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feat: prepend openrouter model fallbacks #3709

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feat: prepend openrouter model fallbacks #3709

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216 changes: 216 additions & 0 deletions src/shared/model-requirements.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@ export type ModelRequirement = {
export const AGENT_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
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@cubic-dev-ai cubic-dev-ai Bot Apr 28, 2026 •
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P2: Duplicate requirement keys silently overwrite earlier fallbackChain blocks, leaving dead config and making the effective model selection order depend on the last duplicate.

Prompt for AI agents 
Check if this issue is valid — if so, understand the root cause and fix it. At src/shared/model-requirements.ts, line 123:

<comment>Duplicate requirement keys silently overwrite earlier fallbackChain blocks, leaving dead config and making the effective model selection order depend on the last duplicate.</comment>

<file context>
@@ -74,9 +96,33 @@ export const AGENT_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
+      { providers: ["openai", "opencode", "vercel"], model: "gpt-5.4-nano" },
+    ],
+  },
+  explore: {
+    fallbackChain: [
+      { providers: ["openrouter"], model: "qwen/qwen3.6-flash" },
</file context>
Fix with Cubic

sisyphus: {
fallbackChain: [
{ providers: ["openrouter"], model: "deepseek/deepseek-v4-pro", variant: "max" },
{
providers: ["anthropic", "github-copilot", "opencode", "vercel"],
model: "claude-opus-4-7",
Expand All @@ -44,6 +45,26 @@ export const AGENT_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
{ providers: ["opencode"], model: "big-pickle" },
],
requiresAnyModel: true,
},
{ providers: ["opencode-go", "vercel"], model: "kimi-k2.5" },
{ providers: ["kimi-for-coding"], model: "k2p5" },
{
providers: [
"opencode",
"moonshotai",
"moonshotai-cn",
"firmware",
"ollama-cloud",
"aihubmix",
"vercel",
],
model: "kimi-k2.5",
},
{ providers: ["openai", "github-copilot", "opencode", "vercel"], model: "gpt-5.5", variant: "medium" },
{ providers: ["zai-coding-plan", "opencode", "vercel"], model: "glm-5" },
{ providers: ["opencode"], model: "big-pickle" },
],
requiresAnyModel: true,
},
hephaestus: {
fallbackChain: [
Expand All @@ -57,6 +78,7 @@ export const AGENT_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
},
oracle: {
fallbackChain: [
{ providers: ["openrouter"], model: "moonshotai/kimi-k2.6" },
{
providers: ["openai", "github-copilot", "opencode", "vercel"],
model: "gpt-5.5",
Expand All @@ -74,9 +96,33 @@ export const AGENT_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
},
{ providers: ["opencode-go", "vercel"], model: "glm-5" },
],
},
{
providers: ["google", "github-copilot", "opencode", "vercel"],
model: "gemini-3.1-pro",
variant: "high",
},
{
providers: ["anthropic", "github-copilot", "opencode", "vercel"],
model: "claude-opus-4-7",
variant: "max",
},
{ providers: ["opencode-go", "vercel"], model: "glm-5" },
],
},
librarian: {
fallbackChain: [
{ providers: ["openrouter"], model: "qwen/qwen3.6-flash" },
{ providers: ["openai"], model: "gpt-5.4-mini-fast" },
{ providers: ["opencode-go", "vercel"], model: "minimax-m2.7-highspeed" },
{ providers: ["opencode-go", "vercel"], model: "minimax-m2.7" },
{ providers: ["anthropic", "opencode", "vercel"], model: "claude-haiku-4-5" },
{ providers: ["openai", "opencode", "vercel"], model: "gpt-5.4-nano" },
],
},
explore: {
fallbackChain: [
{ providers: ["openrouter"], model: "qwen/qwen3.6-flash" },
{ providers: ["openai"], model: "gpt-5.4-mini-fast" },
{ providers: ["opencode-go", "vercel"], model: "minimax-m2.7-highspeed" },
{ providers: ["opencode-go", "vercel"], model: "minimax-m2.7" },
Expand All @@ -86,6 +132,7 @@ export const AGENT_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
},
explore: {
fallbackChain: [
{ providers: ["openrouter"], model: "qwen/qwen3.6-flash" },
{ providers: ["openai"], model: "gpt-5.4-mini-fast" },
