OpenRouter supported model parameters

Author: cte

src/api/providers/fetchers/__tests__/fixtures/openrouter-model-endpoints.json

@@ -6,16 +6,16 @@
 		"body": "",
 		"status": 200,
 		"response": [
-			"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"
+			"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"
 		],
 		"rawHeaders": {
 			"access-control-allow-origin": "*",
 			"cache-control": "s-maxage=300, stale-while-revalidate=600",
-			"cf-ray": "93ed496b8e0a0fb1-LAX",
+			"cf-ray": "943f41a4ed11a1a2-LAX",
 			"connection": "close",
 			"content-encoding": "br",
 			"content-type": "application/json",
-			"date": "Mon, 12 May 2025 22:17:32 GMT",
+			"date": "Thu, 22 May 2025 21:02:46 GMT",
 			"server": "cloudflare",
 			"transfer-encoding": "chunked",
 			"vary": "Accept-Encoding"

src/api/providers/fetchers/__tests__/fixtures/openrouter-models.json

@@ -1,6 +1,6 @@
-// npx jest src/api/providers/fetchers/__tests__/openrouter.test.ts
+// npx jest api/providers/fetchers/__tests__/fetchers.test.ts
 
-import path from "path"
+import * as path from "path"
 
 import { back as nockBack } from "nock"
 
@@ -39,6 +39,77 @@ describe.skip("OpenRouter API", () => {
 				"anthropic/claude-3.7-sonnet:thinking",
 			])
 
+			expect(
+				Object.entries(models)
+					.filter(([_, model]) => model.thinking)
+					.map(([id, _]) => id)
+					.sort(),
+			).toEqual(["anthropic/claude-3.7-sonnet:thinking"])
+
+			expect(
+				Object.entries(models)
+					.filter(([_, model]) => model.supportedParameters?.includes("reasoning"))
+					.map(([id, _]) => id)
+					.sort(),
+			).toEqual([
+				"agentica-org/deepcoder-14b-preview:free",
+				"aion-labs/aion-1.0",
+				"aion-labs/aion-1.0-mini",
+				"anthropic/claude-3.7-sonnet",
+				"anthropic/claude-3.7-sonnet:beta",
+				"anthropic/claude-3.7-sonnet:thinking",
+				"anthropic/claude-opus-4",
+				"anthropic/claude-sonnet-4",
+				"arliai/qwq-32b-arliai-rpr-v1:free",
+				"cognitivecomputations/dolphin3.0-r1-mistral-24b:free",
+				"deepseek/deepseek-r1",
+				"deepseek/deepseek-r1-distill-llama-70b",
+				"deepseek/deepseek-r1-distill-llama-70b:free",
+				"deepseek/deepseek-r1-distill-llama-8b",
+				"deepseek/deepseek-r1-distill-qwen-1.5b",
+				"deepseek/deepseek-r1-distill-qwen-14b",
+				"deepseek/deepseek-r1-distill-qwen-14b:free",
+				"deepseek/deepseek-r1-distill-qwen-32b",
+				"deepseek/deepseek-r1-distill-qwen-32b:free",
+				"deepseek/deepseek-r1-zero:free",
+				"deepseek/deepseek-r1:free",
+				"google/gemini-2.5-flash-preview-05-20",
+				"google/gemini-2.5-flash-preview-05-20:thinking",
+				"microsoft/mai-ds-r1:free",
+				"microsoft/phi-4-reasoning-plus",
+				"microsoft/phi-4-reasoning-plus:free",
+				"microsoft/phi-4-reasoning:free",
+				"moonshotai/kimi-vl-a3b-thinking:free",
+				"nousresearch/deephermes-3-mistral-24b-preview:free",
+				"open-r1/olympiccoder-32b:free",
+				"openai/codex-mini",
+				"openai/o1-pro",
+				"perplexity/r1-1776",
+				"perplexity/sonar-deep-research",
+				"perplexity/sonar-reasoning",
+				"perplexity/sonar-reasoning-pro",
+				"qwen/qwen3-14b",
+				"qwen/qwen3-14b:free",
+				"qwen/qwen3-235b-a22b",
+				"qwen/qwen3-235b-a22b:free",
+				"qwen/qwen3-30b-a3b",
+				"qwen/qwen3-30b-a3b:free",
+				"qwen/qwen3-32b",
+				"qwen/qwen3-32b:free",
+				"qwen/qwen3-4b:free",
+				"qwen/qwen3-8b",
+				"qwen/qwen3-8b:free",
+				"qwen/qwq-32b",
+				"qwen/qwq-32b:free",
+				"rekaai/reka-flash-3:free",
+				"thudm/glm-z1-32b",
+				"thudm/glm-z1-32b:free",
+				"thudm/glm-z1-9b:free",
+				"thudm/glm-z1-rumination-32b",
+				"tngtech/deepseek-r1t-chimera:free",
+				"x-ai/grok-3-mini-beta",
+			])
+
 			expect(models["anthropic/claude-3.7-sonnet"]).toEqual({
 				maxTokens: 8192,
 				contextWindow: 200000,
@@ -51,6 +122,7 @@ describe.skip("OpenRouter API", () => {
 				description: expect.any(String),
 				thinking: false,
 				supportsComputerUse: true,
+				supportedParameters: ["max_tokens", "temperature", "reasoning", "include_reasoning"],
 			})
 
