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fix(openrouter): use model-specific request modalities for image generation

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Matthias Meister
2026-04-08 07:49:30 +02:00
parent d145cebe75
commit 1bc0611ce3
2 changed files with 84 additions and 1 deletions
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12
convex/openrouter.ts
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@@ -10,8 +10,12 @@ export interface OpenRouterModel {
/** Gleiche Einheit wie UI „Cr“ / lib/ai-models creditCost */
creditCost: number;
minTier: "free" | "starter" | "pro" | "max";
requestModalities?: readonly ("image" | "text")[];
}
const IMAGE_AND_TEXT_MODALITIES = ["image", "text"] as const;
const IMAGE_ONLY_MODALITIES = ["image"] as const;
export const IMAGE_MODELS: Record<string, OpenRouterModel> = {
"google/gemini-2.5-flash-image": {
id: "google/gemini-2.5-flash-image",
@@ -28,6 +32,7 @@ export const IMAGE_MODELS: Record<string, OpenRouterModel> = {
estimatedCostPerImage: 2,
creditCost: 2,
minTier: "free",
requestModalities: IMAGE_ONLY_MODALITIES,
},
"bytedance-seed/seedream-4.5": {
id: "bytedance-seed/seedream-4.5",
@@ -36,6 +41,7 @@ export const IMAGE_MODELS: Record<string, OpenRouterModel> = {
estimatedCostPerImage: 5,
creditCost: 5,
minTier: "free",
requestModalities: IMAGE_ONLY_MODALITIES,
},
"google/gemini-3.1-flash-image-preview": {
id: "google/gemini-3.1-flash-image-preview",
@@ -60,6 +66,7 @@ export const IMAGE_MODELS: Record<string, OpenRouterModel> = {
estimatedCostPerImage: 9,
creditCost: 9,
minTier: "starter",
requestModalities: IMAGE_ONLY_MODALITIES,
},
"sourceful/riverflow-v2-pro": {
id: "sourceful/riverflow-v2-pro",
@@ -68,6 +75,7 @@ export const IMAGE_MODELS: Record<string, OpenRouterModel> = {
estimatedCostPerImage: 12,
creditCost: 12,
minTier: "starter",
requestModalities: IMAGE_ONLY_MODALITIES,
},
"google/gemini-3-pro-image-preview": {
id: "google/gemini-3-pro-image-preview",
@@ -156,6 +164,8 @@ export async function generateImageViaOpenRouter(
params: GenerateImageParams
): Promise<OpenRouterImageResponse> {
const modelId = params.model ?? DEFAULT_IMAGE_MODEL;
const model = IMAGE_MODELS[modelId];
const requestModalities = model?.requestModalities ?? IMAGE_AND_TEXT_MODALITIES;
const requestStartedAt = Date.now();
console.info("[openrouter] request start", {
@@ -188,7 +198,7 @@ export async function generateImageViaOpenRouter(
const body: Record<string, unknown> = {
model: modelId,
modalities: ["image", "text"],
modalities: [...requestModalities],
messages: [userMessage],
};