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Refresh model registry routing #1

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Merged
austin-thesing merged 1 commit into from
Jun 16, 2026
Merged

Refresh model registry routing #1

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25 changes: 6 additions & 19 deletions src/lib/api.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -5,31 +5,18 @@ import { createOpenAICompatible } from "@ai-sdk/openai-compatible";
import { generateText, type LanguageModel } from "ai";
import type { ProviderOptions } from "@ai-sdk/provider-utils";

import type { CommandHistory, Model, Config, CustomModel, Provider, ThinkingLevel } from "./types";
import type { CommandHistory, Model, Config, CustomModel, Provider, ThinkingLevel, ZenApiType } from "./types";
import { isCustomModel } from "./types";
import { loadConfig } from "./config";
import { detectShell, getShellSyntaxHints, getPlatformPaths, type ShellInfo } from "./shell";
import { detectRepoContext, formatRepoContext } from "./repo-context";

// Determine API type based on model ID for Zen
// Reference: https://opencode.ai/docs/zen/
type ZenApiType = "openai-responses" | "anthropic" | "openai-compatible" | "google";

function getZenApiType(modelId: string): ZenApiType {
// OpenAI Responses API models (GPT models)
if (modelId.startsWith("gpt-")) {
return "openai-responses";
}
// Anthropic models use the Messages API
if (modelId.startsWith("claude-")) {
return "anthropic";
}
// Google models
if (modelId.startsWith("gemini-")) {
return "google";
function getZenApiType(model: Model): ZenApiType {
if (!model.zenApiType) {
throw new Error(`OpenCode Zen model ${model.id} is missing API routing metadata.`);
}
// OpenAI-compatible (Kimi, DeepSeek, GLM, Grok, etc.)
return "openai-compatible";
return model.zenApiType;
}

const ZEN_BASE_URL = "https://opencode.ai/zen/v1";
Expand Down Expand Up @@ -571,7 +558,7 @@ export async function translateToCommand(apiKey: string, model: Model | CustomMo
rawCommand = await callGatewayProvider(model.provider, apiKey, model.id, systemPrompt, userInput, thinkingLevel);
} else {
// OpenCode Zen - determine API type
const apiType = getZenApiType(model.id);
const apiType = getZenApiType(model);
switch (apiType) {
case "openai-responses":
rawCommand = await callZenOpenAIResponses(apiKey, model.id, systemPrompt, userInput, thinkingLevel);
Expand Down
2 changes: 1 addition & 1 deletion src/lib/config.ts
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Expand Up @@ -24,7 +24,7 @@ const DEFAULT_CONFIG: Config = {
workersAiApiKey: "", // Only used as fallback if keychain unavailable
cloudflareAccountId: "",
cloudflareAiGatewayId: "default",
defaultModel: "minimax-m2.5-free", // Current free OpenCode Zen model
defaultModel: "deepseek-v4-flash-free", // Current free OpenCode Zen model
thinkingLevel: "low",
safetyLevel: "moderate",
dryRunByDefault: false,
Expand Down
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