feat(opencode-go): route by request format via transports + per-model guard
opencode-go hard-coded targetFormat: claude per model, so every client format was force-routed to /messages (Codex/OpenAI clients paid a lossy Responses->OpenAI->Claude double translation). Declare the existing upstream multi-endpoint transports [openai, claude, openai-responses] and guard per model via registry supportedFormats: kimi/glm/mimo only support /chat/completions, minimax/qwen add /messages, deepseek adds /responses. Undeclared models keep the upstream default. Drop the bespoke OpenCodeGoExecutor (its shared _lastModel cache could cross auth headers between concurrent requests); DefaultExecutor already consumes runtimeTransport and injects reasoning content.
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KiMelody
@@ -2,7 +2,7 @@ import { PROVIDERS } from "./providers.js";
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import REGISTRY from "../providers/registry/index.js";
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// PROVIDER_MODELS now built from providers/registry (transport + models co-located)
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import { PROVIDER_MODELS } from "../providers/index.js";
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import { modelQuotaFamily, modelStrip, modelTargetFormat, normalizeModelId } from "../providers/models/schema.js";
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import { modelQuotaFamily, modelStrip, modelTargetFormat, modelSupportedFormats, normalizeModelId } from "../providers/models/schema.js";
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import { CODEX_REVIEW_SUFFIX } from "../providers/models/helpers.js";
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export { PROVIDER_MODELS };
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@@ -54,6 +54,14 @@ export function getModelTargetFormat(aliasOrId, modelId) {
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return modelTargetFormat(findModel(models, modelId, aliasOrId));
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}
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// Declared upstream formats for a model (registry `supportedFormats`). Drives the
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// per-model guard on the sourceFormat-matched transport; null when undeclared.
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export function getModelSupportedFormats(aliasOrId, modelId) {
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const models = PROVIDER_MODELS[aliasOrId];
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if (!models) return null;
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return modelSupportedFormats(findModel(models, modelId, aliasOrId));
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}
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export function getModelType(aliasOrId, modelId) {
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const models = PROVIDER_MODELS[aliasOrId];
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if (!models) return null;
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@@ -10,7 +10,6 @@ import { CodexExecutor } from "./codex.js";
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import { CursorExecutor } from "./cursor.js";
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import { VertexExecutor } from "./vertex.js";
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import { OpenCodeExecutor } from "./opencode.js";
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import { OpenCodeGoExecutor } from "./opencode-go.js";
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import { GrokWebExecutor } from "./grok-web.js";
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import { GrokCliExecutor } from "./grok-cli.js";
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import { PerplexityWebExecutor } from "./perplexity-web.js";
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@@ -41,7 +40,6 @@ const executors = {
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vertex: new VertexExecutor("vertex"),
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"vertex-partner": new VertexExecutor("vertex-partner"),
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opencode: new OpenCodeExecutor(),
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"opencode-go": new OpenCodeGoExecutor(),
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"grok-web": new GrokWebExecutor(),
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"grok-cli": new GrokCliExecutor(),
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gcli: new GrokCliExecutor(), // Alias
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@@ -86,7 +84,6 @@ export { CursorExecutor } from "./cursor.js";
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export { VertexExecutor } from "./vertex.js";
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export { DefaultExecutor } from "./default.js";
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export { OpenCodeExecutor } from "./opencode.js";
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export { OpenCodeGoExecutor } from "./opencode-go.js";
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export { GrokWebExecutor } from "./grok-web.js";
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export { GrokCliExecutor } from "./grok-cli.js";
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export { PerplexityWebExecutor } from "./perplexity-web.js";
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@@ -1,49 +0,0 @@
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import { BaseExecutor } from "./base.js";
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import { PROVIDERS } from "../config/providers.js";
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import { injectReasoningContent } from "../utils/reasoningContentInjector.js";
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import { ANTHROPIC_API_VERSION } from "../providers/shared.js";
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// Models that use /zen/go/v1/messages (Anthropic/Claude format + x-api-key auth)
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const MESSAGES_FORMAT_MODELS = new Set([
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"minimax-m3",
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"minimax-m2.7",
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"minimax-m2.5",
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"qwen3.7-max",
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"qwen3.7-plus",
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"qwen3.6-plus",
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]);
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const BASE = "https://opencode.ai/zen/go/v1";
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export class OpenCodeGoExecutor extends BaseExecutor {
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constructor() {
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super("opencode-go", PROVIDERS["opencode-go"]);