{ providers: ["opencode-go", "vercel"], model: "minimax-m2.7-highspeed" },
{ providers: ["opencode-go", "vercel"], model: "minimax-m2.7" },
Expand All @@ -95,6 +142,7 @@ export const AGENT_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
},
"multimodal-looker": {
fallbackChain: [
{ providers: ["openrouter"], model: "~google/gemini-flash-latest" },
{ providers: ["openai", "opencode", "vercel"], model: "gpt-5.5", variant: "medium" },
{ providers: ["opencode-go", "vercel"], model: "kimi-k2.5" },
{ providers: ["zai-coding-plan", "vercel"], model: "glm-4.6v" },
Expand All @@ -103,11 +151,75 @@ export const AGENT_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
},
prometheus: {
fallbackChain: [
{ providers: ["openrouter"], model: "deepseek/deepseek-v4-pro", variant: "max" },
{
providers: ["anthropic", "github-copilot", "opencode", "vercel"],
model: "claude-opus-4-7",
variant: "max",
},
{
providers: ["openai", "github-copilot", "opencode", "vercel"],
model: "gpt-5.5",
variant: "high",
},
{ providers: ["opencode-go", "vercel"], model: "glm-5" },
{
providers: ["google", "github-copilot", "opencode", "vercel"],
model: "gemini-3.1-pro",
},
],
},
metis: {
fallbackChain: [
{ providers: ["openrouter"], model: "deepseek/deepseek-v4-pro", variant: "max" },
{
providers: ["anthropic", "github-copilot", "opencode", "vercel"],
model: "claude-opus-4-7",
variant: "max",
},
{
providers: ["openai", "github-copilot", "opencode", "vercel"],
model: "gpt-5.5",
variant: "high",
},
{ providers: ["opencode-go", "vercel"], model: "glm-5" },
{ providers: ["kimi-for-coding"], model: "k2p5" },
],
},
momus: {
fallbackChain: [
{ providers: ["openrouter"], model: "deepseek/deepseek-v4-pro", reasoningEffort: "xhigh" },
{
providers: ["openai", "github-copilot", "opencode", "vercel"],
model: "gpt-5.5",
variant: "xhigh",
},
{
providers: ["anthropic", "github-copilot", "opencode", "vercel"],
model: "claude-opus-4-7",
variant: "max",
},
{
providers: ["google", "github-copilot", "opencode", "vercel"],
model: "gemini-3.1-pro",
variant: "high",
},
{ providers: ["opencode-go", "vercel"], model: "glm-5" },
],
},
atlas: {
fallbackChain: [
{ providers: ["openrouter"], model: "xiaomi/mimo-v2.5-pro" },
{ providers: ["anthropic", "github-copilot", "opencode", "vercel"], model: "claude-sonnet-4-6" },
{ providers: ["opencode-go", "vercel"], model: "kimi-k2.5" },
{
providers: ["openai", "github-copilot", "opencode", "vercel"],
model: "gpt-5.5",
variant: "medium",
},
{ providers: ["opencode-go", "vercel"], model: "minimax-m2.7" },
],
},
{
providers: ["openai", "github-copilot", "opencode", "vercel"],
model: "gpt-5.5",
Expand All @@ -122,6 +234,7 @@ export const AGENT_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
},
metis: {
fallbackChain: [
{ providers: ["openrouter"], model: "deepseek/deepseek-v4-pro", variant: "max" },
{
providers: ["anthropic", "github-copilot", "opencode", "vercel"],
model: "claude-opus-4-7",
Expand All @@ -138,6 +251,7 @@ export const AGENT_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
},
momus: {
fallbackChain: [
{ providers: ["openrouter"], model: "deepseek/deepseek-v4-pro", reasoningEffort: "xhigh" },
{
providers: ["openai", "github-copilot", "opencode", "vercel"],
model: "gpt-5.5",
Expand All @@ -158,6 +272,7 @@ export const AGENT_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
},
atlas: {
fallbackChain: [
{ providers: ["openrouter"], model: "xiaomi/mimo-v2.5-pro" },
{ providers: ["anthropic", "github-copilot", "opencode", "vercel"], model: "claude-sonnet-4-6" },
{ providers: ["opencode-go", "vercel"], model: "kimi-k2.5" },
{
Expand Down Expand Up @@ -186,6 +301,7 @@ export const AGENT_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
export const CATEGORY_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
"visual-engineering": {
fallbackChain: [
{ providers: ["openrouter"], model: "~google/gemini-pro-latest" },
{
providers: ["google", "github-copilot", "opencode", "vercel"],
model: "gemini-3.1-pro",
Expand All @@ -203,6 +319,7 @@ export const CATEGORY_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
},
