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feat(ai,coding-agent): add OpenCode Go provider support closes #1757

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This commit is contained in:
Mario Zechner 2026-03-03 16:02:29 +01:00
parent 1912f0336b
commit 42579dd923
11 changed files with 107 additions and 22 deletions
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35
packages/ai/scripts/generate-models.ts
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@ -460,14 +460,21 @@ async function loadModelsDevData(): Promise<Model<any>[]> {
}
}
// Process OpenCode Zen models
// Process OpenCode models (Zen and Go)
// API mapping based on provider.npm field:
// - @ai-sdk/openai → openai-responses
// - @ai-sdk/anthropic → anthropic-messages
// - @ai-sdk/google → google-generative-ai
// - null/undefined/@ai-sdk/openai-compatible → openai-completions
if (data.opencode?.models) {
for (const [modelId, model] of Object.entries(data.opencode.models)) {
const opencodeVariants = [
{ key: "opencode", provider: "opencode", basePath: "https://opencode.ai/zen" },
{ key: "opencode-go", provider: "opencode-go", basePath: "https://opencode.ai/zen/go" },
] as const;
for (const variant of opencodeVariants) {
if (!data[variant.key]?.models) continue;
for (const [modelId, model] of Object.entries(data[variant.key].models)) {
const m = model as ModelsDevModel & { status?: string };
if (m.tool_call !== true) continue;
if (m.status === "deprecated") continue;
@ -478,25 +485,25 @@ async function loadModelsDevData(): Promise<Model<any>[]> {
if (npm === "@ai-sdk/openai") {
api = "openai-responses";
baseUrl = "https://opencode.ai/zen/v1";
baseUrl = `${variant.basePath}/v1`;
} else if (npm === "@ai-sdk/anthropic") {
api = "anthropic-messages";
// Anthropic SDK appends /v1/messages to baseURL
baseUrl = "https://opencode.ai/zen";
baseUrl = variant.basePath;
} else if (npm === "@ai-sdk/google") {
api = "google-generative-ai";
baseUrl = "https://opencode.ai/zen/v1";
baseUrl = `${variant.basePath}/v1`;
} else {
// null, undefined, or @ai-sdk/openai-compatible
api = "openai-completions";
baseUrl = "https://opencode.ai/zen/v1";
baseUrl = `${variant.basePath}/v1`;
}
models.push({
id: modelId,
name: m.name || modelId,
api,
provider: "opencode",
provider: variant.provider,
baseUrl,
reasoning: m.reasoning === true,
input: m.modalities?.input?.includes("image") ? ["text", "image"] : ["text"],
@ -657,11 +664,17 @@ async function generateModels() {
candidate.cost.cacheWrite = 6.25;
candidate.contextWindow = 200000;
}
if ((candidate.provider === "anthropic" || candidate.provider === "opencode") && candidate.id === "claude-opus-4-6") {
if (
(candidate.provider === "anthropic" || candidate.provider === "opencode" || candidate.provider === "opencode-go") &&
candidate.id === "claude-opus-4-6"
) {
candidate.contextWindow = 200000;
}
// opencode lists Claude Sonnet 4/4.5 with 1M context, actual limit is 200K
if (candidate.provider === "opencode" && (candidate.id === "claude-sonnet-4-5" || candidate.id === "claude-sonnet-4")) {
// OpenCode variants list Claude Sonnet 4/4.5 with 1M context, actual limit is 200K
if (
(candidate.provider === "opencode" || candidate.provider === "opencode-go") &&
(candidate.id === "claude-sonnet-4-5" || candidate.id === "claude-sonnet-4")
) {
candidate.contextWindow = 200000;
}
}