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}
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// buildUrl runs before buildHeaders in BaseExecutor.execute, cache model here
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buildUrl(model) {
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this._lastModel = model;
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return MESSAGES_FORMAT_MODELS.has(model)
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? `${BASE}/messages`
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: `${BASE}/chat/completions`;
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}
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buildHeaders(credentials, stream = true) {
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const key = credentials?.apiKey || credentials?.accessToken;
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const headers = { "Content-Type": "application/json" };
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if (MESSAGES_FORMAT_MODELS.has(this._lastModel)) {
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headers["x-api-key"] = key;
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headers["anthropic-version"] = ANTHROPIC_API_VERSION;
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} else {
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headers["Authorization"] = `Bearer ${key}`;
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}
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if (stream) headers["Accept"] = "text/event-stream";
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return headers;
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}
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transformRequest(model, body) {
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return injectReasoningContent({ provider: this.provider, model, body });
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}
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}
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@@ -6,7 +6,7 @@ import { normalizeClaudePassthrough, anchorClaudeCache } from "../translator/for
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import { createStreamController } from "../utils/streamHandler.js";
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import { refreshWithRetry } from "../services/tokenRefresh.js";
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import { createRequestLogger } from "../utils/requestLogger.js";
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import { getModelTargetFormat, getModelStrip, getModelUpstreamId, getModelType, PROVIDER_ID_TO_ALIAS } from "../config/providerModels.js";
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import { getModelTargetFormat, getModelSupportedFormats, getModelStrip, getModelUpstreamId, getModelType, PROVIDER_ID_TO_ALIAS } from "../config/providerModels.js";
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import { PROVIDERS } from "../config/providers.js";
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import { createErrorResult, parseUpstreamError, formatProviderError } from "../utils/error.js";
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import { HTTP_STATUS, TOKEN_SAVER_HEADER } from "../config/runtimeConfig.js";
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@@ -78,10 +78,20 @@ export async function handleChatCore({ body, modelInfo, credentials, log, onCred
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const alias = PROVIDER_ID_TO_ALIAS[provider] || provider;
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const modelTargetFormat = getModelTargetFormat(alias, model);
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// Multi-endpoint providers: pick transport matching sourceFormat → zero translation
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// Multi-endpoint providers: pick transport matching sourceFormat → zero translation.
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// Per-model guard: only use the transport when the model declares support for that
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// sourceFormat — opencode-go models differ in endpoint support (kimi/glm only do
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// /chat/completions), so without this guard a claude-format request would wrongly
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// route kimi to /messages.
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const modelSupportedFormats = getModelSupportedFormats(alias, model);
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const runtimeTransport = resolveTransport(provider, sourceFormat);
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const targetFormat = modelTargetFormat || runtimeTransport?.format || getTargetFormat(provider, credentials);
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if (runtimeTransport && credentials) credentials.runtimeTransport = runtimeTransport;
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// Per-model guard: when a model declares supportedFormats, only use the
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// sourceFormat-matched transport if that format is declared (opencode-go models
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// differ — kimi/glm only do /chat/completions). Undeclared models keep the
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// upstream default (use the transport), preserving behavior for glm/deepseek/...
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const useTransport = (!modelSupportedFormats || modelSupportedFormats.includes(sourceFormat)) ? runtimeTransport : null;
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const targetFormat = modelTargetFormat || useTransport?.format || getTargetFormat(provider, credentials);
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if (useTransport && credentials) credentials.runtimeTransport = useTransport;
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const stripList = getModelStrip(alias, model);
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const upstreamModel = getModelUpstreamId(alias, model);
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@@ -38,3 +38,11 @@ export function modelStrip(model) {
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export function modelTargetFormat(model) {
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return model?.targetFormat || MODEL_DEFAULTS.targetFormat;
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}
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// Per-model declared upstream formats (e.g. ["openai", "claude"]). Guards the
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// sourceFormat-matched transport for multi-endpoint providers whose models differ
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// in endpoint support (opencode-go: kimi/glm only do /chat/completions, minimax/qwen
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// also do /messages, deepseek also does /responses).