 			expect(models["anthropic/claude-3.7-sonnet:thinking"]).toEqual({
@@ -65,6 +137,7 @@ describe.skip("OpenRouter API", () => {
 				description: expect.any(String),
 				thinking: true,
 				supportsComputerUse: true,
+				supportedParameters: ["max_tokens", "temperature", "reasoning", "include_reasoning"],
 			})
 
 			const anthropicModels = Object.entries(models)

src/api/providers/fetchers/__tests__/openrouter.test.ts

@@ -1,6 +1,7 @@
 import axios from "axios"
 import { z } from "zod"
 
+import { isModelParameter } from "../../../schemas"
 import { ApiHandlerOptions, ModelInfo, anthropicModels, COMPUTER_USE_MODELS } from "../../../shared/api"
 import { parseApiPrice } from "../../../utils/cost"
 
@@ -38,6 +39,7 @@ export const openRouterModelSchema = modelRouterBaseModelSchema.extend({
 	id: z.string(),
 	architecture: openRouterArchitectureSchema.optional(),
 	top_provider: z.object({ max_completion_tokens: z.number().nullish() }).optional(),
+	supported_parameters: z.array(z.string()).optional(),
 })
 
 export type OpenRouterModel = z.infer<typeof openRouterModelSchema>
@@ -72,6 +74,7 @@ const openRouterModelEndpointsResponseSchema = z.object({
 		name: z.string(),
 		description: z.string().optional(),
 		architecture: openRouterArchitectureSchema.optional(),
+		supported_parameters: z.array(z.string()).optional(),
 		endpoints: z.array(openRouterModelEndpointSchema),
 	}),
 })
@@ -96,13 +99,14 @@ export async function getOpenRouterModels(options?: ApiHandlerOptions): Promise<
 		}
 
 		for (const model of data) {
-			const { id, architecture, top_provider } = model
+			const { id, architecture, top_provider, supported_parameters = [] } = model
 
 			models[id] = parseOpenRouterModel({
 				id,
 				model,
 				modality: architecture?.modality,
 				maxTokens: id.startsWith("anthropic/") ? top_provider?.max_completion_tokens : 0,
+				supportedParameters: supported_parameters,
 			})
 		}
 	} catch (error) {
@@ -162,11 +166,13 @@ export const parseOpenRouterModel = ({
 	model,
 	modality,
 	maxTokens,
+	supportedParameters,
 }: {
 	id: string
 	model: OpenRouterBaseModel
 	modality: string | null | undefined
 	maxTokens: number | null | undefined
+	supportedParameters?: string[]
 }): ModelInfo => {
 	const cacheWritesPrice = model.pricing?.input_cache_write
 		? parseApiPrice(model.pricing?.input_cache_write)
@@ -187,6 +193,7 @@ export const parseOpenRouterModel = ({
 		cacheReadsPrice,
 		description: model.description,
 		thinking: id === "anthropic/claude-3.7-sonnet:thinking",
+		supportedParameters: supportedParameters ? supportedParameters.filter(isModelParameter) : undefined,
 	}
 
