+from typing import Literal
+
+from pydantic import BaseModel, Field
+
+
+class OpenRouterTextContent(BaseModel):
+    type: Literal["text"] = "text"
+    text: str = Field(...)
+
+
+class OpenRouterImageUrl(BaseModel):
+    url: str = Field(...)
+
+
+class OpenRouterImageContent(BaseModel):
+    type: Literal["image_url"] = "image_url"
+    image_url: OpenRouterImageUrl = Field(...)
+
+
+class OpenRouterVideoUrl(BaseModel):
+    url: str = Field(...)
+
+
+class OpenRouterVideoContent(BaseModel):
+    type: Literal["video_url"] = "video_url"
+    video_url: OpenRouterVideoUrl = Field(...)
+
+
+OpenRouterContentBlock = OpenRouterTextContent | OpenRouterImageContent | OpenRouterVideoContent
+
+
+class OpenRouterMessage(BaseModel):
+    role: Literal["system", "user", "assistant"] = Field(...)
+    content: str | list[OpenRouterContentBlock] = Field(...)
+
+
+class OpenRouterReasoningConfig(BaseModel):
+    effort: str | None = Field(None)
+    exclude: bool | None = Field(None, description="If true, model reasons but reasoning is excluded from response.")
+
+
+class OpenRouterWebSearchOptions(BaseModel):
+    search_context_size: str | None = Field(None)
+
+
+class OpenRouterChatRequest(BaseModel):
+    model: str = Field(...)
+    messages: list[OpenRouterMessage] = Field(...)
+    seed: int | None = Field(None)
+    reasoning: OpenRouterReasoningConfig | None = Field(None)
+    web_search_options: OpenRouterWebSearchOptions | None = Field(None)
+    stream: bool = Field(False)
+
+
+class OpenRouterUsage(BaseModel):
+    prompt_tokens: int | None = Field(None)
+    completion_tokens: int | None = Field(None)
+    total_tokens: int | None = Field(None)
+    cost: float | None = Field(None, description="Server-side authoritative USD cost of the call.")
+
+
+class OpenRouterResponseMessage(BaseModel):
+    role: str | None = Field(None)
+    content: str | None = Field(None)
+    reasoning: str | None = Field(None)
+    refusal: str | None = Field(None)
+
+
+class OpenRouterChoice(BaseModel):
+    index: int | None = Field(None)
+    message: OpenRouterResponseMessage | None = Field(None)
+    finish_reason: str | None = Field(None)
+
+
+class OpenRouterError(BaseModel):
+    code: int | str | None = Field(None)
+    message: str | None = Field(None)
+    metadata: dict | None = Field(None)
+
+
+class OpenRouterChatResponse(BaseModel):
+    id: str | None = Field(None)
+    model: str | None = Field(None)
+    object: str | None = Field(None)
+    provider: str | None = Field(None)
+    choices: list[OpenRouterChoice] | None = Field(None)
+    usage: OpenRouterUsage | None = Field(None)
+    error: OpenRouterError | None = Field(None)