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export function modelSupportedFormats(model) {
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return model?.supportedFormats || null;
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}
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@@ -22,20 +22,28 @@ export default {
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baseUrl: "https://opencode.ai/zen/go/v1/chat/completions",
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headers: {},
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},
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// Multi-endpoint: pick the transport matching the client sourceFormat to skip
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// translation. Guarded per-model by `supportedFormats` (see chatCore) because
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// opencode-go models differ in endpoint support.
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transports: [
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{ format: "openai", baseUrl: "https://opencode.ai/zen/go/v1/chat/completions", auth: { combined: true, header: "Authorization", scheme: "bearer" } },
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{ format: "claude", baseUrl: "https://opencode.ai/zen/go/v1/messages", auth: { combined: true, header: "x-api-key", scheme: "raw", anthropicVersion: true } },
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{ format: "openai-responses", baseUrl: "https://opencode.ai/zen/go/v1/responses", auth: { combined: true, header: "Authorization", scheme: "bearer" } },
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],
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models: [
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{ id: "glm-5.2", name: "GLM 5.2" },
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{ id: "glm-5.1", name: "GLM 5.1" },
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{ id: "kimi-k2.7-code", name: "Kimi K2.7 Code" },
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{ id: "kimi-k2.6", name: "Kimi K2.6" },
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{ id: "deepseek-v4-pro", name: "DeepSeek V4 Pro" },
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{ id: "deepseek-v4-flash", name: "DeepSeek V4 Flash" },
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{ id: "mimo-v2.5", name: "MiMo V2.5" },
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{ id: "mimo-v2.5-pro", name: "MiMo V2.5 Pro" },
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{ id: "minimax-m3", name: "MiniMax M3", targetFormat: "claude" },
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{ id: "minimax-m2.7", name: "MiniMax M2.7", targetFormat: "claude" },
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{ id: "minimax-m2.5", name: "MiniMax M2.5", targetFormat: "claude" },
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{ id: "qwen3.7-max", name: "Qwen 3.7 Max", targetFormat: "claude" },
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{ id: "qwen3.7-plus", name: "Qwen 3.7 Plus", targetFormat: "claude" },
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{ id: "qwen3.6-plus", name: "Qwen 3.6 Plus", targetFormat: "claude" },
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{ id: "glm-5.2", name: "GLM 5.2", supportedFormats: ["openai"] },
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{ id: "glm-5.1", name: "GLM 5.1", supportedFormats: ["openai"] },
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{ id: "kimi-k2.7-code", name: "Kimi K2.7 Code", supportedFormats: ["openai"] },
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{ id: "kimi-k2.6", name: "Kimi K2.6", supportedFormats: ["openai"] },
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{ id: "deepseek-v4-pro", name: "DeepSeek V4 Pro", supportedFormats: ["openai", "claude", "openai-responses"] },
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{ id: "deepseek-v4-flash", name: "DeepSeek V4 Flash", supportedFormats: ["openai", "claude", "openai-responses"] },
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{ id: "mimo-v2.5", name: "MiMo V2.5", supportedFormats: ["openai"] },
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{ id: "mimo-v2.5-pro", name: "MiMo V2.5 Pro", supportedFormats: ["openai"] },
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{ id: "minimax-m3", name: "MiniMax M3", supportedFormats: ["openai", "claude"] },
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{ id: "minimax-m2.7", name: "MiniMax M2.7", supportedFormats: ["openai", "claude"] },
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{ id: "minimax-m2.5", name: "MiniMax M2.5", supportedFormats: ["openai", "claude"] },
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{ id: "qwen3.7-max", name: "Qwen 3.7 Max", supportedFormats: ["openai", "claude"] },
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{ id: "qwen3.7-plus", name: "Qwen 3.7 Plus", supportedFormats: ["openai", "claude"] },
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{ id: "qwen3.6-plus", name: "Qwen 3.6 Plus", supportedFormats: ["openai", "claude"] },
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],
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};
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