 	// The OpenRouter model definition doesn't give us any hints about

src/api/providers/fetchers/openrouter.ts

@@ -275,6 +275,7 @@ type ProviderSettings = {
 				cacheWritesPrice?: number | undefined
 				cacheReadsPrice?: number | undefined
 				description?: string | undefined
+				supportedParameters?: ("max_tokens" | "temperature" | "reasoning" | "include_reasoning")[] | undefined
 				reasoningEffort?: ("low" | "medium" | "high") | undefined
 				thinking?: boolean | undefined
 				minTokensPerCachePoint?: number | undefined
@@ -678,6 +679,9 @@ type IpcMessage =
 											cacheWritesPrice?: number | undefined
 											cacheReadsPrice?: number | undefined
 											description?: string | undefined
+											supportedParameters?:
+												| ("max_tokens" | "temperature" | "reasoning" | "include_reasoning")[]
+												| undefined
 											reasoningEffort?: ("low" | "medium" | "high") | undefined
 											thinking?: boolean | undefined
 											minTokensPerCachePoint?: number | undefined
@@ -1153,6 +1157,9 @@ type TaskCommand =
 								cacheWritesPrice?: number | undefined
 								cacheReadsPrice?: number | undefined
 								description?: string | undefined
+								supportedParameters?:
+									| ("max_tokens" | "temperature" | "reasoning" | "include_reasoning")[]
+									| undefined
 								reasoningEffort?: ("low" | "medium" | "high") | undefined
 								thinking?: boolean | undefined
 								minTokensPerCachePoint?: number | undefined

src/exports/roo-code.d.ts

@@ -279,6 +279,7 @@ type ProviderSettings = {
 				cacheWritesPrice?: number | undefined
 				cacheReadsPrice?: number | undefined
 				description?: string | undefined
+				supportedParameters?: ("max_tokens" | "temperature" | "reasoning" | "include_reasoning")[] | undefined
 				reasoningEffort?: ("low" | "medium" | "high") | undefined
 				thinking?: boolean | undefined
 				minTokensPerCachePoint?: number | undefined
@@ -692,6 +693,9 @@ type IpcMessage =
 											cacheWritesPrice?: number | undefined
 											cacheReadsPrice?: number | undefined
 											description?: string | undefined
+											supportedParameters?:
+												| ("max_tokens" | "temperature" | "reasoning" | "include_reasoning")[]
+												| undefined
 											reasoningEffort?: ("low" | "medium" | "high") | undefined
 											thinking?: boolean | undefined
 											minTokensPerCachePoint?: number | undefined
@@ -1169,6 +1173,9 @@ type TaskCommand =
 								cacheWritesPrice?: number | undefined
 								cacheReadsPrice?: number | undefined
 								description?: string | undefined
+								supportedParameters?:
+									| ("max_tokens" | "temperature" | "reasoning" | "include_reasoning")[]
+									| undefined
 								reasoningEffort?: ("low" | "medium" | "high") | undefined
 								thinking?: boolean | undefined
 								minTokensPerCachePoint?: number | undefined

src/exports/types.ts

@@ -171,6 +171,19 @@ export const reasoningEffortsSchema = z.enum(reasoningEfforts)
 
 export type ReasoningEffort = z.infer<typeof reasoningEffortsSchema>
 
+/**
+ * ModelParameter
+ */
+
+export const modelParameters = ["max_tokens", "temperature", "reasoning", "include_reasoning"] as const
+
+export const modelParametersSchema = z.enum(modelParameters)
+
+export type ModelParameter = z.infer<typeof modelParametersSchema>
+
+export const isModelParameter = (value: string): value is ModelParameter =>
+	modelParameters.includes(value as ModelParameter)
+
 /**
  * ModelInfo
  */
@@ -187,6 +200,7 @@ export const modelInfoSchema = z.object({
 	cacheWritesPrice: z.number().optional(),
 	cacheReadsPrice: z.number().optional(),
 	description: z.string().optional(),
+	supportedParameters: z.array(modelParametersSchema).optional(),
 	reasoningEffort: reasoningEffortsSchema.optional(),
 	thinking: z.boolean().optional(),
 	minTokensPerCachePoint: z.number().optional(),

src/schemas/index.ts

@@ -1921,10 +1921,8 @@ export const PROMPT_CACHING_MODELS = new Set([
 	"anthropic/claude-3.7-sonnet",
 	"anthropic/claude-3.7-sonnet:beta",
 	"anthropic/claude-3.7-sonnet:thinking",
-	"anthropic/claude-sonnet-4-20250514",
-	"anthropic/claude-sonnet-4-20250514:thinking",
-	"anthropic/claude-opus-4-20250514",
-	"anthropic/claude-opus-4-20250514:thinking",
+	"anthropic/claude-sonnet-4",
+	"anthropic/claude-opus-4",
 	"google/gemini-2.5-pro-preview",
 	"google/gemini-2.5-flash-preview",
 	"google/gemini-2.5-flash-preview:thinking",