ultrabrain: {
fallbackChain: [
{ providers: ["openrouter"], model: "openai/gpt-5.5", reasoningEffort: "xhigh" },
{
providers: ["openai", "opencode", "vercel"],
model: "gpt-5.5",
Expand Down Expand Up @@ -242,6 +359,7 @@ export const CATEGORY_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
},
artistry: {
fallbackChain: [
{ providers: ["openrouter"], model: "google/gemini-3.1-pro-preview" },
{
providers: ["google", "github-copilot", "opencode", "vercel"],
model: "gemini-3.1-pro",
Expand All @@ -258,6 +376,101 @@ export const CATEGORY_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
},
quick: {
fallbackChain: [
{ providers: ["openrouter"], model: "qwen/qwen3.6-27b" },
{
providers: ["openai", "github-copilot", "opencode", "vercel"],
model: "gpt-5.4-mini",
},
{
providers: ["anthropic", "github-copilot", "opencode", "vercel"],
model: "claude-haiku-4-5",
},
{
providers: ["google", "github-copilot", "opencode", "vercel"],
model: "gemini-3-flash",
},
{ providers: ["opencode-go", "vercel"], model: "minimax-m2.7" },
{ providers: ["opencode", "vercel"], model: "gpt-5-nano" },
],
},
"unspecified-low": {
fallbackChain: [
{ providers: ["openrouter"], model: "qwen/qwen3.6-27b" },
{
providers: ["anthropic", "github-copilot", "opencode", "vercel"],
model: "claude-sonnet-4-6",
},
{
providers: ["openai", "opencode", "vercel"],
model: "gpt-5.3-codex",
variant: "medium",
},
{ providers: ["opencode-go", "vercel"], model: "kimi-k2.5" },
{
providers: ["google", "github-copilot", "opencode", "vercel"],
model: "gemini-3-flash",
},
{ providers: ["opencode-go", "vercel"], model: "minimax-m2.7" },
],
},
"unspecified-high": {
fallbackChain: [
{ providers: ["openrouter"], model: "qwen/qwen3.6-plus" },
{
providers: ["anthropic", "github-copilot", "opencode", "vercel"],
model: "claude-opus-4-7",
variant: "max",
},
{
providers: ["openai", "github-copilot", "opencode", "vercel"],
model: "gpt-5.5",
variant: "high",
},
{ providers: ["zai-coding-plan", "opencode", "vercel"], model: "glm-5" },
{ providers: ["kimi-for-coding"], model: "k2p5" },
{ providers: ["opencode-go", "vercel"], model: "glm-5" },
{ providers: ["opencode", "vercel"], model: "kimi-k2.5" },
{
providers: [
"opencode",
"moonshotai",
"moonshotai-cn",
"firmware",
"ollama-cloud",
"aihubmix",
"vercel",
],
model: "kimi-k2.5",
},
],
},
writing: {
fallbackChain: [
{ providers: ["openrouter"], model: "~google/gemini-pro-latest" },
{
providers: ["google", "github-copilot", "opencode", "vercel"],
model: "gemini-3-flash",
},
{ providers: ["opencode-go", "vercel"], model: "kimi-k2.5" },
{
providers: ["anthropic", "github-copilot", "opencode", "vercel"],
model: "claude-sonnet-4-6",
},
{ providers: ["opencode-go", "vercel"], model: "minimax-m2.7" },
],
},
{
providers: ["anthropic", "github-copilot", "opencode", "vercel"],
model: "claude-opus-4-7",
variant: "max",
},
{ providers: ["openai", "github-copilot", "opencode", "vercel"], model: "gpt-5.5" },
],
requiresModel: "gemini-3.1-pro",
},
quick: {
fallbackChain: [
{ providers: ["openrouter"], model: "qwen/qwen3.6-27b" },
{
providers: ["openai", "github-copilot", "opencode", "vercel"],
model: "gpt-5.4-mini",
Expand All @@ -276,6 +489,7 @@ export const CATEGORY_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
},
"unspecified-low": {
fallbackChain: [
{ providers: ["openrouter"], model: "qwen/qwen3.6-27b" },
{
providers: ["anthropic", "github-copilot", "opencode", "vercel"],
model: "claude-sonnet-4-6",
Expand All @@ -295,6 +509,7 @@ export const CATEGORY_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
},
"unspecified-high": {
fallbackChain: [
{ providers: ["openrouter"], model: "qwen/qwen3.6-plus" },
{
providers: ["anthropic", "github-copilot", "opencode", "vercel"],
model: "claude-opus-4-7",
Expand Down Expand Up @@ -325,6 +540,7 @@ export const CATEGORY_MODEL_REQUIREMENTS: Record<string, ModelRequirement> = {
},
writing: {
fallbackChain: [
{ providers: ["openrouter"], model: "~google/gemini-pro-latest" },
{
providers: ["google", "github-copilot", "opencode", "vercel"],
model: "gemini-3-flash",
Expand Down
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